org.apache.flink.runtime.messages.checkpoint.TriggerCheckpoint 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.messages.checkpoint;
import org.apache.flink.api.common.JobID;
import org.apache.flink.runtime.checkpoint.CheckpointOptions;
import org.apache.flink.runtime.executiongraph.ExecutionAttemptID;
import static org.apache.flink.util.Preconditions.checkNotNull;
/**
* This message is sent from the {@link org.apache.flink.runtime.jobmaster.JobMaster} to the
* {@link org.apache.flink.runtime.taskexecutor.TaskExecutor} to tell a certain task to trigger its
* checkpoint.
*/
public class TriggerCheckpoint extends AbstractCheckpointMessage {
private static final long serialVersionUID = 2094094662279578953L;
/** The timestamp associated with the checkpoint. */
private final long timestamp;
/** Options for how to perform the checkpoint. */
private final CheckpointOptions checkpointOptions;
public TriggerCheckpoint(
JobID job,
ExecutionAttemptID taskExecutionId,
long checkpointId,
long timestamp,
CheckpointOptions checkpointOptions) {
super(job, taskExecutionId, checkpointId);
this.timestamp = timestamp;
this.checkpointOptions = checkNotNull(checkpointOptions);
}
// --------------------------------------------------------------------------------------------
public long getTimestamp() {
return timestamp;
}
public CheckpointOptions getCheckpointOptions() {
return checkpointOptions;
}
// --------------------------------------------------------------------------------------------
@Override
public int hashCode() {
return super.hashCode() + (int) (timestamp ^ (timestamp >>> 32));
}
@Override
public boolean equals(Object o) {
if (this == o) {
return true;
}
else if (o instanceof TriggerCheckpoint) {
TriggerCheckpoint that = (TriggerCheckpoint) o;
return this.timestamp == that.timestamp && super.equals(o);
}
else {
return false;
}
}
@Override
public String toString() {
return String.format(
"Trigger Checkpoint %d@%d for (%s/%s)",
getCheckpointId(),
getTimestamp(),
getJob(),
getTaskExecutionId());
}
}