org.apache.flink.runtime.executiongraph.failover.flip1.partitionrelease.PipelinedRegion 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.executiongraph.failover.flip1.partitionrelease;
import org.apache.flink.runtime.scheduler.strategy.ExecutionVertexID;
import java.util.Arrays;
import java.util.HashSet;
import java.util.Iterator;
import java.util.Set;
import static org.apache.flink.util.Preconditions.checkNotNull;
/**
* Set of execution vertices that are connected through pipelined intermediate result partitions.
*/
public class PipelinedRegion implements Iterable {
private final Set executionVertexIds;
private PipelinedRegion(final Set executionVertexIds) {
this.executionVertexIds = new HashSet<>(checkNotNull(executionVertexIds));
}
public static PipelinedRegion from(final Set executionVertexIds) {
return new PipelinedRegion(executionVertexIds);
}
public static PipelinedRegion from(final ExecutionVertexID... executionVertexIds) {
return new PipelinedRegion(new HashSet<>(Arrays.asList(executionVertexIds)));
}
public Set getExecutionVertexIds() {
return executionVertexIds;
}
public boolean contains(final ExecutionVertexID executionVertexId) {
return executionVertexIds.contains(executionVertexId);
}
@Override
public Iterator iterator() {
return executionVertexIds.iterator();
}
@Override
public String toString() {
return "PipelinedRegion{" +
"executionVertexIds=" + executionVertexIds +
'}';
}
}