org.apache.flink.runtime.io.network.partition.external.LocalResultPartitionResolverFactory Maven / Gradle / Ivy
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* Licensed to the Apache Software Foundation (ASF) under one
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* distributed with this work for additional information
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* 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
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package org.apache.flink.runtime.io.network.partition.external;
import java.lang.reflect.Constructor;
import static org.apache.flink.util.Preconditions.checkArgument;
public class LocalResultPartitionResolverFactory {
static LocalResultPartitionResolver create(
ExternalBlockShuffleServiceConfiguration shuffleServiceConfiguration) throws Exception {
String className = shuffleServiceConfiguration.getConfiguration().getString(
ExternalBlockShuffleServiceOptions.LOCAL_RESULT_PARTITION_RESOLVER_CLASS);
checkArgument(className != null, "Need to configure for " +
ExternalBlockShuffleServiceOptions.LOCAL_RESULT_PARTITION_RESOLVER_CLASS.key());
Class cls = Class.forName(className);
Constructor constructor = cls.getDeclaredConstructor(ExternalBlockShuffleServiceConfiguration.class);
LocalResultPartitionResolver resolver =
(LocalResultPartitionResolver) constructor.newInstance(shuffleServiceConfiguration);
return resolver;
}
}