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EJB Tutorial from JBoss: Consumer producer
File: ExampleProducer.java
/*
* JBoss, Home of Professional Open Source.
* Copyright 2006, Red Hat Middleware LLC, and individual contributors
* as indicated by the @author tags. See the copyright.txt file in the
* distribution for a full listing of individual contributors.
*
* This is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as
* published by the Free Software Foundation; either version 2.1 of
* the License, or (at your option) any later version.
*
* This software is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this software; if not, write to the Free
* Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA, or see the FSF site: http://www.fsf.org.
*/
package org.jboss.tutorial.consumer.bean;
import org.jboss.annotation.ejb.MessageProperties;
import org.jboss.annotation.ejb.DeliveryMode;
import org.jboss.annotation.ejb.DeliveryMode;
import org.jboss.annotation.ejb.MessageProperties;
import java.util.Map;
/**
* comment
*
* @author <a href="mailto:bill@jboss.org">Bill Burke</a>
*/
public interface ExampleProducer
{
void method1(String msg, int val);
@MessageProperties(delivery=DeliveryMode.NON_PERSISTENT)
void method2(String msg, Map<String, String> map);
}
File: ExampleProducerLocal.java
/*
* JBoss, Home of Professional Open Source.
* Copyright 2006, Red Hat Middleware LLC, and individual contributors
* as indicated by the @author tags. See the copyright.txt file in the
* distribution for a full listing of individual contributors.
*
* This is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as
* published by the Free Software Foundation; either version 2.1 of
* the License, or (at your option) any later version.
*
* This software is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this software; if not, write to the Free
* Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA, or see the FSF site: http://www.fsf.org.
*/
package org.jboss.tutorial.consumer.bean;
import org.jboss.annotation.ejb.Producer;
import org.jboss.annotation.ejb.Local;
import org.jboss.annotation.ejb.Producer;
/**
* comment
*
* @author <a href="mailto:bill@jboss.org">Bill Burke</a>
*/
@Local @Producer
public interface ExampleProducerLocal extends ExampleProducer
{
}
File: ExampleProducerRemote.java
/*
* JBoss, Home of Professional Open Source.
* Copyright 2006, Red Hat Middleware LLC, and individual contributors
* as indicated by the @author tags. See the copyright.txt file in the
* distribution for a full listing of individual contributors.
*
* This is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as
* published by the Free Software Foundation; either version 2.1 of
* the License, or (at your option) any later version.
*
* This software is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this software; if not, write to the Free
* Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA, or see the FSF site: http://www.fsf.org.
*/
package org.jboss.tutorial.consumer.bean;
import org.jboss.annotation.ejb.Producer;
/**
* comment
*
* @author <a href="mailto:bill@jboss.org">Bill Burke</a>
*/
@Producer
public interface ExampleProducerRemote extends ExampleProducer
{
}
File: ExampleProducerXA.java
/*
* JBoss, Home of Professional Open Source.
* Copyright 2006, Red Hat Middleware LLC, and individual contributors
* as indicated by the @author tags. See the copyright.txt file in the
* distribution for a full listing of individual contributors.
*
* This is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as
* published by the Free Software Foundation; either version 2.1 of
* the License, or (at your option) any later version.
*
* This software is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this software; if not, write to the Free
* Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA, or see the FSF site: http://www.fsf.org.
*/
package org.jboss.tutorial.consumer.bean;
import java.util.Map;
import org.jboss.annotation.ejb.DeliveryMode;
import org.jboss.annotation.ejb.MessageProperties;
import org.jboss.annotation.ejb.Producer;
import org.jboss.annotation.ejb.Local;
/**
* comment
*
* @author <a href="mailto:bill@jboss.org">Bill Burke</a>
*/
@Local @Producer(connectionFactory="java:/JmsXA")
public interface ExampleProducerXA extends ExampleProducer
{
@MessageProperties(delivery=DeliveryMode.PERSISTENT, priority=4)
void method2(String msg, Map<String, String> map);
}
File: Tester.java
/*
* JBoss, Home of Professional Open Source.
* Copyright 2006, Red Hat Middleware LLC, and individual contributors
* as indicated by the @author tags. See the copyright.txt file in the
* distribution for a full listing of individual contributors.
*
* This is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as
* published by the Free Software Foundation; either version 2.1 of
* the License, or (at your option) any later version.
*
* This software is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this software; if not, write to the Free
* Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA, or see the FSF site: http://www.fsf.org.
*/
package org.jboss.tutorial.consumer.bean;
/**
* Comment
*
* @author <a href="mailto:bill@jboss.org">Bill Burke</a>
* @version $Revision: 57207 $
*/
public interface Tester
{
void testXA() throws Exception;
void testLocal() throws Exception;
}
File: TesterBean.java
/*
* JBoss, Home of Professional Open Source.
* Copyright 2006, Red Hat Middleware LLC, and individual contributors
* as indicated by the @author tags. See the copyright.txt file in the
* distribution for a full listing of individual contributors.
*
* This is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as
* published by the Free Software Foundation; either version 2.1 of
* the License, or (at your option) any later version.
*
* This software is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this software; if not, write to the Free
* Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA, or see the FSF site: http://www.fsf.org.
*/
package org.jboss.tutorial.consumer.bean;
import java.util.HashMap;
import java.util.Map;
import org.jboss.annotation.JndiInject;
import javax.ejb.Remote;
import javax.ejb.Stateless;
import javax.ejb.TransactionAttribute;
import javax.ejb.TransactionAttributeType;
import org.jboss.ejb3.mdb.ProducerManager;
import org.jboss.ejb3.mdb.ProducerObject;
/**
* Show injecting in producers
* Show how to interact with local producers
*
* @author <a href="mailto:bill@jboss.org">Bill Burke</a>
* @version $Revision: 57207 $
*/
@Stateless
@Remote(Tester.class)
public class TesterBean implements Tester
{
private ExampleProducerXA xa;
private ProducerManager xaManager;
@JndiInject(jndiName="org.jboss.tutorial.consumer.bean.ExampleProducerXA")
public void setXa(ExampleProducerXA xa)
{
this.xa = xa;
this.xaManager = ((ProducerObject)xa).getProducerManager();
}
private ExampleProducer local;
private ProducerManager localManager;
@JndiInject(jndiName="org.jboss.tutorial.consumer.bean.ExampleProducerLocal")
public void setLocal(ExampleProducer local)
{
this.local = local;
this.localManager = ((ProducerObject)local).getProducerManager();
}
@TransactionAttribute(TransactionAttributeType.REQUIRED)
public void testXA() throws Exception
{
xaManager.connect();
xa.method1("testXA", 1);
Map<String, String> map = new HashMap<String, String>();
map.put("hello", "world");
map.put("great", "ejb3");
xa.method2("testXA2", map);
System.out.println("end TESTXA **");
xaManager.close();
}
public void testLocal() throws Exception
{
localManager.connect();
local.method1("testLocal", 1);
Map<String, String> map = new HashMap<String, String>();
map.put("hello", "world");
map.put("great", "ejb3");
local.method2("testLocal2", map);
localManager.close();
}
}
File: ExampleConsumerBean.java
/*
* JBoss, Home of Professional Open Source.
* Copyright 2006, Red Hat Middleware LLC, and individual contributors
* as indicated by the @author tags. See the copyright.txt file in the
* distribution for a full listing of individual contributors.
*
* This is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as
* published by the Free Software Foundation; either version 2.1 of
* the License, or (at your option) any later version.
*
* This software is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this software; if not, write to the Free
* Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA, or see the FSF site: http://www.fsf.org.
*/
package org.jboss.tutorial.consumer.bean;
import java.util.Map;
import javax.ejb.ActivationConfigProperty;
import javax.jms.Message;
import org.jboss.annotation.ejb.Consumer;
import org.jboss.annotation.ejb.CurrentMessage;
@Consumer(activationConfig = {
@ActivationConfigProperty(propertyName="destinationType", propertyValue="javax.jms.Queue"),
@ActivationConfigProperty(propertyName="destination", propertyValue="queue/tutorial/example")
})
public class ExampleConsumerBean implements ExampleProducerRemote, ExampleProducerLocal, ExampleProducerXA
{
// you can have container inject the current JMS message so that you can manipulate it, like for instance
// to get a reply-to destination.
@CurrentMessage private Message currentMessage;
public void method1(String msg, int val)
{
System.out.println("method1(" + msg + ", " + val + ")");
}
public void method2(String msg, Map<String, String> map)
{
System.out.println("method2: " + msg);
for (String key : map.keySet())
{
System.out.println("method2 key/val: " + key + ":" + map.get(key));
}
}
}
File: Client.java
/*
* JBoss, Home of Professional Open Source.
* Copyright 2006, Red Hat Middleware LLC, and individual contributors
* as indicated by the @author tags. See the copyright.txt file in the
* distribution for a full listing of individual contributors.
*
* This is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as
* published by the Free Software Foundation; either version 2.1 of
* the License, or (at your option) any later version.
*
* This software is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this software; if not, write to the Free
* Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA, or see the FSF site: http://www.fsf.org.
*/
package org.jboss.tutorial.consumer.client;
import java.util.HashMap;
import java.util.Map;
import javax.naming.InitialContext;
import org.jboss.ejb3.mdb.ProducerManager;
import org.jboss.ejb3.mdb.ProducerObject;
import org.jboss.ejb3.mdb.ProducerConfig;
import org.jboss.tutorial.consumer.bean.ExampleProducerRemote;
import org.jboss.tutorial.consumer.bean.Tester;
public class Client
{
public static void main(String[] args) throws Exception
{
InitialContext ctx = new InitialContext();
ExampleProducerRemote remote = (ExampleProducerRemote) ctx.lookup(ExampleProducerRemote.class.getName());
// you can typecast the returned proxy to obtain a ProducerManager interface that allows you to manage
// interaction with JMS.
ProducerManager manager = ((ProducerObject) remote).getProducerManager();
// connect
manager.connect();
try
{
// Call method1
remote.method1("Remote method1 called", 1);
// Call method2
Map<String, String> map = new HashMap<String, String>();
map.put("hello", "world");
map.put("great", "ejb3");
remote.method2("Remote method2 called", map);
}
finally
{
// instead of typecasting, you can use a helper class that does everything for you.
ProducerConfig.close(remote);
}
// Try out local producers by interfacing with Session bean
Tester tester = (Tester) ctx.lookup("TesterBean/remote");
tester.testLocal();
tester.testXA();
}
}
