org.apache.flink.runtime.executiongraph.failover.flip1.ResultPartitionAvailabilityChecker 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.executiongraph.failover.flip1;
import org.apache.flink.runtime.jobgraph.IntermediateResultPartitionID;
/**
* This checker helps to query result partition availability.
*/
public interface ResultPartitionAvailabilityChecker {
/**
* Returns whether the given partition is available.
*
* @param resultPartitionID ID of the result partition to query
* @return whether the given partition is available
*/
boolean isAvailable(IntermediateResultPartitionID resultPartitionID);
}