org.apache.flink.runtime.executiongraph.ExecutionGraphResultPartitionFailureChecker 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,
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* See the License for the specific language governing permissions and
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*/
package org.apache.flink.runtime.executiongraph;
import org.apache.flink.runtime.executiongraph.failover.ResultPartitionFailureChecker;
import org.apache.flink.runtime.io.network.partition.ResultPartitionID;
import org.apache.flink.runtime.jobgraph.IntermediateResultPartitionID;
import java.util.function.Function;
import static org.apache.flink.util.Preconditions.checkNotNull;
/**
* A {@link ResultPartitionFailureChecker} which helps to check the intermediate result partition failure
* based on whether the corresponding result partition in the execution graph is marked as failed.
*/
public class ExecutionGraphResultPartitionFailureChecker implements ResultPartitionFailureChecker {
/** The function maps an IntermediateResultPartitionID to a ResultPartitionID. */
private final Function partitionIDMapper;
/** The job master partition tracker. */
private final JobMasterPartitionTrackerWrapper jobMasterPartitionTrackerWrapper;
ExecutionGraphResultPartitionFailureChecker(
final Function partitionIDMapper,
final JobMasterPartitionTrackerWrapper jobMasterPartitionTrackerWrapper) {
this.partitionIDMapper = checkNotNull(partitionIDMapper);
this.jobMasterPartitionTrackerWrapper = checkNotNull(jobMasterPartitionTrackerWrapper);
}
@Override
public boolean isFailed(IntermediateResultPartitionID resultPartitionID) {
return jobMasterPartitionTrackerWrapper.isPartitionFailed(partitionIDMapper.apply(resultPartitionID));
}
}