/*
 * (C) 2007-2012 Alibaba Group Holding Limited.
 * 
 * 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.
 * Authors:
 *   wuhua <wq163@163.com> , boyan <killme2008@gmail.com>
 */
package com.taobao.metamorphosis.network;

import com.taobao.gecko.core.command.CommandHeader;
import com.taobao.gecko.core.command.RequestCommand;


/**
 * �����������
 * 
 * @author boyan
 * 
 */
public abstract class AbstractRequestCommand implements RequestCommand, MetaEncodeCommand {
    private Integer opaque;
    private String topic;
    static final long serialVersionUID = -1L;


    public AbstractRequestCommand(final String topic, final Integer opaque) {
        super();
        this.topic = topic;
        this.opaque = opaque;
    }


    @Override
    public CommandHeader getRequestHeader() {
        return this;
    }


    @Override
    public Integer getOpaque() {
        return this.opaque;
    }


    public void setOpaque(final Integer opaque) {
        this.opaque = opaque;
    }


    public String getTopic() {
        return this.topic;
    }


    public void setTopic(final String topic) {
        this.topic = topic;
    }


    @Override
    public int hashCode() {
        final int prime = 31;
        int result = 1;
        result = prime * result + (this.opaque == null ? 0 : this.opaque.hashCode());
        result = prime * result + (this.topic == null ? 0 : this.topic.hashCode());
        return result;
    }


    @Override
    public boolean equals(final Object obj) {
        if (this == obj) {
            return true;
        }
        if (obj == null) {
            return false;
        }
        if (this.getClass() != obj.getClass()) {
            return false;
        }
        final AbstractRequestCommand other = (AbstractRequestCommand) obj;
        if (this.opaque == null) {
            if (other.opaque != null) {
                return false;
            }
        }
        else if (!this.opaque.equals(other.opaque)) {
            return false;
        }
        if (this.topic == null) {
            if (other.topic != null) {
                return false;
            }
        }
        else if (!this.topic.equals(other.topic)) {
            return false;
        }
        return true;
    }

}