�??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>&#57;&#49;&#25104;&#20154;&#22269;&#20135;&#31934;&#21697;&#44;&#27431;&#32654;&#24615;&#35270;&#39057;&#22312;&#32447;&#44;&#20122;&#27954;&#27431;&#32654;&#24433;&#38498;</title><link>http://www.aygfsteel.com/nokiaguy/category/37501.html</link><description>假如�q�个世界上只剩下你一个�h�Q�当你正坐在屋子里的时候，�q�时�H�然响�v�?ji��n)敲门声�Q�那么会(x��)是谁呢？</description><language>zh-cn</language><lastBuildDate>Sun, 14 Jun 2009 08:17:51 GMT</lastBuildDate><pubDate>Sun, 14 Jun 2009 08:17:51 GMT</pubDate><ttl>60</ttl><item><title>eclipse + JBoss 5 + EJB3开发指南（15�Q�：(x��)拦截器方法和拦截器类</title><link>http://www.aygfsteel.com/nokiaguy/archive/2009/06/14/282121.html</link><dc:creator>银河使�?/dc:creator><author>银河使�?/author><pubDate>Sun, 14 Jun 2009 03:00:00 GMT</pubDate><guid>http://www.aygfsteel.com/nokiaguy/archive/2009/06/14/282121.html</guid><wfw:comment>http://www.aygfsteel.com/nokiaguy/comments/282121.html</wfw:comment><comments>http://www.aygfsteel.com/nokiaguy/archive/2009/06/14/282121.html#Feedback</comments><slash:comments>0</slash:comments><wfw:commentRss>http://www.aygfsteel.com/nokiaguy/comments/commentRss/282121.html</wfw:commentRss><trackback:ping>http://www.aygfsteel.com/nokiaguy/services/trackbacks/282121.html</trackback:ping><description><![CDATA[&nbsp;&nbsp;&nbsp;&nbsp; 摘要:  EJB3可以通过拦截器对Bean�Ҏ(gu��)���q�行拦截和覆盖。这有些象AOP中的around。通过AOP的around�Ҏ(gu��)���Q�可以修改被拦截�Ҏ(gu��)��的返回倹{��参数��|��甚至可以取消被拦截方法的执行。EJB3的拦截器可以用在无状态Session Bean、有状态Session Bean和消息驱动Bean�Q�MDB�Q�的�Ҏ(gu��)��中。实现拦截器的最���单的�Ҏ(gu��)��是��用拦截器�Ҏ(gu��)��。也���是��_(d��)��只要在当前的Bean中���?@AroundInvoke�Ҏ(gu��)��个方法进行注释（关于拦截器的�c�都在javax.interceptor包中�Q�，那么�q�个�Ҏ(gu��)����׃��(x��)变成拦截器方法，该拦截器�Ҏ(gu��)���?x��)拦截当前Bean中的所有方法�?nbsp;&nbsp;<a href='http://www.aygfsteel.com/nokiaguy/archive/2009/06/14/282121.html'>阅读全文</a><img src ="http://www.aygfsteel.com/nokiaguy/aggbug/282121.html" width = "1" height = "1" /><br><br><div align=right><a style="text-decoration:none;" href="http://www.aygfsteel.com/nokiaguy/" target="_blank">银河使�?/a> 2009-06-14 11:00 <a href="http://www.aygfsteel.com/nokiaguy/archive/2009/06/14/282121.html#Feedback" target="_blank" style="text-decoration:none;">发表评论</a></div>]]></description></item><item><title>eclipse + JBoss 5 + EJB3开发指南（14�Q�：(x��)消息驱动Bean</title><link>http://www.aygfsteel.com/nokiaguy/archive/2009/06/08/280771.html</link><dc:creator>银河使�?/dc:creator><author>银河使�?/author><pubDate>Mon, 08 Jun 2009 15:40:00 GMT</pubDate><guid>http://www.aygfsteel.com/nokiaguy/archive/2009/06/08/280771.html</guid><wfw:comment>http://www.aygfsteel.com/nokiaguy/comments/280771.html</wfw:comment><comments>http://www.aygfsteel.com/nokiaguy/archive/2009/06/08/280771.html#Feedback</comments><slash:comments>0</slash:comments><wfw:commentRss>http://www.aygfsteel.com/nokiaguy/comments/commentRss/280771.html</wfw:commentRss><trackback:ping>http://www.aygfsteel.com/nokiaguy/services/trackbacks/280771.html</trackback:ping><description><![CDATA[&nbsp;&nbsp;&nbsp;&nbsp; 摘要: 在前面的文章中给出的SessionBean的例子都是同步调用SessionBean�Ҏ(gu��)��的，也就是说�Q�只有当�Ҏ(gu��)��中的代码都执行完�Q�才能返回到客户端。但在某些情况下�Q�由于SessionBean�Ҏ(gu��)��的执行时间比较长�Q�这���需要异步地调用该方法，否则客户端就需要等待比较长的时间。要实现异步调用�Q�就需要��用本要讲的消息驱动Bean。消息驱动Bean的基本原理是客户端向消息服务器发送一条消息后�Q�消息服务器�?x��)将该消息保存在消息队列中。在�q�时消息服务器中的某个消费者（��d���q�处理消息的对象�Q�会(x��)��d��该消息，�q�进行处理。发送消息的客户端被�U�Cؓ(f��)消息生��者�?nbsp;&nbsp;<a href='http://www.aygfsteel.com/nokiaguy/archive/2009/06/08/280771.html'>阅读全文</a><img src ="http://www.aygfsteel.com/nokiaguy/aggbug/280771.html" width = "1" height = "1" /><br><br><div align=right><a style="text-decoration:none;" href="http://www.aygfsteel.com/nokiaguy/" target="_blank">银河使�?/a> 2009-06-08 23:40 <a href="http://www.aygfsteel.com/nokiaguy/archive/2009/06/08/280771.html#Feedback" target="_blank" style="text-decoration:none;">发表评论</a></div>]]></description></item><item><title>eclipse + JBoss 5 + EJB3开发指南（13�Q�：(x��)在Servlet中访问应用程序管制EntityManager对象</title><link>http://www.aygfsteel.com/nokiaguy/archive/2009/06/06/280338.html</link><dc:creator>银河使�?/dc:creator><author>银河使�?/author><pubDate>Sat, 06 Jun 2009 06:07:00 GMT</pubDate><guid>http://www.aygfsteel.com/nokiaguy/archive/2009/06/06/280338.html</guid><wfw:comment>http://www.aygfsteel.com/nokiaguy/comments/280338.html</wfw:comment><comments>http://www.aygfsteel.com/nokiaguy/archive/2009/06/06/280338.html#Feedback</comments><slash:comments>2</slash:comments><wfw:commentRss>http://www.aygfsteel.com/nokiaguy/comments/commentRss/280338.html</wfw:commentRss><trackback:ping>http://www.aygfsteel.com/nokiaguy/services/trackbacks/280338.html</trackback:ping><description><![CDATA[&nbsp;&nbsp;&nbsp;&nbsp; 摘要:      在前面的文章中��用的都是容器���制的EntityManager对象。这�c�EntityManager对象是由EJB容器创徏的，在这�U�情况下�Q�EntityManager对象的生命周期完全由EJB容器来管理。在SessionBean中可以��用如下的代码来通知EJB容器创徏 EntityManager对象�Q?<br>@PersistenceContext(unitName="myentity")
<br>protected EntityManager em;
<br>    上面的代码需要放在�Q意一个SessionBean的类中，EJB容器�?x��)自动创建EntityManager对象。但如果要在Servlet中直接访�?EntityManager对象�Q�需要��用EntityManagerFactory接口的createEntityManager�Ҏ(gu��)��来创�?EntityManager对象�Q�在使用完EntityManagerFactory和EntityManager对象后，可以使用相应的close�Ҏ(gu��)��关闭�q�两个对象�?nbsp;&nbsp;<a href='http://www.aygfsteel.com/nokiaguy/archive/2009/06/06/280338.html'>阅读全文</a><img src ="http://www.aygfsteel.com/nokiaguy/aggbug/280338.html" width = "1" height = "1" /><br><br><div align=right><a style="text-decoration:none;" href="http://www.aygfsteel.com/nokiaguy/" target="_blank">银河使�?/a> 2009-06-06 14:07 <a href="http://www.aygfsteel.com/nokiaguy/archive/2009/06/06/280338.html#Feedback" target="_blank" style="text-decoration:none;">发表评论</a></div>]]></description></item><item><title>eclipse + JBoss 5 + EJB3开发指南（12�Q�：(x��)使用命名查询执行JPQL</title><link>http://www.aygfsteel.com/nokiaguy/archive/2009/06/05/280160.html</link><dc:creator>银河使�?/dc:creator><author>银河使�?/author><pubDate>Fri, 05 Jun 2009 02:12:00 GMT</pubDate><guid>http://www.aygfsteel.com/nokiaguy/archive/2009/06/05/280160.html</guid><wfw:comment>http://www.aygfsteel.com/nokiaguy/comments/280160.html</wfw:comment><comments>http://www.aygfsteel.com/nokiaguy/archive/2009/06/05/280160.html#Feedback</comments><slash:comments>0</slash:comments><wfw:commentRss>http://www.aygfsteel.com/nokiaguy/comments/commentRss/280160.html</wfw:commentRss><trackback:ping>http://www.aygfsteel.com/nokiaguy/services/trackbacks/280160.html</trackback:ping><description><![CDATA[&nbsp;&nbsp;&nbsp;&nbsp; 摘要: 在EJB3中可以��用EntityManager对象的createQuery�Ҏ(gu��)��来执行JPQL�Q�类��g��Hibernate中的HQL�Q�，�q�非常简单。但使用createQuery�Ҏ(gu��)��处理JPQL�Ӟ��在每�ơ执行JPQL的过�E�中�pȝ��都需要对JPQL�q�行分析�Q�这在一定程度上降低�?ji��n)系�l�运行时的性能。�ؓ(f��)此，EJB3提供�?ji��n)命名查询的概念。命名查询有些类型于数据库中的存储过�E�，在提交的�q�程中就已经被编译处理了(ji��n)。因此，在执行效率上要高一些�?nbsp;&nbsp;<a href='http://www.aygfsteel.com/nokiaguy/archive/2009/06/05/280160.html'>阅读全文</a><img src ="http://www.aygfsteel.com/nokiaguy/aggbug/280160.html" width = "1" height = "1" /><br><br><div align=right><a style="text-decoration:none;" href="http://www.aygfsteel.com/nokiaguy/" target="_blank">银河使�?/a> 2009-06-05 10:12 <a href="http://www.aygfsteel.com/nokiaguy/archive/2009/06/05/280160.html#Feedback" target="_blank" style="text-decoration:none;">发表评论</a></div>]]></description></item><item><title>eclipse + JBoss 5 + EJB3开发指南（11�Q�：(x��)实体Bean的连接策略（JOINED Strategy�Q?/title><link>http://www.aygfsteel.com/nokiaguy/archive/2009/06/04/280013.html</link><dc:creator>银河使�?/dc:creator><author>银河使�?/author><pubDate>Thu, 04 Jun 2009 07:31:00 GMT</pubDate><guid>http://www.aygfsteel.com/nokiaguy/archive/2009/06/04/280013.html</guid><wfw:comment>http://www.aygfsteel.com/nokiaguy/comments/280013.html</wfw:comment><comments>http://www.aygfsteel.com/nokiaguy/archive/2009/06/04/280013.html#Feedback</comments><slash:comments>0</slash:comments><wfw:commentRss>http://www.aygfsteel.com/nokiaguy/comments/commentRss/280013.html</wfw:commentRss><trackback:ping>http://www.aygfsteel.com/nokiaguy/services/trackbacks/280013.html</trackback:ping><description><![CDATA[&nbsp;&nbsp;&nbsp;&nbsp; 摘要: 本文介绍�?ji��n)如何��用连接策略（JOINED Strategy�Q�对物理表进行划分。子表与父表�׃�n主键�?nbsp;&nbsp;<a href='http://www.aygfsteel.com/nokiaguy/archive/2009/06/04/280013.html'>阅读全文</a><img src ="http://www.aygfsteel.com/nokiaguy/aggbug/280013.html" width = "1" height = "1" /><br><br><div align=right><a style="text-decoration:none;" href="http://www.aygfsteel.com/nokiaguy/" target="_blank">银河使�?/a> 2009-06-04 15:31 <a href="http://www.aygfsteel.com/nokiaguy/archive/2009/06/04/280013.html#Feedback" target="_blank" style="text-decoration:none;">发表评论</a></div>]]></description></item><item><title>eclipse + JBoss 5 + EJB3开发指南（10�Q�：(x��)通过�l�承实体Bean�Q�将单个表映���成多个表（单表�{�略�Q�SINGLE_TABLE�Q?/title><link>http://www.aygfsteel.com/nokiaguy/archive/2009/06/03/279836.html</link><dc:creator>银河使�?/dc:creator><author>银河使�?/author><pubDate>Wed, 03 Jun 2009 08:22:00 GMT</pubDate><guid>http://www.aygfsteel.com/nokiaguy/archive/2009/06/03/279836.html</guid><wfw:comment>http://www.aygfsteel.com/nokiaguy/comments/279836.html</wfw:comment><comments>http://www.aygfsteel.com/nokiaguy/archive/2009/06/03/279836.html#Feedback</comments><slash:comments>0</slash:comments><wfw:commentRss>http://www.aygfsteel.com/nokiaguy/comments/commentRss/279836.html</wfw:commentRss><trackback:ping>http://www.aygfsteel.com/nokiaguy/services/trackbacks/279836.html</trackback:ping><description><![CDATA[&nbsp;&nbsp;&nbsp;&nbsp; 摘要: 如果以前使用�q�EJB1.x或EJB2.x的实体Bean�Q�会(x��)发现无法通过�l�承实体Bean���单个表分成多表。而在EJB3中，我们可以很容易地使用@Inheritance和@DiscriminatorColumn注释来实现这个功能�?nbsp;&nbsp;<a href='http://www.aygfsteel.com/nokiaguy/archive/2009/06/03/279836.html'>阅读全文</a><img src ="http://www.aygfsteel.com/nokiaguy/aggbug/279836.html" width = "1" height = "1" /><br><br><div align=right><a style="text-decoration:none;" href="http://www.aygfsteel.com/nokiaguy/" target="_blank">银河使�?/a> 2009-06-03 16:22 <a href="http://www.aygfsteel.com/nokiaguy/archive/2009/06/03/279836.html#Feedback" target="_blank" style="text-decoration:none;">发表评论</a></div>]]></description></item><item><title>eclipse + JBoss 5 + EJB3开发指南（9�Q�：(x��)实现Entity Bean的多对多�Q�many-to-many�Q�映��?/title><link>http://www.aygfsteel.com/nokiaguy/archive/2009/06/03/279833.html</link><dc:creator>银河使�?/dc:creator><author>银河使�?/author><pubDate>Wed, 03 Jun 2009 08:15:00 GMT</pubDate><guid>http://www.aygfsteel.com/nokiaguy/archive/2009/06/03/279833.html</guid><wfw:comment>http://www.aygfsteel.com/nokiaguy/comments/279833.html</wfw:comment><comments>http://www.aygfsteel.com/nokiaguy/archive/2009/06/03/279833.html#Feedback</comments><slash:comments>0</slash:comments><wfw:commentRss>http://www.aygfsteel.com/nokiaguy/comments/commentRss/279833.html</wfw:commentRss><trackback:ping>http://www.aygfsteel.com/nokiaguy/services/trackbacks/279833.html</trackback:ping><description><![CDATA[&nbsp;&nbsp;&nbsp;&nbsp; 摘要: 本文介绍�?ji��n)如何��用@ManyToMany注释实现多对多的映射关系。在EJB3中多对多的映���关�p�需要��用一个连接表来描�q��?nbsp;&nbsp;<a href='http://www.aygfsteel.com/nokiaguy/archive/2009/06/03/279833.html'>阅读全文</a><img src ="http://www.aygfsteel.com/nokiaguy/aggbug/279833.html" width = "1" height = "1" /><br><br><div align=right><a style="text-decoration:none;" href="http://www.aygfsteel.com/nokiaguy/" target="_blank">银河使�?/a> 2009-06-03 16:15 <a href="http://www.aygfsteel.com/nokiaguy/archive/2009/06/03/279833.html#Feedback" target="_blank" style="text-decoration:none;">发表评论</a></div>]]></description></item><item><title>eclipse + JBoss 5 + EJB3开发指南（8�Q�：(x��)实现Entity Bean的一对多�Q�one-to-many�Q�映��?/title><link>http://www.aygfsteel.com/nokiaguy/archive/2009/06/03/279820.html</link><dc:creator>银河使�?/dc:creator><author>银河使�?/author><pubDate>Wed, 03 Jun 2009 07:27:00 GMT</pubDate><guid>http://www.aygfsteel.com/nokiaguy/archive/2009/06/03/279820.html</guid><wfw:comment>http://www.aygfsteel.com/nokiaguy/comments/279820.html</wfw:comment><comments>http://www.aygfsteel.com/nokiaguy/archive/2009/06/03/279820.html#Feedback</comments><slash:comments>0</slash:comments><wfw:commentRss>http://www.aygfsteel.com/nokiaguy/comments/commentRss/279820.html</wfw:commentRss><trackback:ping>http://www.aygfsteel.com/nokiaguy/services/trackbacks/279820.html</trackback:ping><description><![CDATA[&nbsp;&nbsp;&nbsp;&nbsp; 摘要: 本文介绍�?ji��n)如使用@OneToMany注释来实��C��对多的映���，以及(qi��ng)使用@JoinTable注释指定�q�接表来实现一对多的单向映����?nbsp;&nbsp;<a href='http://www.aygfsteel.com/nokiaguy/archive/2009/06/03/279820.html'>阅读全文</a><img src ="http://www.aygfsteel.com/nokiaguy/aggbug/279820.html" width = "1" height = "1" /><br><br><div align=right><a style="text-decoration:none;" href="http://www.aygfsteel.com/nokiaguy/" target="_blank">银河使�?/a> 2009-06-03 15:27 <a href="http://www.aygfsteel.com/nokiaguy/archive/2009/06/03/279820.html#Feedback" target="_blank" style="text-decoration:none;">发表评论</a></div>]]></description></item><item><title>eclipse + JBoss 5 + EJB3开发指南（7�Q�：(x��)实现Entity Bean的一对一�Q�one-to-one�Q�映��?/title><link>http://www.aygfsteel.com/nokiaguy/archive/2009/06/03/279759.html</link><dc:creator>银河使�?/dc:creator><author>银河使�?/author><pubDate>Wed, 03 Jun 2009 02:51:00 GMT</pubDate><guid>http://www.aygfsteel.com/nokiaguy/archive/2009/06/03/279759.html</guid><wfw:comment>http://www.aygfsteel.com/nokiaguy/comments/279759.html</wfw:comment><comments>http://www.aygfsteel.com/nokiaguy/archive/2009/06/03/279759.html#Feedback</comments><slash:comments>1</slash:comments><wfw:commentRss>http://www.aygfsteel.com/nokiaguy/comments/commentRss/279759.html</wfw:commentRss><trackback:ping>http://www.aygfsteel.com/nokiaguy/services/trackbacks/279759.html</trackback:ping><description><![CDATA[&nbsp;&nbsp;&nbsp;&nbsp; 摘要:   一对一映射是很常用的。在一般情况下�Q�一个主表通过外键和从表�Ş成一对一的关�p�R��在EJB3中��用@OneToOne注释来映���。一对一关系除了(ji��n)使用外键�q�行兌���外，也可以采用共享主键的方式�q�接两个表�?nbsp;&nbsp;<a href='http://www.aygfsteel.com/nokiaguy/archive/2009/06/03/279759.html'>阅读全文</a><img src ="http://www.aygfsteel.com/nokiaguy/aggbug/279759.html" width = "1" height = "1" /><br><br><div align=right><a style="text-decoration:none;" href="http://www.aygfsteel.com/nokiaguy/" target="_blank">银河使�?/a> 2009-06-03 10:51 <a href="http://www.aygfsteel.com/nokiaguy/archive/2009/06/03/279759.html#Feedback" target="_blank" style="text-decoration:none;">发表评论</a></div>]]></description></item><item><title>eclipse + JBoss 5 + EJB3开发指南（6�Q�：(x��)�~�写�W�一个实体Bean�E�序</title><link>http://www.aygfsteel.com/nokiaguy/archive/2009/05/29/278951.html</link><dc:creator>银河使�?/dc:creator><author>银河使�?/author><pubDate>Fri, 29 May 2009 14:02:00 GMT</pubDate><guid>http://www.aygfsteel.com/nokiaguy/archive/2009/05/29/278951.html</guid><wfw:comment>http://www.aygfsteel.com/nokiaguy/comments/278951.html</wfw:comment><comments>http://www.aygfsteel.com/nokiaguy/archive/2009/05/29/278951.html#Feedback</comments><slash:comments>0</slash:comments><wfw:commentRss>http://www.aygfsteel.com/nokiaguy/comments/commentRss/278951.html</wfw:commentRss><trackback:ping>http://www.aygfsteel.com/nokiaguy/services/trackbacks/278951.html</trackback:ping><description><![CDATA[&nbsp;&nbsp;&nbsp;&nbsp; 摘要: EJB3容器通过EntityManager对象���理实体Bean�Q�该�c�L��主要的功能就是在记录和JavaBean之间�q�行互相映射。例如，我们从数据库中查��Z��条记录，�q�条记录有field1和field2两个字段�Q�假设有一个JavaBean�Q�也包含�?ji��n)field1和field2属性。那�?EntityManager可以���这条记录中的值映���到JavaBean的field1和field2属性中。也���是��_(d��)��在数据库中的一条记录就对应于一个JavaBean的对象实例。下面将�l�出一个简单的例子来演�C�如何来实现一个应用实体Bean的程序。在�q�个例子中��用无状态的session bean通过EntityManager对象从数据表中查找一条记录，���该记录映射成实体Bean的对象实例，最后通过session bean的方法返回该记录的某个字�D�倹{�?nbsp;&nbsp;<a href='http://www.aygfsteel.com/nokiaguy/archive/2009/05/29/278951.html'>阅读全文</a><img src ="http://www.aygfsteel.com/nokiaguy/aggbug/278951.html" width = "1" height = "1" /><br><br><div align=right><a style="text-decoration:none;" href="http://www.aygfsteel.com/nokiaguy/" target="_blank">银河使�?/a> 2009-05-29 22:02 <a href="http://www.aygfsteel.com/nokiaguy/archive/2009/05/29/278951.html#Feedback" target="_blank" style="text-decoration:none;">发表评论</a></div>]]></description></item><item><title>eclipse + JBoss 5 + EJB3开发指南（5�Q�：(x��)使用配置文�g发布Session Bean</title><link>http://www.aygfsteel.com/nokiaguy/archive/2009/05/27/278166.html</link><dc:creator>银河使�?/dc:creator><author>银河使�?/author><pubDate>Wed, 27 May 2009 03:03:00 GMT</pubDate><guid>http://www.aygfsteel.com/nokiaguy/archive/2009/05/27/278166.html</guid><wfw:comment>http://www.aygfsteel.com/nokiaguy/comments/278166.html</wfw:comment><comments>http://www.aygfsteel.com/nokiaguy/archive/2009/05/27/278166.html#Feedback</comments><slash:comments>0</slash:comments><wfw:commentRss>http://www.aygfsteel.com/nokiaguy/comments/commentRss/278166.html</wfw:commentRss><trackback:ping>http://www.aygfsteel.com/nokiaguy/services/trackbacks/278166.html</trackback:ping><description><![CDATA[&nbsp;&nbsp;&nbsp;&nbsp; 摘要: Session Bean除了(ji��n)可以使用注释来发布外�Q�也可以使用相应的配�|�文件来发布。在�q�种情况下，��׃��需要在接口和Session Bean中��用注释了(ji��n)。在JBoss中需要两个文件对Session bean�q�行配置。这两个文�g是ejb-jar.xml和jboss.xml。这两个文�g应该META-INF目录中，该目录应该放在jar文�g的根目录。ejb-jar.xml文�g负责配置session bean�Q?nbsp;&nbsp;<a href='http://www.aygfsteel.com/nokiaguy/archive/2009/05/27/278166.html'>阅读全文</a><img src ="http://www.aygfsteel.com/nokiaguy/aggbug/278166.html" width = "1" height = "1" /><br><br><div align=right><a style="text-decoration:none;" href="http://www.aygfsteel.com/nokiaguy/" target="_blank">银河使�?/a> 2009-05-27 11:03 <a href="http://www.aygfsteel.com/nokiaguy/archive/2009/05/27/278166.html#Feedback" target="_blank" style="text-decoration:none;">发表评论</a></div>]]></description></item><item><title>eclipse + JBoss 5 + EJB3开发指南（4�Q�：(x��)Session Bean中的注释�Ҏ(gu��)��</title><link>http://www.aygfsteel.com/nokiaguy/archive/2009/05/26/278045.html</link><dc:creator>银河使�?/dc:creator><author>银河使�?/author><pubDate>Tue, 26 May 2009 09:12:00 GMT</pubDate><guid>http://www.aygfsteel.com/nokiaguy/archive/2009/05/26/278045.html</guid><wfw:comment>http://www.aygfsteel.com/nokiaguy/comments/278045.html</wfw:comment><comments>http://www.aygfsteel.com/nokiaguy/archive/2009/05/26/278045.html#Feedback</comments><slash:comments>0</slash:comments><wfw:commentRss>http://www.aygfsteel.com/nokiaguy/comments/commentRss/278045.html</wfw:commentRss><trackback:ping>http://www.aygfsteel.com/nokiaguy/services/trackbacks/278045.html</trackback:ping><description><![CDATA[&nbsp;&nbsp;&nbsp;&nbsp; 摘要: 有时需要在Session Bean中初始化和释放一些资源。这些工作应该在SessionBean的@PostConstruct和@PreDestroy�Ҏ(gu��)��中进行。其中用 @PostConstruct注释的方法在SessionBean的构造方法调用之后以后EJB容器在处理完一些其他工作后调用。用 @PreDestroy注释的方法在SessionBean的对象实例被EJB容器销毁之前调用�?nbsp;&nbsp;<a href='http://www.aygfsteel.com/nokiaguy/archive/2009/05/26/278045.html'>阅读全文</a><img src ="http://www.aygfsteel.com/nokiaguy/aggbug/278045.html" width = "1" height = "1" /><br><br><div align=right><a style="text-decoration:none;" href="http://www.aygfsteel.com/nokiaguy/" target="_blank">银河使�?/a> 2009-05-26 17:12 <a href="http://www.aygfsteel.com/nokiaguy/archive/2009/05/26/278045.html#Feedback" target="_blank" style="text-decoration:none;">发表评论</a></div>]]></description></item><item><title>eclipse + JBoss 5 + EJB3开发指南（3�Q�：(x��)使用Session Bean的本地接�?/title><link>http://www.aygfsteel.com/nokiaguy/archive/2009/05/14/270657.html</link><dc:creator>银河使�?/dc:creator><author>银河使�?/author><pubDate>Thu, 14 May 2009 09:15:00 GMT</pubDate><guid>http://www.aygfsteel.com/nokiaguy/archive/2009/05/14/270657.html</guid><wfw:comment>http://www.aygfsteel.com/nokiaguy/comments/270657.html</wfw:comment><comments>http://www.aygfsteel.com/nokiaguy/archive/2009/05/14/270657.html#Feedback</comments><slash:comments>0</slash:comments><wfw:commentRss>http://www.aygfsteel.com/nokiaguy/comments/commentRss/270657.html</wfw:commentRss><trackback:ping>http://www.aygfsteel.com/nokiaguy/services/trackbacks/270657.html</trackback:ping><description><![CDATA[&nbsp;&nbsp;&nbsp;&nbsp; 摘要: 有时客户端程序（如JSP、Servlet�Q�会(x��)和EJB�l��g�q�行在同一个JVM上，如在同一个J2EE服务器（JBoss、Weblogic�{�）(j��)中运行。这时就没必要再通过�q�程�Q�remote�Q�接口访问Session Bean�?ji��n)，因��?f��)客户端和session bean都在同一个jvm上，只需要通过本地接口(local�Q�访问即可。就象直接访问本地类一��P��当然�Q�不能直接访问EJB�c�，需要��用jndi�?local接口来获得本地接口对象。当�?d��ng)���也可以通过remote接口来访问ejb�Q�不�q�这样会(x��)有一些性能损失。就象在同一台机器上�q�通过socket�q�行讉K��一��P��很多性能都损耗在�|�络上了(ji��n)�?nbsp;&nbsp;<a href='http://www.aygfsteel.com/nokiaguy/archive/2009/05/14/270657.html'>阅读全文</a><img src ="http://www.aygfsteel.com/nokiaguy/aggbug/270657.html" width = "1" height = "1" /><br><br><div align=right><a style="text-decoration:none;" href="http://www.aygfsteel.com/nokiaguy/" target="_blank">银河使�?/a> 2009-05-14 17:15 <a href="http://www.aygfsteel.com/nokiaguy/archive/2009/05/14/270657.html#Feedback" target="_blank" style="text-decoration:none;">发表评论</a></div>]]></description></item><item><title>eclipse + JBoss 5 + EJB3开发指南（2�Q�：(x��)�~�写有状态的SessionBean</title><link>http://www.aygfsteel.com/nokiaguy/archive/2009/05/13/270346.html</link><dc:creator>银河使�?/dc:creator><author>银河使�?/author><pubDate>Wed, 13 May 2009 01:51:00 GMT</pubDate><guid>http://www.aygfsteel.com/nokiaguy/archive/2009/05/13/270346.html</guid><wfw:comment>http://www.aygfsteel.com/nokiaguy/comments/270346.html</wfw:comment><comments>http://www.aygfsteel.com/nokiaguy/archive/2009/05/13/270346.html#Feedback</comments><slash:comments>0</slash:comments><wfw:commentRss>http://www.aygfsteel.com/nokiaguy/comments/commentRss/270346.html</wfw:commentRss><trackback:ping>http://www.aygfsteel.com/nokiaguy/services/trackbacks/270346.html</trackback:ping><description><![CDATA[&nbsp;&nbsp;&nbsp;&nbsp; 摘要: �~�写有状态的(Stateful�Q�的Session Bean也非常简单，只需要将无状态注�?@Stateless�Q�改成有状态注释（@Stateful�Q�即可。如果��用Stateful Sessionbean�Q�客��L(f��ng)��在��用同一个SessionBean对象实例时可以保存状态，也就是说�Q�在多次引用该对象时实际上在服务端是使用的同一�?Sessionbean的对象实例，而无状态sessionbean使用�?ji��n)不同的sessionbean对象实例�Q�因此，是无法保存状态的�?nbsp;&nbsp;<a href='http://www.aygfsteel.com/nokiaguy/archive/2009/05/13/270346.html'>阅读全文</a><img src ="http://www.aygfsteel.com/nokiaguy/aggbug/270346.html" width = "1" height = "1" /><br><br><div align=right><a style="text-decoration:none;" href="http://www.aygfsteel.com/nokiaguy/" target="_blank">银河使�?/a> 2009-05-13 09:51 <a href="http://www.aygfsteel.com/nokiaguy/archive/2009/05/13/270346.html#Feedback" target="_blank" style="text-decoration:none;">发表评论</a></div>]]></description></item><item><title>eclipse + JBoss 5 + EJB3开发指南（1�Q�：(x��)�~�写�W�一个无状态的SessionBean</title><link>http://www.aygfsteel.com/nokiaguy/archive/2009/05/01/268517.html</link><dc:creator>银河使�?/dc:creator><author>银河使�?/author><pubDate>Fri, 01 May 2009 06:39:00 GMT</pubDate><guid>http://www.aygfsteel.com/nokiaguy/archive/2009/05/01/268517.html</guid><wfw:comment>http://www.aygfsteel.com/nokiaguy/comments/268517.html</wfw:comment><comments>http://www.aygfsteel.com/nokiaguy/archive/2009/05/01/268517.html#Feedback</comments><slash:comments>2</slash:comments><wfw:commentRss>http://www.aygfsteel.com/nokiaguy/comments/commentRss/268517.html</wfw:commentRss><trackback:ping>http://www.aygfsteel.com/nokiaguy/services/trackbacks/268517.html</trackback:ping><description><![CDATA[&nbsp;&nbsp;&nbsp;&nbsp; 摘要: 本文中将�~�写一个简单的无状态SessionBean。在发布EJB�Ӟ��一般需要将EJB�E�序以jar文�g的�Ş式进行发布。这些jar文�g���被攑֜�<JBoss安装目录>\server\default\deploy目录中。如果在Eclipse中开发EJB�E�序�Q�需要进行一些配�|�。首选需要在首选项�Q�Preferences�Q�对话框中设�|�JBoss的安装目录（如D:\jboss5�Q�。然后在�q�行配置对话框中��d��jboss的运行项。在jboss4.2�?qi��ng)以后的版本中，默认情况下jboss只接收来自localhost�?27.0.0.1的请求，也就是只接收本地的访问。�ؓ(f��)�?ji��n)�?jboss接收来自其他地址的请求，在启动jboss旉���要���?b命��o(h��)行参数进行设�|�。如下面的启动命令所�C�：(x��)run.bat -b 200.200.200.123�Q�run.bat -b 0.0.0.0&nbsp;&nbsp;<a href='http://www.aygfsteel.com/nokiaguy/archive/2009/05/01/268517.html'>阅读全文</a><img src ="http://www.aygfsteel.com/nokiaguy/aggbug/268517.html" width = "1" height = "1" /><br><br><div align=right><a style="text-decoration:none;" href="http://www.aygfsteel.com/nokiaguy/" target="_blank">银河使�?/a> 2009-05-01 14:39 <a href="http://www.aygfsteel.com/nokiaguy/archive/2009/05/01/268517.html#Feedback" target="_blank" style="text-decoration:none;">发表评论</a></div>]]></description></item><item><title>Weblogic10 + EJB3入门教程�Q?�Q�：(x��)�~�写�W�一个无状态会(x��)话Bean�Q�Stateless Session Bean�Q?/title><link>http://www.aygfsteel.com/nokiaguy/archive/2009/02/08/253821.html</link><dc:creator>银河使�?/dc:creator><author>银河使�?/author><pubDate>Sun, 08 Feb 2009 13:50:00 GMT</pubDate><guid>http://www.aygfsteel.com/nokiaguy/archive/2009/02/08/253821.html</guid><wfw:comment>http://www.aygfsteel.com/nokiaguy/comments/253821.html</wfw:comment><comments>http://www.aygfsteel.com/nokiaguy/archive/2009/02/08/253821.html#Feedback</comments><slash:comments>4</slash:comments><wfw:commentRss>http://www.aygfsteel.com/nokiaguy/comments/commentRss/253821.html</wfw:commentRss><trackback:ping>http://www.aygfsteel.com/nokiaguy/services/trackbacks/253821.html</trackback:ping><description><![CDATA[&nbsp;&nbsp;&nbsp;&nbsp; 摘要: 在本文主要介�l�如何来开发一个Stateless Session Bean�Q��ƈ在未安装WebLogic10的机器上讉K��Session Bean。开发EJB3 Stateless Session Bean要比开发EJB2 Stateless Session Bean�Ҏ(gu��)��得多�Q�只需要几个注释就可以搞定�?nbsp;&nbsp;<a href='http://www.aygfsteel.com/nokiaguy/archive/2009/02/08/253821.html'>阅读全文</a><img src ="http://www.aygfsteel.com/nokiaguy/aggbug/253821.html" width = "1" height = "1" /><br><br><div align=right><a style="text-decoration:none;" href="http://www.aygfsteel.com/nokiaguy/" target="_blank">银河使�?/a> 2009-02-08 21:50 <a href="http://www.aygfsteel.com/nokiaguy/archive/2009/02/08/253821.html#Feedback" target="_blank" style="text-decoration:none;">发表评论</a></div>]]></description></item></channel></rss>                                                                                  <footer>
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