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		<id>http://wiki.apidesign.org/index.php?action=history&amp;feed=atom&amp;title=Category%3AAPIDesignPatterns%3AEvolution</id>
		<title>Category:APIDesignPatterns:Evolution - Revision history</title>
		<link rel="self" type="application/atom+xml" href="http://wiki.apidesign.org/index.php?action=history&amp;feed=atom&amp;title=Category%3AAPIDesignPatterns%3AEvolution"/>
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		<updated>2026-04-11T02:00:23Z</updated>
		<subtitle>Revision history for this page on the wiki</subtitle>
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	<entry>
		<id>http://wiki.apidesign.org/index.php?title=Category:APIDesignPatterns:Evolution&amp;diff=4113&amp;oldid=prev</id>
		<title>JaroslavTulach at 21:14, 29 September 2010</title>
		<link rel="alternate" type="text/html" href="http://wiki.apidesign.org/index.php?title=Category:APIDesignPatterns:Evolution&amp;diff=4113&amp;oldid=prev"/>
				<updated>2010-09-29T21:14:17Z</updated>
		
		<summary type="html">&lt;p&gt;&lt;/p&gt;

			&lt;table style=&quot;background-color: white; color:black;&quot;&gt;
			&lt;col class='diff-marker' /&gt;
			&lt;col class='diff-content' /&gt;
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				&lt;td colspan='2' style=&quot;background-color: white; color:black;&quot;&gt;←Older revision&lt;/td&gt;
				&lt;td colspan='2' style=&quot;background-color: white; color:black;&quot;&gt;Revision as of 21:14, 29 September 2010&lt;/td&gt;
			&lt;/tr&gt;
		&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Line 1:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Line 1:&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;-&lt;/td&gt;&lt;td style=&quot;background: #ffa; color:black; font-size: smaller;&quot;&gt;&lt;div&gt;First version of an [[API]] is never perfect. All the time there is a need to evolve, extend use-cases and &lt;del style=&quot;color: red; font-weight: bold; text-decoration: none;&quot;&gt;provider &lt;/del&gt;more functionality. &lt;del style=&quot;color: red; font-weight: bold; text-decoration: none;&quot;&gt;Doing this in [[BackwardCompatibility|backward compatible]] way ensures that usages of previous version of the [[API]] still remains valid and greatly reduces [[Cost of Ownership]] and turns the [[API]] into [[Good Technology|good one]]. The [[APIDesignPatterns]] listed in this category are well suited for [[Evolution]]:&lt;/del&gt;&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;+&lt;/td&gt;&lt;td style=&quot;background: #cfc; color:black; font-size: smaller;&quot;&gt;&lt;div&gt;First version of an [[API]] is never perfect&lt;ins style=&quot;color: red; font-weight: bold; text-decoration: none;&quot;&gt;. [[API]]s need to be ready for being insufficient and imagine potential direction of future changes&lt;/ins&gt;. All the time there is a need to evolve, extend use-cases and &lt;ins style=&quot;color: red; font-weight: bold; text-decoration: none;&quot;&gt;provide &lt;/ins&gt;more functionality. &lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background: #eee; color:black; font-size: smaller;&quot;&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background: #eee; color:black; font-size: smaller;&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot;&gt;&amp;nbsp;&lt;/td&gt;&lt;td class='diff-marker'&gt;+&lt;/td&gt;&lt;td style=&quot;background: #cfc; color:black; font-size: smaller;&quot;&gt;&lt;div&gt;&lt;ins style=&quot;color: red; font-weight: bold; text-decoration: none;&quot;&gt;Doing this in [[BackwardCompatibility|backward compatible]] way ensures that usages of previous version of the [[API]] remains valid in future. This greatly reduces [[cost of Ownership]] for users of such [[API]]s. &lt;/ins&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot;&gt;&amp;nbsp;&lt;/td&gt;&lt;td class='diff-marker'&gt;+&lt;/td&gt;&lt;td style=&quot;background: #cfc; color:black; font-size: smaller;&quot;&gt;&lt;div&gt;&lt;ins style=&quot;color: red; font-weight: bold; text-decoration: none;&quot;&gt;&lt;/ins&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot;&gt;&amp;nbsp;&lt;/td&gt;&lt;td class='diff-marker'&gt;+&lt;/td&gt;&lt;td style=&quot;background: #cfc; color:black; font-size: smaller;&quot;&gt;&lt;div&gt;&lt;ins style=&quot;color: red; font-weight: bold; text-decoration: none;&quot;&gt;Evolution of an [[API]] requires well though plan. One needs to be ready for extending already existing pieces. Usage of proper [[APIDesignPatterns]] patterns listed at this category will make such future, unknown changes easier:&lt;/ins&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background: #eee; color:black; font-size: smaller;&quot;&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background: #eee; color:black; font-size: smaller;&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background: #eee; color:black; font-size: smaller;&quot;&gt;&lt;div&gt;[[Category:APIDesignPatterns]]&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background: #eee; color:black; font-size: smaller;&quot;&gt;&lt;div&gt;[[Category:APIDesignPatterns]]&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;</summary>
		<author><name>JaroslavTulach</name></author>	</entry>

	<entry>
		<id>http://wiki.apidesign.org/index.php?title=Category:APIDesignPatterns:Evolution&amp;diff=1687&amp;oldid=prev</id>
		<title>JaroslavTulach at 12:51, 15 November 2008</title>
		<link rel="alternate" type="text/html" href="http://wiki.apidesign.org/index.php?title=Category:APIDesignPatterns:Evolution&amp;diff=1687&amp;oldid=prev"/>
				<updated>2008-11-15T12:51:37Z</updated>
		
		<summary type="html">&lt;p&gt;&lt;/p&gt;

			&lt;table style=&quot;background-color: white; color:black;&quot;&gt;
			&lt;col class='diff-marker' /&gt;
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			&lt;col class='diff-content' /&gt;
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				&lt;td colspan='2' style=&quot;background-color: white; color:black;&quot;&gt;←Older revision&lt;/td&gt;
				&lt;td colspan='2' style=&quot;background-color: white; color:black;&quot;&gt;Revision as of 12:51, 15 November 2008&lt;/td&gt;
			&lt;/tr&gt;
		&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Line 1:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Line 1:&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;-&lt;/td&gt;&lt;td style=&quot;background: #ffa; color:black; font-size: smaller;&quot;&gt;&lt;div&gt;First version of an [[API]] is never perfect. All the time there is a need to evolve, extend use-cases and provider more functionality. Doing this in [[&lt;del style=&quot;color: red; font-weight: bold; text-decoration: none;&quot;&gt;BackwardCompatible&lt;/del&gt;]] way ensures that usages of previous version of the [[API]] still remains valid and greatly reduces [[Cost of Ownership]] and turns the [[API]] into [[Good Technology|good one]]. The [[APIDesignPatterns]] listed in this category are well suited for [[Evolution]]:&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;+&lt;/td&gt;&lt;td style=&quot;background: #cfc; color:black; font-size: smaller;&quot;&gt;&lt;div&gt;First version of an [[API]] is never perfect. All the time there is a need to evolve, extend use-cases and provider more functionality. Doing this in [[&lt;ins style=&quot;color: red; font-weight: bold; text-decoration: none;&quot;&gt;BackwardCompatibility|backward compatible&lt;/ins&gt;]] way ensures that usages of previous version of the [[API]] still remains valid and greatly reduces [[Cost of Ownership]] and turns the [[API]] into [[Good Technology|good one]]. The [[APIDesignPatterns]] listed in this category are well suited for [[Evolution]]:&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot;&gt;&amp;nbsp;&lt;/td&gt;&lt;td class='diff-marker'&gt;+&lt;/td&gt;&lt;td style=&quot;background: #cfc; color:black; font-size: smaller;&quot;&gt;&lt;div&gt;&amp;#160;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot;&gt;&amp;nbsp;&lt;/td&gt;&lt;td class='diff-marker'&gt;+&lt;/td&gt;&lt;td style=&quot;background: #cfc; color:black; font-size: smaller;&quot;&gt;&lt;div&gt;&amp;#160;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot;&gt;&amp;nbsp;&lt;/td&gt;&lt;td class='diff-marker'&gt;+&lt;/td&gt;&lt;td style=&quot;background: #cfc; color:black; font-size: smaller;&quot;&gt;&lt;div&gt;&lt;ins style=&quot;color: red; font-weight: bold; text-decoration: none;&quot;&gt;[[Category:APIDesignPatterns]]&lt;/ins&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;</summary>
		<author><name>JaroslavTulach</name></author>	</entry>

	<entry>
		<id>http://wiki.apidesign.org/index.php?title=Category:APIDesignPatterns:Evolution&amp;diff=1683&amp;oldid=prev</id>
		<title>JaroslavTulach: New page: First version of an API is never perfect. All the time there is a need to evolve, extend use-cases and provider more functionality. Doing this in BackwardCompatible way ensures tha...</title>
		<link rel="alternate" type="text/html" href="http://wiki.apidesign.org/index.php?title=Category:APIDesignPatterns:Evolution&amp;diff=1683&amp;oldid=prev"/>
				<updated>2008-11-15T12:46:50Z</updated>
		
		<summary type="html">&lt;p&gt;New page: First version of an &lt;a href=&quot;/wiki/API&quot; class=&quot;mw-redirect&quot; title=&quot;API&quot;&gt;API&lt;/a&gt; is never perfect. All the time there is a need to evolve, extend use-cases and provider more functionality. Doing this in &lt;a href=&quot;/wiki/BackwardCompatible&quot; class=&quot;mw-redirect&quot; title=&quot;BackwardCompatible&quot;&gt;BackwardCompatible&lt;/a&gt; way ensures tha...&lt;/p&gt;
&lt;p&gt;&lt;b&gt;New page&lt;/b&gt;&lt;/p&gt;&lt;div&gt;First version of an [[API]] is never perfect. All the time there is a need to evolve, extend use-cases and provider more functionality. Doing this in [[BackwardCompatible]] way ensures that usages of previous version of the [[API]] still remains valid and greatly reduces [[Cost of Ownership]] and turns the [[API]] into [[Good Technology|good one]]. The [[APIDesignPatterns]] listed in this category are well suited for [[Evolution]]:&lt;/div&gt;</summary>
		<author><name>JaroslavTulach</name></author>	</entry>

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