org.apache.flink.runtime.checkpoint.CheckpointMetaData Maven / Gradle / Ivy
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* 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 org.apache.flink.runtime.checkpoint;
import java.io.Serializable;
/** Encapsulates all the meta data for a checkpoint. */
public class CheckpointMetaData implements Serializable {
private static final long serialVersionUID = -2387652345781312442L;
/** The ID of the checkpoint. */
private final long checkpointId;
/** The timestamp of the checkpoint triggering. */
private final long timestamp;
/** The timestamp of the checkpoint receiving by this subtask. */
private final long receiveTimestamp;
public CheckpointMetaData(long checkpointId, long timestamp) {
this(checkpointId, timestamp, System.currentTimeMillis());
}
public CheckpointMetaData(long checkpointId, long timestamp, long receiveTimestamp) {
this.checkpointId = checkpointId;
this.timestamp = timestamp;
this.receiveTimestamp = receiveTimestamp;
}
public long getCheckpointId() {
return checkpointId;
}
public long getTimestamp() {
return timestamp;
}
public long getReceiveTimestamp() {
return receiveTimestamp;
}
@Override
public boolean equals(Object o) {
if (this == o) {
return true;
}
if (o == null || getClass() != o.getClass()) {
return false;
}
CheckpointMetaData that = (CheckpointMetaData) o;
return (checkpointId == that.checkpointId)
&& (timestamp == that.timestamp)
&& (receiveTimestamp == that.receiveTimestamp);
}
@Override
public int hashCode() {
int result = (int) (checkpointId ^ (checkpointId >>> 32));
result = 31 * result + (int) (timestamp ^ (timestamp >>> 32));
result = 31 * result + (int) (receiveTimestamp ^ (receiveTimestamp >>> 32));
return result;
}
@Override
public String toString() {
return "CheckpointMetaData{"
+ "checkpointId="
+ checkpointId
+ ", receiveTimestamp="
+ receiveTimestamp
+ ", timestamp="
+ timestamp
+ '}';
}
}