�??xml version="1.0" encoding="utf-8" standalone="yes"?><rss version="2.0" xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:trackback="http://madskills.com/public/xml/rss/module/trackback/" xmlns:wfw="http://wellformedweb.org/CommentAPI/" xmlns:slash="http://purl.org/rss/1.0/modules/slash/"><channel><title>&#27431;&#32654;&#39640;&#28165;&#104;&#100;&#44;&#20037;&#33609;&#22312;&#32447;&#20813;&#36153;&#31119;&#21033;&#36164;&#28304;&#44;&#22269;&#20135;&#21320;&#22812;&#22312;&#32447;&#35266;&#30475;</title><link>http://www.aygfsteel.com/yangvlive/archive/2008/09/11/228466.html</link><dc:creator>大石�?/dc:creator><author>大石�?/author><pubDate>Thu, 11 Sep 2008 15:01:00 GMT</pubDate><guid>http://www.aygfsteel.com/yangvlive/archive/2008/09/11/228466.html</guid><wfw:comment>http://www.aygfsteel.com/yangvlive/comments/228466.html</wfw:comment><comments>http://www.aygfsteel.com/yangvlive/archive/2008/09/11/228466.html#Feedback</comments><slash:comments>0</slash:comments><wfw:commentRss>http://www.aygfsteel.com/yangvlive/comments/commentRss/228466.html</wfw:commentRss><trackback:ping>http://www.aygfsteel.com/yangvlive/services/trackbacks/228466.html</trackback:ping><description><![CDATA[&nbsp;&nbsp;&nbsp;&nbsp; 摘要: Sync:获得/释放(acquire/release) 协议
<br>
<br>
<br>            Mutex
<br>            ReentrantLock
<br>            Latch
<br>            CountDown
<br>
<br>&nbsp;&nbsp;<a href='http://www.aygfsteel.com/yangvlive/archive/2008/09/11/228466.html'>阅读全文</a><img src ="http://www.aygfsteel.com/yangvlive/aggbug/228466.html" width = "1" height = "1" /><br><br><div align=right><a style="text-decoration:none;" href="http://www.aygfsteel.com/yangvlive/" target="_blank">大石�?/a> 2008-09-11 23:01 <a href="http://www.aygfsteel.com/yangvlive/archive/2008/09/11/228466.html#Feedback" target="_blank" style="text-decoration:none;">发表评论</a></div>]]></description></item><item><title>�U�程池的实现</title><link>http://www.aygfsteel.com/yangvlive/archive/2008/09/07/227505.html</link><dc:creator>大石�?/dc:creator><author>大石�?/author><pubDate>Sun, 07 Sep 2008 03:10:00 GMT</pubDate><guid>http://www.aygfsteel.com/yangvlive/archive/2008/09/07/227505.html</guid><wfw:comment>http://www.aygfsteel.com/yangvlive/comments/227505.html</wfw:comment><comments>http://www.aygfsteel.com/yangvlive/archive/2008/09/07/227505.html#Feedback</comments><slash:comments>0</slash:comments><wfw:commentRss>http://www.aygfsteel.com/yangvlive/comments/commentRss/227505.html</wfw:commentRss><trackback:ping>http://www.aygfsteel.com/yangvlive/services/trackbacks/227505.html</trackback:ping><description><![CDATA[&nbsp;&nbsp;&nbsp;&nbsp; 摘要: �U�程池也许很多比较陌�?但是提到servlet每个人都知道�Q�servlet���是用线�E�池来处理请求的 
<br>一个线�E�池��q���E�池���理�?工作�U�程 ��d��队列和�Q务接口组�?
<br>一 �U�程池管理器---ThreadPoolMananger 主要负责启动 停止工作�U�程 &nbsp;&nbsp;<a href='http://www.aygfsteel.com/yangvlive/archive/2008/09/07/227505.html'>阅读全文</a><img src ="http://www.aygfsteel.com/yangvlive/aggbug/227505.html" width = "1" height = "1" /><br><br><div align=right><a style="text-decoration:none;" href="http://www.aygfsteel.com/yangvlive/" target="_blank">大石�?/a> 2008-09-07 11:10 <a href="http://www.aygfsteel.com/yangvlive/archive/2008/09/07/227505.html#Feedback" target="_blank" style="text-decoration:none;">发表评论</a></div>]]></description></item><item><title>�U�程池的介绍及简单实�?/title><link>http://www.aygfsteel.com/yangvlive/archive/2008/09/07/227506.html</link><dc:creator>大石�?/dc:creator><author>大石�?/author><pubDate>Sun, 07 Sep 2008 03:10:00 GMT</pubDate><guid>http://www.aygfsteel.com/yangvlive/archive/2008/09/07/227506.html</guid><wfw:comment>http://www.aygfsteel.com/yangvlive/comments/227506.html</wfw:comment><comments>http://www.aygfsteel.com/yangvlive/archive/2008/09/07/227506.html#Feedback</comments><slash:comments>0</slash:comments><wfw:commentRss>http://www.aygfsteel.com/yangvlive/comments/commentRss/227506.html</wfw:commentRss><trackback:ping>http://www.aygfsteel.com/yangvlive/services/trackbacks/227506.html</trackback:ping><description><![CDATA[&nbsp;&nbsp;&nbsp;&nbsp; 摘要: 服务器程序利用线�E�技术响应客戯���求已�l�司�I�����?可能您认�����样做效率已经很高�Q�但您有没有惌���优化一下��用线�E�的�Ҏ��。该文章���向您介�l�服务器�E�序如何利用�U�程池来优化性能�q�提供一个简单的�U�程池实现�?<br>
<br>�U�程池的技术背�?
<br>
<br>&nbsp;&nbsp;<a href='http://www.aygfsteel.com/yangvlive/archive/2008/09/07/227506.html'>阅读全文</a><img src ="http://www.aygfsteel.com/yangvlive/aggbug/227506.html" width = "1" height = "1" /><br><br><div align=right><a style="text-decoration:none;" href="http://www.aygfsteel.com/yangvlive/" target="_blank">大石�?/a> 2008-09-07 11:10 <a href="http://www.aygfsteel.com/yangvlive/archive/2008/09/07/227506.html#Feedback" target="_blank" style="text-decoration:none;">发表评论</a></div>]]></description></item><item><title>JAVA后台�E�序设计及UTIL.CONCURRENT包的应用</title><link>http://www.aygfsteel.com/yangvlive/archive/2008/09/07/227507.html</link><dc:creator>大石�?/dc:creator><author>大石�?/author><pubDate>Sun, 07 Sep 2008 03:10:00 GMT</pubDate><guid>http://www.aygfsteel.com/yangvlive/archive/2008/09/07/227507.html</guid><wfw:comment>http://www.aygfsteel.com/yangvlive/comments/227507.html</wfw:comment><comments>http://www.aygfsteel.com/yangvlive/archive/2008/09/07/227507.html#Feedback</comments><slash:comments>0</slash:comments><wfw:commentRss>http://www.aygfsteel.com/yangvlive/comments/commentRss/227507.html</wfw:commentRss><trackback:ping>http://www.aygfsteel.com/yangvlive/services/trackbacks/227507.html</trackback:ping><description><![CDATA[&nbsp;&nbsp;&nbsp;&nbsp; 摘要: JAVA后台�E�序设计及UTIL.CONCURRENT包的应用
<br>
<br>�?�?<br>
<br>摘要 : 在很多��Y仉���目中�Q�JAVA语言常常被用来开发后台服务程序。线�E�池技术是提高�q�类�E�序性能的一个重要手�D�c��在实践中，该技术已�l�被�q�泛的��用。本文首�?对设计后台服务程序通常需要考虑的问题进行了基本的论�q�ͼ�随后介绍了JAVA�U�程池的原理、��用和其他一些相关问题，最后对功能强大的JAVA开放源码线 �E�池包util.concurrent 在实际编�E�中的应用进行了详细介绍�?<br>关键�? JAVA�Q�线�E�池�Q�后台服务程序；util.concurrent
<br>
<br>&nbsp;&nbsp;<a href='http://www.aygfsteel.com/yangvlive/archive/2008/09/07/227507.html'>阅读全文</a><img src ="http://www.aygfsteel.com/yangvlive/aggbug/227507.html" width = "1" height = "1" /><br><br><div align=right><a style="text-decoration:none;" href="http://www.aygfsteel.com/yangvlive/" target="_blank">大石�?/a> 2008-09-07 11:10 <a href="http://www.aygfsteel.com/yangvlive/archive/2008/09/07/227507.html#Feedback" target="_blank" style="text-decoration:none;">发表评论</a></div>]]></description></item><item><title>Java �U�程/内存模型的缺陷和增强---摘录《J2SE�q�阶�?/title><link>http://www.aygfsteel.com/yangvlive/archive/2008/09/07/227509.html</link><dc:creator>大石�?/dc:creator><author>大石�?/author><pubDate>Sun, 07 Sep 2008 03:10:00 GMT</pubDate><guid>http://www.aygfsteel.com/yangvlive/archive/2008/09/07/227509.html</guid><wfw:comment>http://www.aygfsteel.com/yangvlive/comments/227509.html</wfw:comment><comments>http://www.aygfsteel.com/yangvlive/archive/2008/09/07/227509.html#Feedback</comments><slash:comments>0</slash:comments><wfw:commentRss>http://www.aygfsteel.com/yangvlive/comments/commentRss/227509.html</wfw:commentRss><trackback:ping>http://www.aygfsteel.com/yangvlive/services/trackbacks/227509.html</trackback:ping><description><![CDATA[&nbsp;&nbsp;&nbsp;&nbsp; 摘要: 本文是由JR��L��写作的《J2SE�q�阶》一书的部分章节整理而成�Q�《J2SE�q�阶》正在写作、完善阶�D�c��您阅读后，有�Q何徏议、批评，�?和我联系 �Q�或�?�q�儿留言 。《J2SE�q�阶》写作项目组感谢您阅��L��文�?
<br>
<br>        Java在语�a�层次上实��C��对线�E�的支持。它提供了Thread/Runnable/ThreadGroup�{�一�p�d�����装的类和接口，让程序员可以高效的开发Java多线�E�应用。�ؓ了实现同步，Java提供了synchronize关键字以及object的wait()/notify()机制�Q�可是在���单易用的背后�Q�应藏着更�ؓ复杂的玄机，很多问题���是由此而�v�?
<br>&nbsp;&nbsp;<a href='http://www.aygfsteel.com/yangvlive/archive/2008/09/07/227509.html'>阅读全文</a><img src ="http://www.aygfsteel.com/yangvlive/aggbug/227509.html" width = "1" height = "1" /><br><br><div align=right><a style="text-decoration:none;" href="http://www.aygfsteel.com/yangvlive/" target="_blank">大石�?/a> 2008-09-07 11:10 <a href="http://www.aygfsteel.com/yangvlive/archive/2008/09/07/227509.html#Feedback" target="_blank" style="text-decoration:none;">发表评论</a></div>]]></description></item><item><title>Design Pattern: Two-phase Termination 模式</title><link>http://www.aygfsteel.com/yangvlive/archive/2008/09/07/227498.html</link><dc:creator>大石�?/dc:creator><author>大石�?/author><pubDate>Sun, 07 Sep 2008 03:06:00 GMT</pubDate><guid>http://www.aygfsteel.com/yangvlive/archive/2008/09/07/227498.html</guid><wfw:comment>http://www.aygfsteel.com/yangvlive/comments/227498.html</wfw:comment><comments>http://www.aygfsteel.com/yangvlive/archive/2008/09/07/227498.html#Feedback</comments><slash:comments>0</slash:comments><wfw:commentRss>http://www.aygfsteel.com/yangvlive/comments/commentRss/227498.html</wfw:commentRss><trackback:ping>http://www.aygfsteel.com/yangvlive/services/trackbacks/227498.html</trackback:ping><description><![CDATA[&nbsp;&nbsp;&nbsp;&nbsp; 摘要: Two-phase Termination直譯的話是「兩相終止」，不過���這個模式而言�Q�該譯作「兩階段�i�止」比較適�Ӟ��惛_��您有一個執行緒正在週期性的運作�Q�在「運作階�D�c��您送出了停止執行緒的請求，這時候執行緒不該慌張的馬上終止目前的工作�Q�而是先完成這一�ơ週期的工作，然後進入「善後階�D�c��完成一些善後的工作�Q�例如關閉檔案或�E��\串流�Q�所���的兩階�D늵�止，即中止「運作階�D�c��，並完成「善後階�D�c��，完整的完成執行緒的工作�?<br>&nbsp;&nbsp;<a href='http://www.aygfsteel.com/yangvlive/archive/2008/09/07/227498.html'>阅读全文</a><img src ="http://www.aygfsteel.com/yangvlive/aggbug/227498.html" width = "1" height = "1" /><br><br><div align=right><a style="text-decoration:none;" href="http://www.aygfsteel.com/yangvlive/" target="_blank">大石�?/a> 2008-09-07 11:06 <a href="http://www.aygfsteel.com/yangvlive/archive/2008/09/07/227498.html#Feedback" target="_blank" style="text-decoration:none;">发表评论</a></div>]]></description></item><item><title>Design Pattern: Future 模式</title><link>http://www.aygfsteel.com/yangvlive/archive/2008/09/07/227499.html</link><dc:creator>大石�?/dc:creator><author>大石�?/author><pubDate>Sun, 07 Sep 2008 03:06:00 GMT</pubDate><guid>http://www.aygfsteel.com/yangvlive/archive/2008/09/07/227499.html</guid><wfw:comment>http://www.aygfsteel.com/yangvlive/comments/227499.html</wfw:comment><comments>http://www.aygfsteel.com/yangvlive/archive/2008/09/07/227499.html#Feedback</comments><slash:comments>0</slash:comments><wfw:commentRss>http://www.aygfsteel.com/yangvlive/comments/commentRss/227499.html</wfw:commentRss><trackback:ping>http://www.aygfsteel.com/yangvlive/services/trackbacks/227499.html</trackback:ping><description><![CDATA[&nbsp;&nbsp;&nbsp;&nbsp; 摘要: Future模式可以���單的看成是 Proxy 模式 �?Thread-Per-Message 模式 的結合，在Proxy模式中，用一個Proxy來代替真正的目標�Q�Subject�Q�生成，目標的生成可能是��L��的，例如在開啟一個內嵌圖片的文�g中，希望�E�式能儘快完成開啟文件的動作�Q�並��示一個可接受的畫面���使用者看�Q�在還不需要看到圖片的頁面中先使用Proxy代替真正的圖片載入，只有在真正需要看到圖片時�Q�才由Proxy物�g載入真正的圖片�?nbsp;&nbsp;<a href='http://www.aygfsteel.com/yangvlive/archive/2008/09/07/227499.html'>阅读全文</a><img src ="http://www.aygfsteel.com/yangvlive/aggbug/227499.html" width = "1" height = "1" /><br><br><div align=right><a style="text-decoration:none;" href="http://www.aygfsteel.com/yangvlive/" target="_blank">大石�?/a> 2008-09-07 11:06 <a href="http://www.aygfsteel.com/yangvlive/archive/2008/09/07/227499.html#Feedback" target="_blank" style="text-decoration:none;">发表评论</a></div>]]></description></item><item><title>Design Pattern: Producer Consumer 模式</title><link>http://www.aygfsteel.com/yangvlive/archive/2008/09/07/227500.html</link><dc:creator>大石�?/dc:creator><author>大石�?/author><pubDate>Sun, 07 Sep 2008 03:06:00 GMT</pubDate><guid>http://www.aygfsteel.com/yangvlive/archive/2008/09/07/227500.html</guid><wfw:comment>http://www.aygfsteel.com/yangvlive/comments/227500.html</wfw:comment><comments>http://www.aygfsteel.com/yangvlive/archive/2008/09/07/227500.html#Feedback</comments><slash:comments>0</slash:comments><wfw:commentRss>http://www.aygfsteel.com/yangvlive/comments/commentRss/227500.html</wfw:commentRss><trackback:ping>http://www.aygfsteel.com/yangvlive/services/trackbacks/227500.html</trackback:ping><description><![CDATA[&nbsp;&nbsp;&nbsp;&nbsp; 摘要: Producer Consumer模式�?Guarded Suspension 模式 是類似的�Q�只不過Guarded Suspension模式並不限制�R�衝區的長度，Producer Consumer模式假設所生產的產品放�|�在一個長度有限制的�m衝區�Q�就像是一個產品桌�Q�它可以擺放的空間是有限的）�Q�如果�m衝區滿了�Q�則生產者必須停止繼�U�將產品攑ֈ��R�衝區中，直到消費者取��C��產品而有了空間，而如果�m衝區中沒有產品，當然消費者必須等待，直到有新的產品放到�m衝區中�?&nbsp;&nbsp;<a href='http://www.aygfsteel.com/yangvlive/archive/2008/09/07/227500.html'>阅读全文</a><img src ="http://www.aygfsteel.com/yangvlive/aggbug/227500.html" width = "1" height = "1" /><br><br><div align=right><a style="text-decoration:none;" href="http://www.aygfsteel.com/yangvlive/" target="_blank">大石�?/a> 2008-09-07 11:06 <a href="http://www.aygfsteel.com/yangvlive/archive/2008/09/07/227500.html#Feedback" target="_blank" style="text-decoration:none;">发表评论</a></div>]]></description></item><item><title>Design Pattern: Worker Thread 模式</title><link>http://www.aygfsteel.com/yangvlive/archive/2008/09/07/227501.html</link><dc:creator>大石�?/dc:creator><author>大石�?/author><pubDate>Sun, 07 Sep 2008 03:06:00 GMT</pubDate><guid>http://www.aygfsteel.com/yangvlive/archive/2008/09/07/227501.html</guid><wfw:comment>http://www.aygfsteel.com/yangvlive/comments/227501.html</wfw:comment><comments>http://www.aygfsteel.com/yangvlive/archive/2008/09/07/227501.html#Feedback</comments><slash:comments>0</slash:comments><wfw:commentRss>http://www.aygfsteel.com/yangvlive/comments/commentRss/227501.html</wfw:commentRss><trackback:ping>http://www.aygfsteel.com/yangvlive/services/trackbacks/227501.html</trackback:ping><description><![CDATA[&nbsp;&nbsp;&nbsp;&nbsp; 摘要: Worker Thread模式在Request的管理上像是 Producer Consumer 模式�Q�在Request的行��Z��像是 Command 模式�?<br>
<br>Producer Consumer模式���注於Product的生產與消費�Q�至於Product被消��L��是作何處理，則不在它的討論範圍之中�?
<br>&nbsp;&nbsp;<a href='http://www.aygfsteel.com/yangvlive/archive/2008/09/07/227501.html'>阅读全文</a><img src ="http://www.aygfsteel.com/yangvlive/aggbug/227501.html" width = "1" height = "1" /><br><br><div align=right><a style="text-decoration:none;" href="http://www.aygfsteel.com/yangvlive/" target="_blank">大石�?/a> 2008-09-07 11:06 <a href="http://www.aygfsteel.com/yangvlive/archive/2008/09/07/227501.html#Feedback" target="_blank" style="text-decoration:none;">发表评论</a></div>]]></description></item><item><title>Design Pattern: Thread-Per-Message 模式</title><link>http://www.aygfsteel.com/yangvlive/archive/2008/09/07/227502.html</link><dc:creator>大石�?/dc:creator><author>大石�?/author><pubDate>Sun, 07 Sep 2008 03:06:00 GMT</pubDate><guid>http://www.aygfsteel.com/yangvlive/archive/2008/09/07/227502.html</guid><wfw:comment>http://www.aygfsteel.com/yangvlive/comments/227502.html</wfw:comment><comments>http://www.aygfsteel.com/yangvlive/archive/2008/09/07/227502.html#Feedback</comments><slash:comments>0</slash:comments><wfw:commentRss>http://www.aygfsteel.com/yangvlive/comments/commentRss/227502.html</wfw:commentRss><trackback:ping>http://www.aygfsteel.com/yangvlive/services/trackbacks/227502.html</trackback:ping><description><![CDATA[&nbsp;&nbsp;&nbsp;&nbsp; 摘要: Thread-Per-Message模式是一個很���單但很常應用的模式�Q�尤其是在GUI�E�式中，我們舉個例子，當您�a�計一個文件編輯器時，您可能像這樣�a�d��一個開啟檔案的事�g處理�Q?nbsp;&nbsp;<a href='http://www.aygfsteel.com/yangvlive/archive/2008/09/07/227502.html'>阅读全文</a><img src ="http://www.aygfsteel.com/yangvlive/aggbug/227502.html" width = "1" height = "1" /><br><br><div align=right><a style="text-decoration:none;" href="http://www.aygfsteel.com/yangvlive/" target="_blank">大石�?/a> 2008-09-07 11:06 <a href="http://www.aygfsteel.com/yangvlive/archive/2008/09/07/227502.html#Feedback" target="_blank" style="text-decoration:none;">发表评论</a></div>]]></description></item><item><title>Design Pattern: Guarded Suspension 模式</title><link>http://www.aygfsteel.com/yangvlive/archive/2008/09/07/227503.html</link><dc:creator>大石�?/dc:creator><author>大石�?/author><pubDate>Sun, 07 Sep 2008 03:06:00 GMT</pubDate><guid>http://www.aygfsteel.com/yangvlive/archive/2008/09/07/227503.html</guid><wfw:comment>http://www.aygfsteel.com/yangvlive/comments/227503.html</wfw:comment><comments>http://www.aygfsteel.com/yangvlive/archive/2008/09/07/227503.html#Feedback</comments><slash:comments>0</slash:comments><wfw:commentRss>http://www.aygfsteel.com/yangvlive/comments/commentRss/227503.html</wfw:commentRss><trackback:ping>http://www.aygfsteel.com/yangvlive/services/trackbacks/227503.html</trackback:ping><description><![CDATA[&nbsp;&nbsp;&nbsp;&nbsp; 摘要: 考慮這麼一個伺服器�Q�它可以處理來自多個客戶端的服務請求（Request�Q�，��Z��不丟失客戶的請求�Q�它要維持一個�m衝區�Q�客戶的請求會先儲存至�m衝區中，而伺服器會從�R�衝區中取�����求並埯����Q�如果�m衝區中沒有請求，則伺服器���q��待，直到被通知有新的請求存入�m衝區中，伺服器再度進行請求的執行�?nbsp;&nbsp;<a href='http://www.aygfsteel.com/yangvlive/archive/2008/09/07/227503.html'>阅读全文</a><img src ="http://www.aygfsteel.com/yangvlive/aggbug/227503.html" width = "1" height = "1" /><br><br><div align=right><a style="text-decoration:none;" href="http://www.aygfsteel.com/yangvlive/" target="_blank">大石�?/a> 2008-09-07 11:06 <a href="http://www.aygfsteel.com/yangvlive/archive/2008/09/07/227503.html#Feedback" target="_blank" style="text-decoration:none;">发表评论</a></div>]]></description></item><item><title>Design Pattern: Thread-Specific Storage 模式</title><link>http://www.aygfsteel.com/yangvlive/archive/2008/09/07/227496.html</link><dc:creator>大石�?/dc:creator><author>大石�?/author><pubDate>Sun, 07 Sep 2008 03:06:00 GMT</pubDate><guid>http://www.aygfsteel.com/yangvlive/archive/2008/09/07/227496.html</guid><wfw:comment>http://www.aygfsteel.com/yangvlive/comments/227496.html</wfw:comment><comments>http://www.aygfsteel.com/yangvlive/archive/2008/09/07/227496.html#Feedback</comments><slash:comments>0</slash:comments><wfw:commentRss>http://www.aygfsteel.com/yangvlive/comments/commentRss/227496.html</wfw:commentRss><trackback:ping>http://www.aygfsteel.com/yangvlive/services/trackbacks/227496.html</trackback:ping><description><![CDATA[&nbsp;&nbsp;&nbsp;&nbsp; 摘要: 無論如何�Q�要�R�寫一個多埯����R�安全（thread-safe�Q�的�E�式�^�是困難的，��Z��使用的共用資源，您必須小心的���共用資源進行同步�Q�同步帶來一定的效能廉����Q�而另一斚w���Q�在處理同步的時候，又要注意物�g的鎖定與釋放�Q�避免產生死�i�，�E�種因素都��得編寫多埯����R�程式變得困難�?<br>
<br>Thread-Specific Storage模式嘗試從另一個角度來解釋多執行緒��q��資源的問��，其思考點很簡單，即然��q��資源這麼困難�Q�那麼就乾脆不要��q���Q�何不為每個執行緒創造一個資源的複本�Q�將每一個執行緒存取資料的行為加以隔離，其實珄����Ҏ���Q�就是���予每一個執行緒一個特定空間來保管該執行緒所獨��n的資源，也因此而稱之為 Thread- Specific Storage模式�?<br>&nbsp;&nbsp;<a href='http://www.aygfsteel.com/yangvlive/archive/2008/09/07/227496.html'>阅读全文</a><img src ="http://www.aygfsteel.com/yangvlive/aggbug/227496.html" width = "1" height = "1" /><br><br><div align=right><a style="text-decoration:none;" href="http://www.aygfsteel.com/yangvlive/" target="_blank">大石�?/a> 2008-09-07 11:06 <a href="http://www.aygfsteel.com/yangvlive/archive/2008/09/07/227496.html#Feedback" target="_blank" style="text-decoration:none;">发表评论</a></div>]]></description></item><item><title>Design Pattern: Read-Write-Lock 模式</title><link>http://www.aygfsteel.com/yangvlive/archive/2008/09/07/227497.html</link><dc:creator>大石�?/dc:creator><author>大石�?/author><pubDate>Sun, 07 Sep 2008 03:06:00 GMT</pubDate><guid>http://www.aygfsteel.com/yangvlive/archive/2008/09/07/227497.html</guid><wfw:comment>http://www.aygfsteel.com/yangvlive/comments/227497.html</wfw:comment><comments>http://www.aygfsteel.com/yangvlive/archive/2008/09/07/227497.html#Feedback</comments><slash:comments>0</slash:comments><wfw:commentRss>http://www.aygfsteel.com/yangvlive/comments/commentRss/227497.html</wfw:commentRss><trackback:ping>http://www.aygfsteel.com/yangvlive/services/trackbacks/227497.html</trackback:ping><description><![CDATA[&nbsp;&nbsp;&nbsp;&nbsp; 摘要: 如果有一個資料檔有可能同時間會有�a�多客戶端對它進行讀取與寫入的動作，則必須注意資料的同步問題�Q�像是兩個寫入者進行寫入時，後一個寫入者的資料會有可能���次一個寫入者的資料覆蓋掉；而有時您希望讀取者看到的是最新的資料�Q�如果在讀取的時候，有寫入者想要對資料進行寫入�Q�則最好等待讀取者讀取完畢，相反的如果在寫入時有客戶惌���讀取資料，則最好等待，以確保讀��Z��的資料是最新的資料�?nbsp;&nbsp;<a href='http://www.aygfsteel.com/yangvlive/archive/2008/09/07/227497.html'>阅读全文</a><img src ="http://www.aygfsteel.com/yangvlive/aggbug/227497.html" width = "1" height = "1" /><br><br><div align=right><a style="text-decoration:none;" href="http://www.aygfsteel.com/yangvlive/" target="_blank">大石�?/a> 2008-09-07 11:06 <a href="http://www.aygfsteel.com/yangvlive/archive/2008/09/07/227497.html#Feedback" target="_blank" style="text-decoration:none;">发表评论</a></div>]]></description></item></channel></rss>                                                                      <footer>
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