/*
* (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:
* dogun (yuexuqiang at gmail.com)
*/
package com.taobao.common.store.util;
import java.io.Serializable;
/**
* ����byte[]��Ϊmap��keyʱ�������ÿ�ε�key����һ�������Ա����װһ�¡� <br />
* ������Ƿ�װ��byte[]
*
* @author dogun (yuexuqiang at gmail.com)
*/
public class BytesKey implements Serializable {
/**
* serialVersionUID
*/
private static final long serialVersionUID = -6296965387124592707L;
private byte[] data;
public BytesKey(final byte[] data) {
this.data = data;
}
/**
* @return the data
*/
public byte[] getData() {
return data;
}
/**
* @param data
* the data to set
*/
public void setData(final byte[] data) {
this.data = data;
}
@Override
public int hashCode() {
int h = 0;
if (null != this.data) {
for (int i = 0; i < this.data.length; i++) {
h = 31 * h + data[i++];
}
}
return h;
}
@Override
public boolean equals(final Object o) {
if (null == o || !(o instanceof BytesKey)) {
return false;
}
final BytesKey k = (BytesKey) o;
if (null == k.getData() && null == this.getData()) {
return true;
}
if (null == k.getData() || null == this.getData()) {
return false;
}
if (k.getData().length != this.getData().length) {
return false;
}
for (int i = 0; i < this.data.length; ++i) {
if (this.data[i] != k.getData()[i]) {
return false;
}
}
return true;
}
}