src/java/HelloBean.java

	HelloBean.java revision ada1678a4262b208a7b87391f520a7767d25287c
/*
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 * and Distribution License("CDDL") (collectively, the "License").  You
 * may not use this file except in compliance with the License.  You can
 * obtain a copy of the License at
 * https://glassfish.dev.java.net/public/CDDL+GPL_1_1.html
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package remoteview;

import javax.ejb.*;
import javax.annotation.*;
import java.util.concurrent.Future;

@Stateless(mappedName="HH")
@RemoteHome(HelloHome.class)
@Remote(Hello.class)
@TransactionManagement(TransactionManagementType.BEAN)
public class HelloBean {

    @Resource
    private SessionContext sessionCtx;

    @PostConstruct
    public void init() {
    System.out.println("In HelloBean::init()");
    }

    public String hello() {
    System.out.println("In HelloBean::hello()");
    return "hello, world\n";
    }

    @Asynchronous
    public Future<String> helloAsync() {
    System.out.println("In HelloBean::helloAsync()");
    return new AsyncResult<String>("helo, async world!\n");
    }

    @Asynchronous
    public Future<String> asyncBlock(int seconds) {
    System.out.println("In HelloBean::asyncBlock");
    sleep(seconds);
    return new AsyncResult<String>("blocked successfully");
    }

    @Asynchronous
    public void fireAndForget() {
    System.out.println("In HelloBean::fireAndForget()");
    sleep(5);
    }

    @Asynchronous
    public Future<String> asyncThrowException(String exceptionType) {
    System.out.println("In HelloBean::asyncThrowException");
    throwException(exceptionType);
    return new AsyncResult<String>("should have thrown exception");
    }

    @Asynchronous
    public Future<String> asyncCancel(int seconds) throws Exception
    {
    System.out.println("In HelloBean::asyncCancel");
    sleep(seconds);
    if( sessionCtx.wasCancelCalled() ) {
        throw new Exception("Canceled after " + seconds + " seconds");
    }
    return new AsyncResult<String>("asyncCancel() should have been cancelled");
    }

    public void throwException(String exceptionType) {
    if( exceptionType.equals("javax.ejb.EJBException") ) {
        throw new EJBException(exceptionType);
    } else if( exceptionType.equals("javax.ejb.ConcurrentAccessException") ) {
        throw new ConcurrentAccessException(exceptionType);
    } else if( exceptionType.equals("javax.ejb.ConcurrentAccessTimeoutException") ) {
        throw new ConcurrentAccessTimeoutException(exceptionType);
    } else if( exceptionType.equals("javax.ejb.IllegalLoopbackException") ) {
        throw new IllegalLoopbackException(exceptionType);
    }

    throw new IllegalArgumentException(exceptionType);
    }

    private void sleep(int seconds) {

    System.out.println("In HelloBean::sleeping for " + seconds +
               "seconds");
    try {
        Thread.currentThread().sleep(seconds * 1000);
        System.out.println("In HelloBean::woke up from " + seconds +
                   "second sleep");
    } catch(Exception e) {
        e.printStackTrace();
    }

    }


    @PreDestroy
    public void destroy() {
    System.out.println("In HelloBean::destroy()");
    }


}