/*
 *
 * 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.protocol;

import org.apache.qpid.framing.AMQMethodBody;

/**
 * An event that is passed to AMQMethodListeners describing a particular method.
 * It supplies the:
 * <ul><li>channel id</li>
 * <li>protocol method</li>
 * to listeners. This means that listeners do not need to be stateful.
 *
 * In the StateAwareMethodListener, other useful objects such as the protocol session
 * are made available.
 * 
 */
public class AMQMethodEvent<M extends AMQMethodBody>
{
    private final M _method;

    private final int _channelId;

    public AMQMethodEvent(int channelId, M method)
    {
        _channelId = channelId;
        _method = method;
    }

    public M getMethod()
    {
        return _method;
    }

    public int getChannelId()
    {
        return _channelId;
    }

    public String toString()
    {
        StringBuilder buf = new StringBuilder("Method event: ");
        buf.append("\nChannel id: ").append(_channelId);
        buf.append("\nMethod: ").append(_method);
        return buf.toString();
    }
}
