package org.jacorb.notification.servant;
/*
* JacORB - a free Java ORB
*
* Copyright (C) 1997-2004 Gerald Brose.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library 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
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the Free
* Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
import org.jacorb.config.*;
import org.jacorb.notification.OfferManager;
import org.jacorb.notification.SubscriptionManager;
import org.jacorb.notification.engine.MessagePushOperation;
import org.jacorb.notification.engine.PushTaskExecutorFactory;
import org.jacorb.notification.engine.TaskProcessor;
import org.jacorb.notification.interfaces.Message;
import org.omg.CORBA.ORB;
import org.omg.CosEventChannelAdmin.AlreadyConnected;
import org.omg.CosEventComm.Disconnected;
import org.omg.CosEventComm.PushConsumer;
import org.omg.CosNotifyChannelAdmin.ConsumerAdmin;
import org.omg.CosNotifyChannelAdmin.ProxyPushSupplierOperations;
import org.omg.CosNotifyChannelAdmin.ProxyPushSupplierPOATie;
import org.omg.CosNotifyChannelAdmin.ProxyType;
import org.omg.PortableServer.POA;
import org.omg.PortableServer.Servant;
/**
* @jmx.mbean extends = "AbstractProxyPushSupplierMBean"
* @jboss.xmbean
*
* @author Alphonse Bendt
* @version $Id: ProxyPushSupplierImpl.java,v 1.25 2009-04-25 10:08:51 andre.spiegel Exp $
*/
public class ProxyPushSupplierImpl extends AbstractProxyPushSupplier implements
ProxyPushSupplierOperations, ProxyPushSupplierImplMBean
{
private class PushAnyOperation extends MessagePushOperation
{
public PushAnyOperation(Message message) {
super(message);
}
public void invokePush() throws Disconnected {
deliverMessageInternal(message_);
}
}
private PushConsumer pushConsumer_;
private long timeSpent_;
// //////////////////////////////////////
public ProxyPushSupplierImpl(IAdmin admin, ORB orb, POA poa, Configuration conf,
TaskProcessor taskProcessor, PushTaskExecutorFactory pushTaskExecutorFactory, OfferManager offerManager,
SubscriptionManager subscriptionManager, ConsumerAdmin consumerAdmin)
throws ConfigurationException
{
super(admin, orb, poa, conf, taskProcessor, pushTaskExecutorFactory, offerManager,
subscriptionManager, consumerAdmin);
}
public ProxyType MyType()
{
return ProxyType.PUSH_ANY;
}
public void disconnect_push_supplier()
{
destroy();
}
protected void disconnectClient()
{
pushConsumer_.disconnect_push_consumer();
pushConsumer_ = null;
}
private boolean deliverMessageWithRetry(final Message message)
{
try
{
deliverMessageInternal(message);
return true;
} catch (Exception e)
{
final PushAnyOperation _failedOperation = new PushAnyOperation(message);
handleFailedPushOperation(_failedOperation, e);
return false;
}
}
private void deliverMessageInternal(final Message message) throws Disconnected
{
long now = System.currentTimeMillis();
pushConsumer_.push(message.toAny());
timeSpent_ += (System.currentTimeMillis() - now);
resetErrorCounter();
}
public boolean pushEvent()
{
final Message _message = getMessageNoBlock();
if (_message != null)
{
try
{
return deliverMessageWithRetry(_message);
} finally
{
_message.dispose();
}
}
return false;
}
public void connect_any_push_consumer(PushConsumer pushConsumer) throws AlreadyConnected
{
checkIsNotConnected();
pushConsumer_ = pushConsumer;
connectClient(pushConsumer);
}
protected void connectionResumed()
{
scheduleFlush();
}
public Servant newServant()
{
return new ProxyPushSupplierPOATie(this);
}
public long getCost()
{
return timeSpent_;
}
}