org.apache.flink.runtime.executiongraph.failover.flip1.partitionrelease.PipelinedRegionExecutionView 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
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* 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.HashSet;
import java.util.Set;
import static org.apache.flink.util.Preconditions.checkArgument;
import static org.apache.flink.util.Preconditions.checkNotNull;
/**
* Provides a virtual execution state of a {@link PipelinedRegion}.
*
* A pipelined region can be either finished or unfinished. It is finished iff. all its
* executions have reached the finished state.
*/
class PipelinedRegionExecutionView {
private final PipelinedRegion pipelinedRegion;
private final Set unfinishedVertices;
PipelinedRegionExecutionView(final PipelinedRegion pipelinedRegion) {
this.pipelinedRegion = checkNotNull(pipelinedRegion);
this.unfinishedVertices = new HashSet<>(pipelinedRegion.getExecutionVertexIds());
}
public boolean isFinished() {
return unfinishedVertices.isEmpty();
}
public void vertexFinished(final ExecutionVertexID executionVertexId) {
checkArgument(pipelinedRegion.contains(executionVertexId));
unfinishedVertices.remove(executionVertexId);
}
public void vertexUnfinished(final ExecutionVertexID executionVertexId) {
checkArgument(pipelinedRegion.contains(executionVertexId));
unfinishedVertices.add(executionVertexId);
}
public PipelinedRegion getPipelinedRegion() {
return pipelinedRegion;
}
}