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/*
*
* Copyright (c) 2006 The Apache Software Foundation
*
* Licensed 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;
import javax.management.JMException;
import java.io.IOException;
/**
* The managed interface exposed to allow management of channels.
* @author Bhupendra Bhardwaj
* @version 0.1
*/
public interface ManagedChannel
{
static final String TYPE = "Channel";
/**
* Tells whether the channel is transactional.
* @return true if the channel is transactional.
* @throws IOException
*/
boolean isTransactional() throws IOException;
/**
* Tells the number of unacknowledged messages in this channel.
* @return number of unacknowledged messages.
* @throws IOException
*/
int getUnacknowledgedMessageCount() throws IOException;
//********** Operations *****************//
/**
* Commits the transactions if the channel is transactional.
* @throws IOException
* @throws JMException
*/
void commitTransactions() throws IOException, JMException;
/**
* Rollsback the transactions if the channel is transactional.
* @throws IOException
* @throws JMException
*/
void rollbackTransactions() throws IOException, JMException;
}
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