EJB调用.html
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EJB的调用
调用 EJB
- 配置客户端上下文属性
在应用程序的 classpath 中创建一个“jboss-ejb-client.properties” 文件，我们可以把它放在应用程序的 ejbModule 文件夹下，该文件中包含以下属性：remote.connectionprovider.create.options.org.xnio.Options.SSL_ENABLED=false
remote.connections=default
remote.connection.default.host=localhost
remote.connection.default.port = 4447
remote.connection.default.connect.options.org.xnio.Options.SASL_POLICY_NOANONYMOUS=false
remote.connection.default.username =YOUR_JBOSS_COSOLE_USERNAME
remote.connection.default.password =YOUR_JBOSS_COSOLE_PASSWORD - 给 client 添加所需的 JAR 文件来运行客户端程序
- 通过 InitialContext 获得 Context
private static Context initialContext;
private static final String PKG_INTERFACES = "org.jboss.ejb.client.naming";
Properties properties = new Properties();
properties.put(Context.URL_PKG_PREFIXES, PKG_INTERFACES);
initialContext = new InitialContext(properties); -
得到 EJB 的jndiName
//appName 表示部署的 ear 文件的名称部分（不包括 '.ear')
String appName = "";
//moduleName 表示该EJB jar 文件的名称部分
String moduleName = "JPAProject";
/* Jboss 7 允许每个部署有一个（可选）唯一的名字，如果我们没有明确该名字distinctName 为 "" */
String distinctName = "";
//要调用的 EJB 的类名
String beanName = "ProjectBean";
//将 ProjectBean 的 remote 接口放在和 Client 中（包名和 EJB 端相同）
String interfaceName = ProjectBeanRemote.class.getName(); String jndiName = "ejb:" + appName + "/" + moduleName + "/" +
distinctName + "/" + beanName + "!" + interfaceName; - 获得 EJB 远程接口
ProjectBeanRemote PB = (ProjectBeanRemote) context.lookup(jndiName); - 通过接口 PB 调用方法
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