| /* |
| * 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.hudi.execution; |
| |
| import org.apache.hudi.common.util.Option; |
| import org.apache.hudi.common.util.queue.BoundedInMemoryExecutor; |
| import org.apache.hudi.common.util.queue.BoundedInMemoryQueueConsumer; |
| import org.apache.hudi.common.util.queue.BoundedInMemoryQueueProducer; |
| import org.apache.hudi.common.util.queue.IteratorBasedQueueProducer; |
| import org.apache.hudi.config.HoodieWriteConfig; |
| |
| import org.apache.spark.TaskContext; |
| import org.apache.spark.TaskContext$; |
| |
| import java.util.Iterator; |
| import java.util.function.Function; |
| |
| public class SparkBoundedInMemoryExecutor<I, O, E> extends BoundedInMemoryExecutor<I, O, E> { |
| |
| // Need to set current spark thread's TaskContext into newly launched thread so that new thread can access |
| // TaskContext properties. |
| final TaskContext sparkThreadTaskContext; |
| |
| public SparkBoundedInMemoryExecutor(final HoodieWriteConfig hoodieConfig, final Iterator<I> inputItr, |
| BoundedInMemoryQueueConsumer<O, E> consumer, Function<I, O> bufferedIteratorTransform) { |
| this(hoodieConfig, new IteratorBasedQueueProducer<>(inputItr), consumer, bufferedIteratorTransform); |
| } |
| |
| public SparkBoundedInMemoryExecutor(final HoodieWriteConfig hoodieConfig, BoundedInMemoryQueueProducer<I> producer, |
| BoundedInMemoryQueueConsumer<O, E> consumer, Function<I, O> bufferedIteratorTransform) { |
| super(hoodieConfig.getWriteBufferLimitBytes(), producer, Option.of(consumer), bufferedIteratorTransform); |
| this.sparkThreadTaskContext = TaskContext.get(); |
| } |
| |
| @Override |
| public void preExecute() { |
| // Passing parent thread's TaskContext to newly launched thread for it to access original TaskContext properties. |
| TaskContext$.MODULE$.setTaskContext(sparkThreadTaskContext); |
| } |
| } |