/*
* (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 java.util.Arrays;
import com.taobao.gecko.core.buffer.IoBuffer;
/**
* ͬ�����ƣ�master/slave������Ϣ��Э��,Э���ʽ���£�</br> sync topic partition value-length flag
* msgId checksum opaque\r\ndata
*
* @author boyan(boyan@taobao.com)
* @date 2011-12-14
*
*/
public class SyncCommand extends PutCommand {
private final long msgId;
public SyncCommand(final String topic, final int partition, final byte[] data, final int flag, final long msgId,
int checksum, final Integer opaque) {
super(topic, partition, data, flag, checksum, null, opaque);
this.msgId = msgId;
}
public long getMsgId() {
return this.msgId;
}
@Override
public IoBuffer encode() {
final int dataLen = this.data == null ? 0 : this.data.length;
final IoBuffer buffer =
IoBuffer.allocate(13 + ByteUtils.stringSize(this.partition) + ByteUtils.stringSize(dataLen)
+ ByteUtils.stringSize(this.getOpaque()) + this.getTopic().length()
+ ByteUtils.stringSize(this.msgId) + ByteUtils.stringSize(this.flag)
+ ByteUtils.stringSize(this.checkSum) + dataLen);
ByteUtils.setArguments(buffer, MetaEncodeCommand.SYNC_CMD, this.getTopic(), this.partition, dataLen, this.flag,
this.msgId, this.checkSum, this.getOpaque());
if (this.data != null) {
buffer.put(this.data);
}
buffer.flip();
return buffer;
}
@Override
public int hashCode() {
final int prime = 31;
int result = super.hashCode();
result = prime * result + (int) (this.msgId ^ this.msgId >>> 32);
return result;
}
@Override
public boolean equals(final Object obj) {
if (this == obj) {
return true;
}
if (!super.equals(obj)) {
return false;
}
if (this.getClass() != obj.getClass()) {
return false;
}
final SyncCommand other = (SyncCommand) obj;
if (this.msgId != other.msgId) {
return false;
}
return true;
}
@Override
public String toString() {
return "SyncCommand [msgId=" + this.msgId + ", data=" + Arrays.toString(this.data) + ", partition="
+ this.partition + ", flag=" + this.flag + ", checkSum=" + this.checkSum + "]";
}
}