package org.jacorb.notification.servant;
/*
* JacORB - a free Java ORB
*
* Copyright (C) 1999-2004 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.CosNotifyChannelAdmin.ConsumerAdmin;
import org.omg.CosNotifyChannelAdmin.ProxyType;
import org.omg.CosNotifyChannelAdmin.StructuredProxyPushSupplierOperations;
import org.omg.CosNotifyChannelAdmin.StructuredProxyPushSupplierPOATie;
import org.omg.CosNotifyComm.StructuredPushConsumer;
import org.omg.CosNotifyComm.StructuredPushConsumerOperations;
import org.omg.PortableServer.POA;
import org.omg.PortableServer.Servant;
/**
* @jmx.mbean extends = "AbstractProxyPushSupplierMBean"
* @jboss.xmbean
*
* @author Alphonse Bendt
* @version $Id$
*/
public class StructuredProxyPushSupplierImpl extends AbstractProxyPushSupplier implements
StructuredProxyPushSupplierOperations, StructuredProxyPushSupplierImplMBean
{
private class PushStructuredOperation extends MessagePushOperation
{
public PushStructuredOperation(Message message) {
super(message);
}
public void invokePush() throws Disconnected {
deliverMessageInternal(message_);
}
}
private StructuredPushConsumerOperations pushConsumer_;
private long timeSpent_;
// //////////////////////////////////////
public StructuredProxyPushSupplierImpl(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_STRUCTURED;
}
public boolean pushEvent()
{
final Message _message = getMessageNoBlock();
if (_message != null)
{
try
{
return deliverMessageWithRetry(_message);
} finally
{
_message.dispose();
}
}
return false;
}
private boolean deliverMessageWithRetry(final Message message)
{
try
{
deliverMessageInternal(message);
return true;
} catch (Exception e)
{
final PushStructuredOperation _failedOperation = new PushStructuredOperation(message);
handleFailedPushOperation(_failedOperation, e);
return false;
}
}
private void deliverMessageInternal(final Message message) throws Disconnected
{
final long now = System.currentTimeMillis();
pushConsumer_.push_structured_event(message.toStructuredEvent());
final long _duration = (System.currentTimeMillis() - now);
timeSpent_ += _duration;
resetErrorCounter();
if (logger_.isDebugEnabled())
{
logger_.debug("Push took " + _duration + " ms");
}
}
public void connect_structured_push_consumer(StructuredPushConsumer consumer)
throws AlreadyConnected
{
checkIsNotConnected();
if (logger_.isDebugEnabled())
{
logger_.debug("connect structured_push_consumer");
}
pushConsumer_ = consumer;
connectClient(consumer);
}
public void disconnect_structured_push_supplier()
{
destroy();
}
protected void connectionResumed()
{
scheduleFlush();
}
protected void disconnectClient()
{
pushConsumer_.disconnect_structured_push_consumer();
pushConsumer_ = null;
}
public Servant newServant()
{
return new StructuredProxyPushSupplierPOATie(this);
}
protected long getCost()
{
return timeSpent_;
}
}