ejb jboss 和 client 的两种交互方式

最新推荐文章于 2018-11-25 07:23:22 发布

caofeilong20941

最新推荐文章于 2018-11-25 07:23:22 发布

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分类专栏： ejb

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本文介绍如何使用Java Naming and Directory Interface (JNDI)进行远程EJB服务的查找与调用，包括配置属性、创建InitialContext实例及通过lookup方法获取远程服务。

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Properties props = new Properties();

           props.setProperty("java.naming.factory.initial",
                   "org.jnp.interfaces.NamingContextFactory");
           props.setProperty("java.naming.provider.url", "localhost:1099");
           props.setProperty("java.naming.factory.url.pkgs",
                   "org.jboss.naming:org.jnp.interfaces");
           InitialContext ctx;
           ctx = new InitialContext(props);
           TbVitalsignsservice service = (TbVitalsignsservice) ctx
                   .lookup("DGOFGH-RFID-ear/TbVitalsignsserviceBean/remote");

2.新建“ jndi.properties”文件内容

java.naming.factory.initial=org.jnp.interfaces.NamingContextFactory
java.naming.factory.url.pkgs=org.jboss.naming:org.jnp.interfaces
java.naming.provider.url=localhost\:1099

新建类‘

public class Util {

   private static Properties properties;

   private static InitialContext context;

   static {
       properties = new Properties();
       try {
           properties.load(Util.class.getResourceAsStream("jndi.properties"));
           context = new InitialContext(properties);
       } catch (IOException e) {
           e.printStackTrace();
       } catch (NamingException e) {
           e.printStackTrace();
       }
   }

   public static InitialContext getInitialContext() {
       return context;
   }

   /*
   * 曹飞龙TbVitalsignsservice
   */
   public static VsInfo getvsinfoService() throws NamingException {
       return (VsInfo) context.lookup("DGOFGH-RFID-ear/VsInfoBean/remote");
   }

   /*
   * 曹飞龙TbVitalsignsservice
   */
   public static TbVitalsignsservice getTbVitalsignsservicePadService()
           throws NamingException {
       return (TbVitalsignsservice) context
               .lookup("DGOFGH-RFID-ear/TbVitalsignsserviceBean/remote");
   }
}

servlet调用

try {

           VsInfo vsinforef = com.sura.mnursing.config.Util.getvsinfoService();
           vsinforef.savevs(null);
       } catch (NamingException e) {
           // TODO Auto-generated catch block
           e.printStackTrace();
       }