org.apache.flink.runtime.checkpoint.stats.CheckpointStats 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 org.apache.flink.runtime.checkpoint.stats;
/**
* Statistics for a specific checkpoint.
*/
public class CheckpointStats {
/** ID of the checkpoint. */
private final long checkpointId;
/** Timestamp when the checkpoint was triggered. */
private final long triggerTimestamp;
/** Duration of the checkpoint in milliseconds. */
private final long duration;
/** State size in bytes. */
private final long stateSize;
/**
* Creates a checkpoint statistic.
*
* @param checkpointId Checkpoint ID
* @param triggerTimestamp Timestamp when the checkpoint was triggered
* @param duration Duration (in milliseconds)
* @param stateSize State size (in bytes)
*/
public CheckpointStats(
long checkpointId,
long triggerTimestamp,
long duration,
long stateSize) {
this.checkpointId = checkpointId;
this.triggerTimestamp = triggerTimestamp;
this.duration = duration;
this.stateSize = stateSize;
}
/**
* Returns the ID of the checkpoint.
*
* @return ID of the checkpoint.
*/
public long getCheckpointId() {
return checkpointId;
}
/**
* Returns the timestamp when the checkpoint was triggered.
*
* @return Timestamp when the checkpoint was triggered.
*/
public long getTriggerTimestamp() {
return triggerTimestamp;
}
/**
* Returns the duration in milliseconds.
*
* @return Duration in milliseconds.
*/
public long getDuration() {
return duration;
}
/**
* Returns the state size in bytes.
*
* @return The state size in bytes.
*/
public long getStateSize() {
return stateSize;
}
@Override
public String toString() {
return "CheckpointStats{" +
"checkpointId=" + checkpointId +
", triggerTimestamp=" + triggerTimestamp +
", duration=" + duration +
", stateSize=" + stateSize +
'}';
}
@Override
public boolean equals(Object o) {
if (this == o) {
return true;
}
if (o == null || getClass() != o.getClass()) {
return false;
}
CheckpointStats that = (CheckpointStats) o;
return checkpointId == that.checkpointId &&
triggerTimestamp == that.triggerTimestamp &&
duration == that.duration &&
stateSize == that.stateSize;
}
@Override
public int hashCode() {
int result = (int) (checkpointId ^ (checkpointId >>> 32));
result = 31 * result + (int) (triggerTimestamp ^ (triggerTimestamp >>> 32));
result = 31 * result + (int) (duration ^ (duration >>> 32));
result = 31 * result + (int) (stateSize ^ (stateSize >>> 32));
return result;
}
}