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.TaskProcessor;
import org.jacorb.notification.interfaces.Message;
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.ConsumerAdmin;
import org.omg.CosNotifyChannelAdmin.ProxyType;
import org.omg.CosNotifyChannelAdmin.SequenceProxyPullSupplierOperations;
import org.omg.CosNotifyChannelAdmin.SequenceProxyPullSupplierPOATie;
import org.omg.CosNotifyComm.SequencePullConsumer;
import org.omg.PortableServer.POA;
import org.omg.PortableServer.Servant;
/**
* @author Alphonse Bendt
* @version $Id: SequenceProxyPullSupplierImpl.java,v 1.17 2009-04-25 10:08:51 andre.spiegel Exp $
*/
public class SequenceProxyPullSupplierImpl extends AbstractProxySupplier implements
SequenceProxyPullSupplierOperations
{
private static final StructuredEvent[] UNDEFINED_SEQUENCE;
////////////////////////////////////////
static
{
UNDEFINED_SEQUENCE = new StructuredEvent[] { StructuredProxyPullSupplierImpl.UNDEFINED_STRUCTURED_EVENT };
}
////////////////////////////////////////
private SequencePullConsumer sequencePullConsumer_;
////////////////////////////////////////
public SequenceProxyPullSupplierImpl(IAdmin admin, ORB orb, POA poa, Configuration conf,
TaskProcessor taskProcessor, OfferManager offerManager, SubscriptionManager subscriptionManager, ConsumerAdmin consumerAdmin) throws ConfigurationException
{
super(admin, orb, poa, conf, taskProcessor, offerManager, subscriptionManager, consumerAdmin);
}
public ProxyType MyType()
{
return ProxyType.PULL_SEQUENCE;
}
public void connect_sequence_pull_consumer(SequencePullConsumer consumer)
throws AlreadyConnected
{
checkIsNotConnected();
connectClient(consumer);
sequencePullConsumer_ = consumer;
logger_.info("connect sequence_pull_consumer");
}
public StructuredEvent[] pull_structured_events(int number) throws Disconnected
{
checkStillConnected();
StructuredEvent _structuredEvents[] = UNDEFINED_SEQUENCE;
Message[] _messages = getUpToMessages(number);
if (_messages != null && _messages.length > 0)
{
_structuredEvents = new StructuredEvent[_messages.length];
for (int x = 0; x < _messages.length; ++x)
{
_structuredEvents[x] = _messages[x].toStructuredEvent();
_messages[x].dispose();
}
}
return _structuredEvents;
}
public StructuredEvent[] try_pull_structured_events(int number, BooleanHolder success)
throws Disconnected
{
checkStillConnected();
Message[] _messages = getUpToMessages(number);
if (_messages != null && _messages.length > 0)
{
StructuredEvent[] _ret = new StructuredEvent[_messages.length];
for (int x = 0; x < _messages.length; ++x)
{
_ret[x] = _messages[x].toStructuredEvent();
_messages[x].dispose();
}
success.value = true;
return _ret;
}
success.value = false;
return UNDEFINED_SEQUENCE;
}
protected void disconnectClient()
{
sequencePullConsumer_.disconnect_sequence_pull_consumer();
sequencePullConsumer_ = null;
logger_.info("disconnect sequence_pull_consumer");
}
public void disconnect_sequence_pull_supplier()
{
destroy();
}
public Servant newServant()
{
return new SequenceProxyPullSupplierPOATie(this);
}
protected long getCost()
{
return 0;
}
}