https://docs.telcobridges.com/w/index.php?action=history&feed=atom&title=ClassesClasses - Revision history2026-07-27T18:28:48ZRevision history for this page on the wikiMediaWiki 1.41.1https://docs.telcobridges.com/w/index.php?title=Classes&diff=31938&oldid=prevAllyntree at 14:33, 9 September 20222022-09-09T14:33:55Z<p></p>
<table style="background-color: #fff; color: #202122;" data-mw="interface">
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<td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">← Older revision</td>
<td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">Revision as of 10:33, 9 September 2022</td>
</tr><tr><td colspan="2" class="diff-lineno" id="mw-diff-left-l1">Line 1:</td>
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<tr><td class="diff-marker" data-marker="−"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div>In this <del style="font-weight: bold; text-decoration: none;">documentation</del>, a system programmer will see that multiple classes <del style="font-weight: bold; text-decoration: none;">exists </del>that <del style="font-weight: bold; text-decoration: none;">implements </del>one or many interfaces. A few <del style="font-weight: bold; text-decoration: none;">number </del>of these classes are designed to be base classes (i.e. cannot be instantiated and need to be inherited) while the vast majority are available to use directly <del style="font-weight: bold; text-decoration: none;">into </del>the application code. The Toolpack architecture allows a developer to use these classes and to modify their behavior in various ways.</div></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;">{{DISPLAYTITLE:Classes}}</ins></div></td></tr>
<tr><td colspan="2" class="diff-side-deleted"></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>In this <ins style="font-weight: bold; text-decoration: none;">article</ins>, a system programmer will see that multiple classes <ins style="font-weight: bold; text-decoration: none;">exist </ins>that <ins style="font-weight: bold; text-decoration: none;">implement </ins>one or many interfaces. A few of these classes are designed to be base classes (i.e. cannot be instantiated and need to be inherited)<ins style="font-weight: bold; text-decoration: none;">, </ins>while the vast majority are available to use directly <ins style="font-weight: bold; text-decoration: none;">in </ins>the application code. The Toolpack architecture allows a developer to use these classes and to modify their behavior in various ways.</div></td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br></td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br></td></tr>
<tr><td colspan="2" class="diff-lineno" id="mw-diff-left-l7">Line 7:</td>
<td colspan="2" class="diff-lineno">Line 8:</td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>Each of these methods has its pros and cons. Therefore, the application designer should carefully select which method applies best to each coding situation:</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>Each of these methods has its pros and cons. Therefore, the application designer should carefully select which method applies best to each coding situation:</div></td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br></td></tr>
<tr><td class="diff-marker" data-marker="−"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div>*Use the classes 'as-is' by instantiating them in the code (using ’new’) This method should be used if the class <del style="font-weight: bold; text-decoration: none;">meet </del>100% of the requirements in terms of interface (APIs to other component of the system) and behavior in the implementation. If <del style="font-weight: bold; text-decoration: none;">those </del>conditions are met, this is definitely the simplest way of coding fast and robust applications (i.e. code re-use).</div></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>*Use the classes 'as-is' by instantiating them in the code (using ’new’) This method should be used if the class <ins style="font-weight: bold; text-decoration: none;">meets </ins>100% of the requirements in terms of interface (APIs to other component of the system) and behavior in the implementation. If <ins style="font-weight: bold; text-decoration: none;">these </ins>conditions are met, this is definitely the simplest way of coding fast and robust applications (i.e. code re-use).</div></td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br></td></tr>
<tr><td class="diff-marker" data-marker="−"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div>*Derive from the classes to modify the implementation but still benefit from the class’ default implementation. This method should be used if the class interfaces meet the requirements and only a small set of behavior needs to be adjusted. To do so, the developer must be aware of the behavior of the underlying class to avoid usual coding problems (e.g. double free of some structures, etc). This method is typically fast to implement but can create many different classes if multiple inheritance is required. For example, ring-back-tone, follow-me and voicemail-fallback can be designed as derived <del style="font-weight: bold; text-decoration: none;">class</del>. However, if a system needs to handle cases where combinations of those <del style="font-weight: bold; text-decoration: none;">service </del>are to be used, this would lead to having a class for every combination.</div></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>*Derive from the classes to modify the implementation but still benefit from the class’ default implementation. This method should be used if the class interfaces meet the requirements and only a small set of behavior needs to be adjusted. To do so, the developer must be aware of the behavior of the underlying class to avoid <ins style="font-weight: bold; text-decoration: none;">the </ins>usual coding problems (e.g. double free of some structures, etc). This method is typically fast to implement but can create many different classes if multiple inheritance is required. For example, ring-back-tone, follow-me and voicemail-fallback can be designed as derived <ins style="font-weight: bold; text-decoration: none;">classes</ins>. However, if a system needs to handle cases where combinations of those <ins style="font-weight: bold; text-decoration: none;">services </ins>are to be used, this would lead to having a class for every combination.</div></td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br></td></tr>
<tr><td class="diff-marker" data-marker="−"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div>*Use the ’behavior’ concepts to modify the flow of the class by using it rather than inheriting from it (this only applies to some CAF classes). This method has the advantage of being easily <del style="font-weight: bold; text-decoration: none;">cascadeable </del>as long as the different behavior are not conflicting with each other. This is covered in more <del style="font-weight: bold; text-decoration: none;">details </del>in the section on [[Behaviors]].</div></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>*Use the ’behavior’ concepts to modify the flow of the class by using it rather than inheriting from it (this only applies to some CAF classes). This method has the advantage of being easily <ins style="font-weight: bold; text-decoration: none;">to cascade </ins>as long as the different behavior are not conflicting with each other. This is covered in more <ins style="font-weight: bold; text-decoration: none;">detail </ins>in the section on [[Behaviors]].</div></td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br></td></tr>
<tr><td class="diff-marker" data-marker="−"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div>*Recreate a new class from the start by inheriting from the same interfaces as the original class. <del style="font-weight: bold; text-decoration: none;">Sometime</del>, the default implementation of a class is too far away from what the system designer wants to achieve. In <del style="font-weight: bold; text-decoration: none;">these </del>situation, it is better to start a new class inheriting from the same interfaces as the studied class. <del style="font-weight: bold; text-decoration: none;">Anyhow, as </del>described in the previous section, as long as it derives from the proper interfaces, only minimal code change will be required in the system to use this new proprietary class (usually change the code line that does the ’new’).</div></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>*Recreate a new class from the start by inheriting from the same interfaces as the original class. <ins style="font-weight: bold; text-decoration: none;">Sometimes</ins>, the default implementation of a class is too far away from what the system designer wants to achieve. In <ins style="font-weight: bold; text-decoration: none;">this </ins>situation, it is better to start a new class<ins style="font-weight: bold; text-decoration: none;">, </ins>inheriting from the same interfaces as the studied class. <ins style="font-weight: bold; text-decoration: none;">As </ins>described in the previous section, as long as it derives from the proper interfaces, only minimal code change will be required in the system to use this new proprietary class (usually change the code line that does the ’new’).</div></td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br></td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br></td></tr>
</table>Allyntreehttps://docs.telcobridges.com/w/index.php?title=Classes&diff=860&oldid=prevKtrueman: added caveats2009-07-06T18:26:18Z<p>added caveats</p>
<table style="background-color: #fff; color: #202122;" data-mw="interface">
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<td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">← Older revision</td>
<td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">Revision as of 14:26, 6 July 2009</td>
</tr><tr><td colspan="2" class="diff-lineno" id="mw-diff-left-l15">Line 15:</td>
<td colspan="2" class="diff-lineno">Line 15:</td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>*Recreate a new class from the start by inheriting from the same interfaces as the original class. Sometime, the default implementation of a class is too far away from what the system designer wants to achieve. In these situation, it is better to start a new class inheriting from the same interfaces as the studied class. Anyhow, as described in the previous section, as long as it derives from the proper interfaces, only minimal code change will be required in the system to use this new proprietary class (usually change the code line that does the ’new’).</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>*Recreate a new class from the start by inheriting from the same interfaces as the original class. Sometime, the default implementation of a class is too far away from what the system designer wants to achieve. In these situation, it is better to start a new class inheriting from the same interfaces as the studied class. Anyhow, as described in the previous section, as long as it derives from the proper interfaces, only minimal code change will be required in the system to use this new proprietary class (usually change the code line that does the ’new’).</div></td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br></td></tr>
<tr><td colspan="2" class="diff-side-deleted"></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;"></ins></div></td></tr>
<tr><td colspan="2" class="diff-side-deleted"></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;">== Caveats ==</ins></div></td></tr>
<tr><td colspan="2" class="diff-side-deleted"></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;"></ins></div></td></tr>
<tr><td colspan="2" class="diff-side-deleted"></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;">None at this time.</ins></div></td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br></td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>----</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>----</div></td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br></td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>Return to the Toolpack [[User Guide]]</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>Return to the Toolpack [[User Guide]]</div></td></tr>
</table>Ktruemanhttps://docs.telcobridges.com/w/index.php?title=Classes&diff=167&oldid=prevKtrueman at 20:59, 7 May 20092009-05-07T20:59:34Z<p></p>
<table style="background-color: #fff; color: #202122;" data-mw="interface">
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<col class="diff-content" />
<col class="diff-marker" />
<col class="diff-content" />
<tr class="diff-title" lang="en">
<td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">← Older revision</td>
<td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">Revision as of 16:59, 7 May 2009</td>
</tr><tr><td colspan="2" class="diff-lineno" id="mw-diff-left-l11">Line 11:</td>
<td colspan="2" class="diff-lineno">Line 11:</td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>*Derive from the classes to modify the implementation but still benefit from the class’ default implementation. This method should be used if the class interfaces meet the requirements and only a small set of behavior needs to be adjusted. To do so, the developer must be aware of the behavior of the underlying class to avoid usual coding problems (e.g. double free of some structures, etc). This method is typically fast to implement but can create many different classes if multiple inheritance is required. For example, ring-back-tone, follow-me and voicemail-fallback can be designed as derived class. However, if a system needs to handle cases where combinations of those service are to be used, this would lead to having a class for every combination.</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>*Derive from the classes to modify the implementation but still benefit from the class’ default implementation. This method should be used if the class interfaces meet the requirements and only a small set of behavior needs to be adjusted. To do so, the developer must be aware of the behavior of the underlying class to avoid usual coding problems (e.g. double free of some structures, etc). This method is typically fast to implement but can create many different classes if multiple inheritance is required. For example, ring-back-tone, follow-me and voicemail-fallback can be designed as derived class. However, if a system needs to handle cases where combinations of those service are to be used, this would lead to having a class for every combination.</div></td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br></td></tr>
<tr><td class="diff-marker" data-marker="−"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div>*Use the ’behavior’ concepts to modify the flow of the class by using it rather than inheriting from it (this only applies to some CAF classes). This method has the advantage of being easily cascadeable as long as the different behavior are not conflicting with each other. This is covered in more details in the Behaviors <del style="font-weight: bold; text-decoration: none;">section</del>.</div></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>*Use the ’behavior’ concepts to modify the flow of the class by using it rather than inheriting from it (this only applies to some CAF classes). This method has the advantage of being easily cascadeable as long as the different behavior are not conflicting with each other. This is covered in more details in the <ins style="font-weight: bold; text-decoration: none;">section on [[</ins>Behaviors<ins style="font-weight: bold; text-decoration: none;">]]</ins>.</div></td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br></td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>*Recreate a new class from the start by inheriting from the same interfaces as the original class. Sometime, the default implementation of a class is too far away from what the system designer wants to achieve. In these situation, it is better to start a new class inheriting from the same interfaces as the studied class. Anyhow, as described in the previous section, as long as it derives from the proper interfaces, only minimal code change will be required in the system to use this new proprietary class (usually change the code line that does the ’new’).</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>*Recreate a new class from the start by inheriting from the same interfaces as the original class. Sometime, the default implementation of a class is too far away from what the system designer wants to achieve. In these situation, it is better to start a new class inheriting from the same interfaces as the studied class. Anyhow, as described in the previous section, as long as it derives from the proper interfaces, only minimal code change will be required in the system to use this new proprietary class (usually change the code line that does the ’new’).</div></td></tr>
</table>Ktruemanhttps://docs.telcobridges.com/w/index.php?title=Classes&diff=134&oldid=prevKtrueman at 20:16, 7 May 20092009-05-07T20:16:46Z<p></p>
<table style="background-color: #fff; color: #202122;" data-mw="interface">
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<col class="diff-content" />
<col class="diff-marker" />
<col class="diff-content" />
<tr class="diff-title" lang="en">
<td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">← Older revision</td>
<td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">Revision as of 16:16, 7 May 2009</td>
</tr><tr><td colspan="2" class="diff-lineno" id="mw-diff-left-l9">Line 9:</td>
<td colspan="2" class="diff-lineno">Line 9:</td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>*Use the classes 'as-is' by instantiating them in the code (using ’new’) This method should be used if the class meet 100% of the requirements in terms of interface (APIs to other component of the system) and behavior in the implementation. If those conditions are met, this is definitely the simplest way of coding fast and robust applications (i.e. code re-use).</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>*Use the classes 'as-is' by instantiating them in the code (using ’new’) This method should be used if the class meet 100% of the requirements in terms of interface (APIs to other component of the system) and behavior in the implementation. If those conditions are met, this is definitely the simplest way of coding fast and robust applications (i.e. code re-use).</div></td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br></td></tr>
<tr><td class="diff-marker" data-marker="−"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div>*Derive from the classes to modify the implementation but still benefit from the class’ default implementation. This method should be used if the class interfaces meet the requirements and only a small set of behavior needs to be adjusted. To do so, the developer must be aware of the behavior of the underlying class to avoid usual coding problems (e.g. double free of some structures, etc). This method is typically fast to implement but</div></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>*Derive from the classes to modify the implementation but still benefit from the class’ default implementation. This method should be used if the class interfaces meet the requirements and only a small set of behavior needs to be adjusted. To do so, the developer must be aware of the behavior of the underlying class to avoid usual coding problems (e.g. double free of some structures, etc). This method is typically fast to implement but can create many different classes if multiple inheritance is required. For example, ring-back-tone, follow-me and voicemail-fallback can be designed as derived class. However, if a system needs to handle cases where combinations of those service are to be used, this would lead to having a class for every combination.</div></td></tr>
<tr><td class="diff-marker" data-marker="−"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div>can create many different classes if multiple inheritance is required. For example, ring-back-tone, follow-me and voicemail-fallback can be designed as derived class. However, if a system needs to handle cases where combinations of those service are to be used, this would lead to having a class for every combination.</div></td><td colspan="2" class="diff-side-added"></td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br></td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>*Use the ’behavior’ concepts to modify the flow of the class by using it rather than inheriting from it (this only applies to some CAF classes). This method has the advantage of being easily cascadeable as long as the different behavior are not conflicting with each other. This is covered in more details in the Behaviors section.</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>*Use the ’behavior’ concepts to modify the flow of the class by using it rather than inheriting from it (this only applies to some CAF classes). This method has the advantage of being easily cascadeable as long as the different behavior are not conflicting with each other. This is covered in more details in the Behaviors section.</div></td></tr>
</table>Ktruemanhttps://docs.telcobridges.com/w/index.php?title=Classes&diff=133&oldid=prevKtrueman at 20:16, 7 May 20092009-05-07T20:16:33Z<p></p>
<table style="background-color: #fff; color: #202122;" data-mw="interface">
<col class="diff-marker" />
<col class="diff-content" />
<col class="diff-marker" />
<col class="diff-content" />
<tr class="diff-title" lang="en">
<td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">← Older revision</td>
<td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">Revision as of 16:16, 7 May 2009</td>
</tr><tr><td colspan="2" class="diff-lineno" id="mw-diff-left-l6">Line 6:</td>
<td colspan="2" class="diff-lineno">Line 6:</td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br></td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>Each of these methods has its pros and cons. Therefore, the application designer should carefully select which method applies best to each coding situation:</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>Each of these methods has its pros and cons. Therefore, the application designer should carefully select which method applies best to each coding situation:</div></td></tr>
<tr><td class="diff-marker" data-marker="−"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div><del style="font-weight: bold; text-decoration: none;"><UL></del></div></td><td colspan="2" class="diff-side-added"></td></tr>
<tr><td class="diff-marker" data-marker="−"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div><del style="font-weight: bold; text-decoration: none;"><LI>Use the classes 'as-is' by instantiating them in the code (using ’new’) This method should be used if the class meet 100% of the requirements in terms of interface (APIs to other component of the system) and behavior in the implementation. If those conditions are met, this is definitely the simplest way of coding fast and robust applications (i.e. code re-use).</del></div></td><td colspan="2" class="diff-side-added"></td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br></td></tr>
<tr><td class="diff-marker" data-marker="−"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div><del style="font-weight: bold; text-decoration: none;"><LI></del>Derive from the classes to modify the implementation but still benefit from the class’ default implementation. This method should be used if the class interfaces meet the requirements and only a small set of behavior needs to be adjusted. To do so, the developer must be aware of the behavior of the underlying class to avoid usual coding problems (e.g. double free of some structures, etc). This method is typically fast to implement but</div></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;">*Use the classes 'as-is' by instantiating them in the code (using ’new’) This method should be used if the class meet 100% of the requirements in terms of interface (APIs to other component of the system) and behavior in the implementation. If those conditions are met, this is definitely the simplest way of coding fast and robust applications (i.e. code re-use).</ins></div></td></tr>
<tr><td colspan="2" class="diff-side-deleted"></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div> </div></td></tr>
<tr><td colspan="2" class="diff-side-deleted"></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;">*</ins>Derive from the classes to modify the implementation but still benefit from the class’ default implementation. This method should be used if the class interfaces meet the requirements and only a small set of behavior needs to be adjusted. To do so, the developer must be aware of the behavior of the underlying class to avoid usual coding problems (e.g. double free of some structures, etc). This method is typically fast to implement but</div></td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>can create many different classes if multiple inheritance is required. For example, ring-back-tone, follow-me and voicemail-fallback can be designed as derived class. However, if a system needs to handle cases where combinations of those service are to be used, this would lead to having a class for every combination.</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>can create many different classes if multiple inheritance is required. For example, ring-back-tone, follow-me and voicemail-fallback can be designed as derived class. However, if a system needs to handle cases where combinations of those service are to be used, this would lead to having a class for every combination.</div></td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br></td></tr>
<tr><td class="diff-marker" data-marker="−"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div><del style="font-weight: bold; text-decoration: none;"><LI></del>Use the ’behavior’ concepts to modify the flow of the class by using it rather than inheriting from it (this only applies to some CAF classes). This method has the advantage of being easily cascadeable as long as the different behavior are not conflicting with each other. This is covered in more details in the Behaviors section.</div></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;">*</ins>Use the ’behavior’ concepts to modify the flow of the class by using it rather than inheriting from it (this only applies to some CAF classes). This method has the advantage of being easily cascadeable as long as the different behavior are not conflicting with each other. This is covered in more details in the Behaviors section.</div></td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br></td></tr>
<tr><td class="diff-marker" data-marker="−"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div><del style="font-weight: bold; text-decoration: none;"><LI></del>Recreate a new class from the start by inheriting from the same interfaces as the original class. Sometime, the default implementation of a class is too far away from what the system designer wants to achieve. In these situation, it is better to start a new class inheriting from the same interfaces as the studied class. Anyhow, as described in the previous section, as long as it derives from the proper interfaces, only minimal code change will be required in the system to use this new proprietary class (usually change the code line that does the ’new’).</div></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;">*</ins>Recreate a new class from the start by inheriting from the same interfaces as the original class. Sometime, the default implementation of a class is too far away from what the system designer wants to achieve. In these situation, it is better to start a new class inheriting from the same interfaces as the studied class. Anyhow, as described in the previous section, as long as it derives from the proper interfaces, only minimal code change will be required in the system to use this new proprietary class (usually change the code line that does the ’new’).</div></td></tr>
<tr><td class="diff-marker" data-marker="−"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div><del style="font-weight: bold; text-decoration: none;"></UL></del></div></td><td colspan="2" class="diff-side-added"></td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br></td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br></td></tr>
</table>Ktruemanhttps://docs.telcobridges.com/w/index.php?title=Classes&diff=81&oldid=prevKtrueman at 19:30, 7 May 20092009-05-07T19:30:19Z<p></p>
<table style="background-color: #fff; color: #202122;" data-mw="interface">
<col class="diff-marker" />
<col class="diff-content" />
<col class="diff-marker" />
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<tr class="diff-title" lang="en">
<td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">← Older revision</td>
<td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">Revision as of 15:30, 7 May 2009</td>
</tr><tr><td colspan="2" class="diff-lineno" id="mw-diff-left-l16">Line 16:</td>
<td colspan="2" class="diff-lineno">Line 16:</td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div><LI>Recreate a new class from the start by inheriting from the same interfaces as the original class. Sometime, the default implementation of a class is too far away from what the system designer wants to achieve. In these situation, it is better to start a new class inheriting from the same interfaces as the studied class. Anyhow, as described in the previous section, as long as it derives from the proper interfaces, only minimal code change will be required in the system to use this new proprietary class (usually change the code line that does the ’new’).</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div><LI>Recreate a new class from the start by inheriting from the same interfaces as the original class. Sometime, the default implementation of a class is too far away from what the system designer wants to achieve. In these situation, it is better to start a new class inheriting from the same interfaces as the studied class. Anyhow, as described in the previous section, as long as it derives from the proper interfaces, only minimal code change will be required in the system to use this new proprietary class (usually change the code line that does the ’new’).</div></td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div></UL></div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div></UL></div></td></tr>
<tr><td colspan="2" class="diff-side-deleted"></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;"></ins></div></td></tr>
<tr><td colspan="2" class="diff-side-deleted"></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;"></ins></div></td></tr>
<tr><td colspan="2" class="diff-side-deleted"></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;">----</ins></div></td></tr>
<tr><td colspan="2" class="diff-side-deleted"></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;"></ins></div></td></tr>
<tr><td colspan="2" class="diff-side-deleted"></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;">Return to the Toolpack [[User Guide]]</ins></div></td></tr>
</table>Ktruemanhttps://docs.telcobridges.com/w/index.php?title=Classes&diff=66&oldid=prevKtrueman at 19:23, 7 May 20092009-05-07T19:23:06Z<p></p>
<table style="background-color: #fff; color: #202122;" data-mw="interface">
<col class="diff-marker" />
<col class="diff-content" />
<col class="diff-marker" />
<col class="diff-content" />
<tr class="diff-title" lang="en">
<td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">← Older revision</td>
<td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">Revision as of 15:23, 7 May 2009</td>
</tr><tr><td colspan="2" class="diff-lineno" id="mw-diff-left-l1">Line 1:</td>
<td colspan="2" class="diff-lineno">Line 1:</td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>In this documentation, a system programmer will see that multiple classes exists that implements one or many interfaces. A few number of these classes are designed to be base classes (i.e. cannot be instantiated and need to be inherited) while the vast majority are available to use directly into the application code. The Toolpack architecture allows a developer to use these classes and to modify their behavior in various ways.</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>In this documentation, a system programmer will see that multiple classes exists that implements one or many interfaces. A few number of these classes are designed to be base classes (i.e. cannot be instantiated and need to be inherited) while the vast majority are available to use directly into the application code. The Toolpack architecture allows a developer to use these classes and to modify their behavior in various ways.</div></td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br></td></tr>
<tr><td class="diff-marker" data-marker="−"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div><del style="font-weight: bold; text-decoration: none;">'''</del>Usage<del style="font-weight: bold; text-decoration: none;">'''</del></div></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div> </div></td></tr>
<tr><td colspan="2" class="diff-side-deleted"></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;">== </ins>Usage <ins style="font-weight: bold; text-decoration: none;">==</ins></div></td></tr>
<tr><td colspan="2" class="diff-side-deleted"></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div> </div></td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br></td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>Each of these methods has its pros and cons. Therefore, the application designer should carefully select which method applies best to each coding situation:</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>Each of these methods has its pros and cons. Therefore, the application designer should carefully select which method applies best to each coding situation:</div></td></tr>
</table>Ktruemanhttps://docs.telcobridges.com/w/index.php?title=Classes&diff=52&oldid=prevKtrueman at 19:01, 7 May 20092009-05-07T19:01:00Z<p></p>
<table style="background-color: #fff; color: #202122;" data-mw="interface">
<col class="diff-marker" />
<col class="diff-content" />
<col class="diff-marker" />
<col class="diff-content" />
<tr class="diff-title" lang="en">
<td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">← Older revision</td>
<td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">Revision as of 15:01, 7 May 2009</td>
</tr><tr><td colspan="2" class="diff-lineno" id="mw-diff-left-l6">Line 6:</td>
<td colspan="2" class="diff-lineno">Line 6:</td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div><UL></div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div><UL></div></td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div><LI>Use the classes 'as-is' by instantiating them in the code (using ’new’) This method should be used if the class meet 100% of the requirements in terms of interface (APIs to other component of the system) and behavior in the implementation. If those conditions are met, this is definitely the simplest way of coding fast and robust applications (i.e. code re-use).</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div><LI>Use the classes 'as-is' by instantiating them in the code (using ’new’) This method should be used if the class meet 100% of the requirements in terms of interface (APIs to other component of the system) and behavior in the implementation. If those conditions are met, this is definitely the simplest way of coding fast and robust applications (i.e. code re-use).</div></td></tr>
<tr><td colspan="2" class="diff-side-deleted"></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;"></ins></div></td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div><LI>Derive from the classes to modify the implementation but still benefit from the class’ default implementation. This method should be used if the class interfaces meet the requirements and only a small set of behavior needs to be adjusted. To do so, the developer must be aware of the behavior of the underlying class to avoid usual coding problems (e.g. double free of some structures, etc). This method is typically fast to implement but</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div><LI>Derive from the classes to modify the implementation but still benefit from the class’ default implementation. This method should be used if the class interfaces meet the requirements and only a small set of behavior needs to be adjusted. To do so, the developer must be aware of the behavior of the underlying class to avoid usual coding problems (e.g. double free of some structures, etc). This method is typically fast to implement but</div></td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>can create many different classes if multiple inheritance is required. For example, ring-back-tone, follow-me and voicemail-fallback can be designed as derived class. However, if a system needs to handle cases where combinations of those service are to be used, this would lead to having a class for every combination.</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>can create many different classes if multiple inheritance is required. For example, ring-back-tone, follow-me and voicemail-fallback can be designed as derived class. However, if a system needs to handle cases where combinations of those service are to be used, this would lead to having a class for every combination.</div></td></tr>
<tr><td colspan="2" class="diff-side-deleted"></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;"></ins></div></td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div><LI>Use the ’behavior’ concepts to modify the flow of the class by using it rather than inheriting from it (this only applies to some CAF classes). This method has the advantage of being easily cascadeable as long as the different behavior are not conflicting with each other. This is covered in more details in the Behaviors section.</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div><LI>Use the ’behavior’ concepts to modify the flow of the class by using it rather than inheriting from it (this only applies to some CAF classes). This method has the advantage of being easily cascadeable as long as the different behavior are not conflicting with each other. This is covered in more details in the Behaviors section.</div></td></tr>
<tr><td colspan="2" class="diff-side-deleted"></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;"></ins></div></td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div><LI>Recreate a new class from the start by inheriting from the same interfaces as the original class. Sometime, the default implementation of a class is too far away from what the system designer wants to achieve. In these situation, it is better to start a new class inheriting from the same interfaces as the studied class. Anyhow, as described in the previous section, as long as it derives from the proper interfaces, only minimal code change will be required in the system to use this new proprietary class (usually change the code line that does the ’new’).</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div><LI>Recreate a new class from the start by inheriting from the same interfaces as the original class. Sometime, the default implementation of a class is too far away from what the system designer wants to achieve. In these situation, it is better to start a new class inheriting from the same interfaces as the studied class. Anyhow, as described in the previous section, as long as it derives from the proper interfaces, only minimal code change will be required in the system to use this new proprietary class (usually change the code line that does the ’new’).</div></td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div></UL></div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div></UL></div></td></tr>
</table>Ktruemanhttps://docs.telcobridges.com/w/index.php?title=Classes&diff=51&oldid=prevKtrueman at 19:00, 7 May 20092009-05-07T19:00:30Z<p></p>
<table style="background-color: #fff; color: #202122;" data-mw="interface">
<col class="diff-marker" />
<col class="diff-content" />
<col class="diff-marker" />
<col class="diff-content" />
<tr class="diff-title" lang="en">
<td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">← Older revision</td>
<td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">Revision as of 15:00, 7 May 2009</td>
</tr><tr><td colspan="2" class="diff-lineno" id="mw-diff-left-l3">Line 3:</td>
<td colspan="2" class="diff-lineno">Line 3:</td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>'''Usage'''</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>'''Usage'''</div></td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br></td></tr>
<tr><td class="diff-marker" data-marker="−"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div>Each of these methods <del style="font-weight: bold; text-decoration: none;">have their </del>pros and cons. Therefore, the designer should select <del style="font-weight: bold; text-decoration: none;">carefully </del>which method applies best to each coding situation:</div></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>Each of these methods <ins style="font-weight: bold; text-decoration: none;">has its </ins>pros and cons. Therefore, the <ins style="font-weight: bold; text-decoration: none;">application </ins>designer should <ins style="font-weight: bold; text-decoration: none;">carefully </ins>select which method applies best to each coding situation:</div></td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div><UL></div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div><UL></div></td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div><LI>Use the classes 'as-is' by instantiating them in the code (using ’new’) This method should be used if the class meet 100% of the requirements in terms of interface (APIs to other component of the system) and behavior in the implementation. If those conditions are met, this is definitely the simplest way of coding fast and robust applications (i.e. code re-use).</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div><LI>Use the classes 'as-is' by instantiating them in the code (using ’new’) This method should be used if the class meet 100% of the requirements in terms of interface (APIs to other component of the system) and behavior in the implementation. If those conditions are met, this is definitely the simplest way of coding fast and robust applications (i.e. code re-use).</div></td></tr>
</table>Ktruemanhttps://docs.telcobridges.com/w/index.php?title=Classes&diff=50&oldid=prevKtrueman at 18:59, 7 May 20092009-05-07T18:59:59Z<p></p>
<table style="background-color: #fff; color: #202122;" data-mw="interface">
<col class="diff-marker" />
<col class="diff-content" />
<col class="diff-marker" />
<col class="diff-content" />
<tr class="diff-title" lang="en">
<td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">← Older revision</td>
<td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">Revision as of 14:59, 7 May 2009</td>
</tr><tr><td colspan="2" class="diff-lineno" id="mw-diff-left-l5">Line 5:</td>
<td colspan="2" class="diff-lineno">Line 5:</td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>Each of these methods have their pros and cons. Therefore, the designer should select carefully which method applies best to each coding situation:</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>Each of these methods have their pros and cons. Therefore, the designer should select carefully which method applies best to each coding situation:</div></td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div><UL></div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div><UL></div></td></tr>
<tr><td class="diff-marker" data-marker="−"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div><LI>Use the classes as-is by instantiating them in the code (using ’new’) This method should be used if the class meet 100% of the requirements in terms of interface (APIs to other component of the system) and behavior in the implementation. If those conditions are met, this is definitely the simplest way of coding fast and robust applications (i.e. code re-use).</div></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><LI>Use the classes <ins style="font-weight: bold; text-decoration: none;">'</ins>as-is<ins style="font-weight: bold; text-decoration: none;">' </ins>by instantiating them in the code (using ’new’) This method should be used if the class meet 100% of the requirements in terms of interface (APIs to other component of the system) and behavior in the implementation. If those conditions are met, this is definitely the simplest way of coding fast and robust applications (i.e. code re-use).</div></td></tr>
<tr><td class="diff-marker" data-marker="−"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div><LI>Derive from the classes to modify the implementation but still benefit from the class’ default implementation This method should be used if the class interfaces meet the requirements and only a small set of behavior needs to be adjusted. To do so, the developer must be aware of the behavior of the underlying class to avoid usual coding problems (e.g. double free of some structures, etc). This method is typically fast to implement but</div></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><LI>Derive from the classes to modify the implementation but still benefit from the class’ default implementation<ins style="font-weight: bold; text-decoration: none;">. </ins>This method should be used if the class interfaces meet the requirements and only a small set of behavior needs to be adjusted. To do so, the developer must be aware of the behavior of the underlying class to avoid usual coding problems (e.g. double free of some structures, etc). This method is typically fast to implement but</div></td></tr>
<tr><td class="diff-marker" data-marker="−"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div>can create many different classes if multiple inheritance is required. For example, ring-back-tone, follow-me and voicemail-fallback can be designed as derived class. However, if a system needs to handle cases where <del style="font-weight: bold; text-decoration: none;">combination </del>of those service are to be used, this would lead <del style="font-weight: bold; text-decoration: none;">in </del>having a class for every combination.</div></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>can create many different classes if multiple inheritance is required. For example, ring-back-tone, follow-me and voicemail-fallback can be designed as derived class. However, if a system needs to handle cases where <ins style="font-weight: bold; text-decoration: none;">combinations </ins>of those service are to be used, this would lead <ins style="font-weight: bold; text-decoration: none;">to </ins>having a class for every combination.</div></td></tr>
<tr><td class="diff-marker" data-marker="−"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div><LI>Use the ’behavior’ concepts to modify the flow of the class by using it rather than inheriting from it (this only applies to some CAF classes). This method has the advantage of being easily cascadeable as long as the different behavior are not conflicting with each other. This is covered in more details in the Behaviors section. <LI>Recreate a new class from the start by inheriting from the same interfaces as the original class. Sometime, the default implementation of a class is too far away from what the system designer wants to achieve. In these situation, it is better to start a new class inheriting from the same interfaces as the studied class. Anyhow, as described in the previous section, as long as it derives from the proper interfaces, only minimal code change will be required in the system to use this new <del style="font-weight: bold; text-decoration: none;">propriatery </del>class (usually change the code line that does the ’new’).</div></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><LI>Use the ’behavior’ concepts to modify the flow of the class by using it rather than inheriting from it (this only applies to some CAF classes). This method has the advantage of being easily cascadeable as long as the different behavior are not conflicting with each other. This is covered in more details in the Behaviors section.</div></td></tr>
<tr><td colspan="2" class="diff-side-deleted"></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><LI>Recreate a new class from the start by inheriting from the same interfaces as the original class. Sometime, the default implementation of a class is too far away from what the system designer wants to achieve. In these situation, it is better to start a new class inheriting from the same interfaces as the studied class. Anyhow, as described in the previous section, as long as it derives from the proper interfaces, only minimal code change will be required in the system to use this new <ins style="font-weight: bold; text-decoration: none;">proprietary </ins>class (usually change the code line that does the ’new’).</div></td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div></UL></div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div></UL></div></td></tr>
</table>Ktrueman