org.apache.flink.runtime.executiongraph.failover.flip1.partitionrelease.NotReleasingPartitionReleaseStrategy 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.jobgraph.IntermediateResultPartitionID;
import org.apache.flink.runtime.scheduler.strategy.ExecutionVertexID;
import org.apache.flink.runtime.scheduler.strategy.SchedulingTopology;
import java.util.Collections;
import java.util.List;
/**
* Does not release intermediate result partitions during job execution. Relies on partitions being
* released at the end of the job.
*/
public class NotReleasingPartitionReleaseStrategy implements PartitionReleaseStrategy {
@Override
public List vertexFinished(final ExecutionVertexID finishedVertex) {
return Collections.emptyList();
}
@Override
public void vertexUnfinished(final ExecutionVertexID executionVertexID) {
}
/**
* Factory for {@link NotReleasingPartitionReleaseStrategy}.
*/
public static class Factory implements PartitionReleaseStrategy.Factory {
@Override
public PartitionReleaseStrategy createInstance(final SchedulingTopology schedulingStrategy) {
return new NotReleasingPartitionReleaseStrategy();
}
}
}