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.MessageFactory;
import org.jacorb.notification.OfferManager;
import org.jacorb.notification.SubscriptionManager;
import org.jacorb.notification.conf.Attributes;
import org.jacorb.notification.conf.Default;
import org.jacorb.notification.engine.TaskProcessor;
import org.jacorb.notification.interfaces.Message;
import org.jacorb.notification.interfaces.MessageSupplier;
import org.omg.CORBA.BooleanHolder;
import org.omg.CORBA.ORB;
import org.omg.CosEventChannelAdmin.AlreadyConnected;
import org.omg.CosEventComm.Disconnected;
import org.omg.CosNotification.StructuredEvent;
import org.omg.CosNotifyChannelAdmin.ProxyType;
import org.omg.CosNotifyChannelAdmin.SequenceProxyPullConsumerOperations;
import org.omg.CosNotifyChannelAdmin.SequenceProxyPullConsumerPOATie;
import org.omg.CosNotifyChannelAdmin.SupplierAdmin;
import org.omg.CosNotifyComm.SequencePullSupplier;
import org.omg.PortableServer.POA;
import org.omg.PortableServer.Servant;
/**
* @jmx.mbean extends = "AbstractProxyConsumerMBean"
* @jboss.xmbean
*
* @author Alphonse Bendt
* @version $Id: SequenceProxyPullConsumerImpl.java,v 1.16 2009-04-25 10:08:51 andre.spiegel Exp $
*/
public class SequenceProxyPullConsumerImpl extends AbstractProxyConsumer implements
SequenceProxyPullConsumerOperations, SequenceProxyPullConsumerImplMBean, MessageSupplier, MessageSupplierDelegate
{
private SequencePullSupplier sequencePullSupplier_;
private final PullMessagesUtility pollTaskUtility_;
private final long pollInterval_;
private final PullMessagesOperation pullMessagesOperation_;
// //////////////////////////////////////
public SequenceProxyPullConsumerImpl(IAdmin admin, ORB orb, POA poa, Configuration config,
TaskProcessor taskProcessor, MessageFactory messageFactory, OfferManager offerManager,
SubscriptionManager subscriptionManager, SupplierAdmin supplierAdmin)
{
super(admin, orb, poa, config, taskProcessor, messageFactory, supplierAdmin, offerManager,
subscriptionManager);
pollInterval_ = config.getAttributeAsLong(Attributes.PULL_CONSUMER_POLL_INTERVAL,
Default.DEFAULT_PULL_CONSUMER_POLL_INTERVAL);
pollTaskUtility_ = new PullMessagesUtility(taskProcessor, this);
pullMessagesOperation_ = new PullMessagesOperation(this);
}
public ProxyType MyType()
{
return ProxyType.PULL_SEQUENCE;
}
public void disconnect_sequence_pull_consumer()
{
destroy();
}
public synchronized void connect_sequence_pull_supplier(
SequencePullSupplier sequencePullSupplier) throws AlreadyConnected
{
checkIsNotConnected();
sequencePullSupplier_ = sequencePullSupplier;
connectClient(sequencePullSupplier);
pollTaskUtility_.startTask(pollInterval_);
}
protected void disconnectClient()
{
pollTaskUtility_.stopTask();
sequencePullSupplier_.disconnect_sequence_pull_supplier();
sequencePullSupplier_ = null;
}
public Servant newServant()
{
return new SequenceProxyPullConsumerPOATie(this);
}
public MessageSupplierDelegate.PullResult pullMessages() throws Disconnected
{
BooleanHolder _hasEvent = new BooleanHolder();
_hasEvent.value = false;
StructuredEvent[] _events = sequencePullSupplier_.try_pull_structured_events(1, _hasEvent);
return new MessageSupplierDelegate.PullResult(_events, _hasEvent.value);
}
public void queueMessages(PullResult pullResult)
{
StructuredEvent[] _events = (StructuredEvent[]) pullResult.data_;
Message[] _messages = newMessages(_events);
for (int x = 0; x < _messages.length; ++x)
{
processMessage(_messages[x]);
}
}
public void runPullMessage() throws Disconnected
{
pullMessagesOperation_.runPull();
}
}