89 lines
2.5 KiB
Java
89 lines
2.5 KiB
Java
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Lawyer bean
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package com.ack.j2ee.ejb.session;
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import javax.ejb.CreateException;
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import javax.ejb.EJBException;
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import javax.ejb.RemoveException;
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import javax.ejb.SessionBean;
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import javax.ejb.SessionContext;
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import javax.ejb.SessionSynchronization;
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import javax.naming.InitialContext;
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import javax.naming.NamingException;
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import javax.rmi.PortableRemoteObject;
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public class LawyerBean implements SessionBean, SessionSynchronization {
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private SessionContext sessionContext;
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// called after transaction begin happens on a business method
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public void afterBegin() {
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System.out.println( "### just begun transaction" );
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}
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// called just before a transaction completes on a business method
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public void beforeCompletion() {
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System.out.println( "### about to complete transaction" );
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}
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// called after the transaction and reports whether it
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// was committed or not
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public void afterCompletion( boolean committed ) {
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System.out.println( "### after transaction: committed -> " + committed );
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}
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public void sendHimDown( String criminal ) {
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ReporterLocal reporter = null;
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try {
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InitialContext ctx = new InitialContext();
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// note that by making the Informer session bean an ejb link,
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// it can be accessed from within its naming environment,
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// that is 'java:comp/env' by using the name specified
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// within its deployment descriptor, that is 'cia/grass'
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Object ejbObject = ctx.lookup( "java:comp/env/journalist" );
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// then its business as usual once we have the ejbObject
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ReporterLocalHome home = (ReporterLocalHome) PortableRemoteObject.
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narrow( ejbObject, ReporterLocalHome.class );
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reporter = home.create();
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reporter.makeStory( criminal, true );
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}
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catch( NamingException nex ) {
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throw new EJBException( "cannot find informer", nex );
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}
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catch( CreateException cex ) {
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throw new EJBException( "problem getting informed", cex );
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}
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finally {
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if( reporter != null ) {
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try {
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reporter.remove();
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}
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catch( RemoveException rex ) {
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throw new EJBException( "problem getting rid of informer", rex );
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}
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}
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}
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}
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public void ejbCreate() throws CreateException {
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}
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public void ejbRemove() {
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}
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public void ejbActivate() {
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}
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public void ejbPassivate() {
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}
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public void setSessionContext( SessionContext sessionContext ) {
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this.sessionContext = sessionContext;
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}
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}
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