ejb-jar.xml

所有bean类（无论是会话bean还是实体bean）必须实现的最基本的接口是javax.ejb.EnterpriseBean接口。 

所有的会话bean必须实现javax.ejb.SessionBean, 
所有的实体bean必须实现javax.ejb.EntityBean. 

 

<ejb-client-jar>

可选的, ejb-client-jar元素指定一个JAR文件,这个文件包含了一个客户端程序访问EJB-JAR文件中定义的企业Bean时所需要的类文件.发布者使得EJB CLIENT JAR 文件对于客户端的类装载器来说变得容易访问了。

 

Sample:

<?xml version="1.0" encoding="UTF-8"?>
<ejb-jar id="ejb-jar_ID" version="2.1" xmlns="http://java.sun.com/xml/ns/j2ee" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://java.sun.com/xml/ns/j2ee http://java.sun.com/xml/ns/j2ee/ejb-jar_2_1.xsd">
	<display-name>BatchController</display-name>
	<enterprise-beans>
		<session id="BatchControllerStartup">
			<ejb-name>BatchControllerStartup</ejb-name>
			<home>com.ibm.websphere.startupservice.AppStartUpHome</home>
			<remote>com.ibm.websphere.startupservice.AppStartUp</remote>
			<ejb-class>com.batch.controller.bean.BatchControllerStartupBean</ejb-class>
			<session-type>Stateless</session-type>
			<transaction-type>Bean</transaction-type>
			<env-entry>
				<description>
				</description>
				<env-entry-name>BeanFactory</env-entry-name>
				<env-entry-type>java.lang.String</env-entry-type>
				<env-entry-value>batchcontrollerbeanfactory</env-entry-value>
			</env-entry>
		</session>

		<message-driven id="BatchJobRequestListener">
			<ejb-name>BatchJobRequestListener</ejb-name>
			<ejb-class>com.esf.jms.async.impl.EnhancedEsShareContextMessageDrivenBean</ejb-class>
			<messaging-type>javax.jms.MessageListener</messaging-type>
			<transaction-type>Container</transaction-type>
			<message-destination-type>javax.jms.Queue</message-destination-type>
			<env-entry>
				<description>
				</description>
				<env-entry-name>BeanFactory</env-entry-name>
				<env-entry-type>java.lang.String</env-entry-type>
				<env-entry-value>batchcontrollerbeanfactory</env-entry-value>
			</env-entry>
		</message-driven>
	</enterprise-beans>

	<assembly-descriptor>
		<container-transaction>
			<method>
				<ejb-name>BatchJobRequestListener</ejb-name>
				<method-name>onMessage</method-name>
				<method-params>
					<method-param>javax.jms.Message</method-param>
				</method-params>
			</method>
			<method>
				<ejb-name>BatchJobRequestListener1</ejb-name>
				<method-name>onMessage</method-name>
				<method-params>
					<method-param>javax.jms.Message</method-param>
				</method-params>
			</method>
			<trans-attribute>NotSupported</trans-attribute>
		</container-transaction>
	</assembly-descriptor>
	<ejb-client-jar>BatchControllerClient.jar</ejb-client-jar>
</ejb-jar>