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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.protocol;
import java.util.concurrent.ConcurrentSkipListSet;
import org.apache.qpid.AMQException;
import org.apache.qpid.server.logging.LogSubject;
import org.apache.qpid.server.message.InboundMessage;
import org.apache.qpid.server.queue.AMQQueue;
import org.apache.qpid.server.queue.SimpleAMQQueue;
/**
* Session model interface.
* Extends {@link Comparable} to allow objects to be inserted into a {@link ConcurrentSkipListSet}
* when monitoring the blocking and blocking of queues/sessions in {@link SimpleAMQQueue}.
*/
public interface AMQSessionModel extends Comparable<AMQSessionModel>
{
public Object getID();
public AMQConnectionModel getConnectionModel();
public String getClientID();
public void close() throws AMQException;
public LogSubject getLogSubject();
/**
* This method is called from the housekeeping thread to check the status of
* transactions on this session and react appropriately.
*
* If a transaction is open for too long or idle for too long then a warning
* is logged or the connection is closed, depending on the configuration. An open
* transaction is one that has recent activity. The transaction age is counted
* from the time the transaction was started. An idle transaction is one that
* has had no activity, such as publishing or acknowledgeing messages.
*
* @param openWarn time in milliseconds before alerting on open transaction
* @param openClose time in milliseconds before closing connection with open transaction
* @param idleWarn time in milliseconds before alerting on idle transaction
* @param idleClose time in milliseconds before closing connection with idle transaction
*/
public void checkTransactionStatus(long openWarn, long openClose, long idleWarn, long idleClose) throws AMQException;
void block(AMQQueue queue);
void unblock(AMQQueue queue);
boolean onSameConnection(InboundMessage inbound);
}
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