org.apache.flink.runtime.scheduler.strategy.ExecutionVertexID 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.scheduler.strategy;
import org.apache.flink.runtime.executiongraph.ExecutionVertex;
import org.apache.flink.runtime.jobgraph.JobVertexID;
import static org.apache.flink.util.Preconditions.checkArgument;
import static org.apache.flink.util.Preconditions.checkNotNull;
/**
* Id identifying {@link ExecutionVertex}.
*/
public class ExecutionVertexID {
private final JobVertexID jobVertexId;
private final int subtaskIndex;
public ExecutionVertexID(JobVertexID jobVertexId, int subtaskIndex) {
checkArgument(subtaskIndex >= 0, "subtaskIndex must be greater than or equal to 0");
this.jobVertexId = checkNotNull(jobVertexId);
this.subtaskIndex = subtaskIndex;
}
public JobVertexID getJobVertexId() {
return jobVertexId;
}
public int getSubtaskIndex() {
return subtaskIndex;
}
@Override
public boolean equals(Object o) {
if (this == o) {
return true;
}
if (o == null || getClass() != o.getClass()) {
return false;
}
ExecutionVertexID that = (ExecutionVertexID) o;
return subtaskIndex == that.subtaskIndex && jobVertexId.equals(that.jobVertexId);
}
@Override
public int hashCode() {
int result = jobVertexId.hashCode();
result = 31 * result + subtaskIndex;
return result;
}
@Override
public String toString() {
return jobVertexId + "_" + subtaskIndex;
}
}