com.alibaba.rocketmq.common.DataVersion Maven / Gradle / Ivy
/**
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You 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 com.alibaba.rocketmq.common;
import com.alibaba.rocketmq.remoting.protocol.RemotingSerializable;
import java.util.concurrent.atomic.AtomicLong;
/**
* @author shijia.wxr
*/
public class DataVersion extends RemotingSerializable {
private long timestatmp = System.currentTimeMillis();
private AtomicLong counter = new AtomicLong(0);
public void assignNewOne(final DataVersion dataVersion) {
this.timestatmp = dataVersion.timestatmp;
this.counter.set(dataVersion.counter.get());
}
public void nextVersion() {
this.timestatmp = System.currentTimeMillis();
this.counter.incrementAndGet();
}
public long getTimestatmp() {
return timestatmp;
}
public void setTimestatmp(long timestatmp) {
this.timestatmp = timestatmp;
}
public AtomicLong getCounter() {
return counter;
}
public void setCounter(AtomicLong counter) {
this.counter = counter;
}
@Override
public boolean equals(Object obj) {
DataVersion dv = (DataVersion) obj;
return this.timestatmp == dv.timestatmp && this.counter.get() == dv.counter.get();
}
}