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[CELEBORN-1700] Flink supports fallback to vanilla Flink built-in shu…
…ffle implementation
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.../src/main/java/org/apache/celeborn/plugin/flink/netty/NettyShuffleEnvironmentWrapper.java
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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. | ||
| */ | ||
|
|
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| package org.apache.celeborn.plugin.flink.netty; | ||
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| import org.apache.flink.runtime.io.network.NettyShuffleEnvironment; | ||
| import org.apache.flink.runtime.io.network.NettyShuffleServiceFactory; | ||
| import org.apache.flink.runtime.io.network.partition.ResultPartitionFactory; | ||
| import org.apache.flink.runtime.io.network.partition.consumer.SingleInputGateFactory; | ||
| import org.apache.flink.runtime.shuffle.ShuffleEnvironmentContext; | ||
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|
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| import org.apache.celeborn.reflect.DynFields; | ||
|
|
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| /** | ||
| * The wrapper of {@link NettyShuffleEnvironment} to generate {@link ResultPartitionFactory} and | ||
| * {@link SingleInputGateFactory}. | ||
| */ | ||
| public class NettyShuffleEnvironmentWrapper { | ||
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|
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| private final NettyShuffleServiceFactory nettyShuffleServiceFactory; | ||
| private final ShuffleEnvironmentContext shuffleEnvironmentContext; | ||
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| private volatile NettyShuffleEnvironment nettyShuffleEnvironment; | ||
| private volatile ResultPartitionFactory nettyResultPartitionFactory; | ||
| private volatile SingleInputGateFactory nettyInputGateFactory; | ||
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| private static final DynFields.UnboundField<ResultPartitionFactory> | ||
| RESULT_PARTITION_FACTORY_FIELD = | ||
| DynFields.builder() | ||
| .hiddenImpl(NettyShuffleEnvironment.class, "resultPartitionFactory") | ||
| .defaultAlwaysNull() | ||
| .build(); | ||
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| private static final DynFields.UnboundField<SingleInputGateFactory> INPUT_GATE_FACTORY_FIELD = | ||
| DynFields.builder() | ||
| .hiddenImpl(NettyShuffleEnvironment.class, "singleInputGateFactory") | ||
| .defaultAlwaysNull() | ||
| .build(); | ||
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| public NettyShuffleEnvironmentWrapper( | ||
| NettyShuffleServiceFactory nettyShuffleServiceFactory, | ||
| ShuffleEnvironmentContext shuffleEnvironmentContext) { | ||
| this.nettyShuffleServiceFactory = nettyShuffleServiceFactory; | ||
| this.shuffleEnvironmentContext = shuffleEnvironmentContext; | ||
| } | ||
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| public NettyShuffleEnvironment nettyShuffleEnvironment() { | ||
| if (nettyShuffleEnvironment == null) { | ||
| synchronized (this) { | ||
| if (nettyShuffleEnvironment == null) { | ||
| nettyShuffleEnvironment = | ||
| nettyShuffleServiceFactory.createShuffleEnvironment(shuffleEnvironmentContext); | ||
| } | ||
| } | ||
| } | ||
| return nettyShuffleEnvironment; | ||
| } | ||
|
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| public ResultPartitionFactory nettyResultPartitionFactory() { | ||
| if (nettyResultPartitionFactory == null) { | ||
| synchronized (this) { | ||
| if (nettyResultPartitionFactory == null) { | ||
| nettyResultPartitionFactory = | ||
| RESULT_PARTITION_FACTORY_FIELD.bind(nettyShuffleEnvironment()).get(); | ||
| } | ||
| } | ||
| } | ||
| return nettyResultPartitionFactory; | ||
| } | ||
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| public SingleInputGateFactory nettyInputGateFactory() { | ||
| if (nettyInputGateFactory == null) { | ||
| synchronized (this) { | ||
| if (nettyInputGateFactory == null) { | ||
| nettyInputGateFactory = INPUT_GATE_FACTORY_FIELD.bind(nettyShuffleEnvironment()).get(); | ||
| } | ||
| } | ||
| } | ||
| return nettyInputGateFactory; | ||
| } | ||
| } |
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