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/*
*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*
*/
package org.apache.qpid.server.model.adapter;
import java.util.Collection;
import java.util.Collections;
import java.util.HashMap;
import java.util.Map;
import java.util.UUID;
import org.apache.qpid.server.model.AbstractConfiguredObject;
import org.apache.qpid.server.model.ConfiguredObject;
import org.apache.qpid.server.model.Consumer;
import org.apache.qpid.server.model.LifetimePolicy;
import org.apache.qpid.server.model.Publisher;
import org.apache.qpid.server.model.Session;
import org.apache.qpid.server.model.State;
import org.apache.qpid.server.model.StateTransition;
import org.apache.qpid.server.protocol.AMQSessionModel;
import org.apache.qpid.server.protocol.ConsumerListener;
import org.apache.qpid.server.util.Action;
final class SessionAdapter extends AbstractConfiguredObject<SessionAdapter> implements Session<SessionAdapter>
{
// Attributes
private final AMQSessionModel _session;
public SessionAdapter(final ConnectionAdapter connectionAdapter,
final AMQSessionModel session)
{
super(parentsMap(connectionAdapter), createAttributes(session));
_session = session;
_session.addConsumerListener(new ConsumerListener()
{
@Override
public void consumerAdded(final Consumer<?> consumer)
{
childAdded(consumer);
}
@Override
public void consumerRemoved(final Consumer<?> consumer)
{
childRemoved(consumer);
}
});
session.setModelObject(this);
session.addDeleteTask(new Action()
{
@Override
public void performAction(final Object object)
{
session.removeDeleteTask(this);
deleted();
}
});
setState(State.ACTIVE);
}
private static Map<String, Object> createAttributes(final AMQSessionModel session)
{
Map<String,Object> attributes = new HashMap<String, Object>();
attributes.put(ID, UUID.randomUUID());
attributes.put(NAME, String.valueOf(session.getChannelId()));
attributes.put(DURABLE, false);
attributes.put(LIFETIME_POLICY, LifetimePolicy.DELETE_ON_SESSION_END);
return attributes;
}
@Override
public int getChannelId()
{
return _session.getChannelId();
}
@Override
public boolean isProducerFlowBlocked()
{
return _session.getBlocking();
}
public Collection<org.apache.qpid.server.model.Consumer> getConsumers()
{
return (Collection<Consumer>) _session.getConsumers();
}
public Collection<Publisher> getPublishers()
{
return Collections.emptySet(); //TODO
}
@Override
public <C extends ConfiguredObject> Collection<C> getChildren(Class<C> clazz)
{
if(clazz == org.apache.qpid.server.model.Consumer.class)
{
return (Collection<C>) getConsumers();
}
else if(clazz == Publisher.class)
{
return (Collection<C>) getPublishers();
}
else
{
return Collections.emptySet();
}
}
@Override
public long getConsumerCount()
{
return _session.getConsumerCount();
}
@Override
public long getLocalTransactionBegins()
{
return _session.getTxnStart();
}
@Override
public int getLocalTransactionOpen()
{
long open = _session.getTxnStart() - (_session.getTxnCommits() + _session.getTxnRejects());
return (open > 0l) ? 1 : 0;
}
@Override
public long getLocalTransactionRollbacks()
{
return _session.getTxnRejects();
}
@Override
public long getUnacknowledgedMessages()
{
return _session.getUnacknowledgedMessageCount();
}
@Override
public long getTransactionStartTime()
{
return _session.getTransactionStartTime();
}
@Override
public long getTransactionUpdateTime()
{
return _session.getTransactionUpdateTime();
}
@StateTransition(currentState = State.ACTIVE, desiredState = State.DELETED)
private void doDelete()
{
deleted();
setState(State.DELETED);
}
}
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