org.apache.gobblin.util.executors.MDCPropagatingExecutorService.java Source code

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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.
 */
package org.apache.gobblin.util.executors;

import com.google.common.util.concurrent.ForwardingListeningExecutorService;
import com.google.common.util.concurrent.ListenableFuture;
import com.google.common.util.concurrent.ListeningExecutorService;
import com.google.common.util.concurrent.MoreExecutors;

import java.util.concurrent.Callable;
import java.util.concurrent.ExecutorService;

public class MDCPropagatingExecutorService extends ForwardingListeningExecutorService {
    private ListeningExecutorService executorService;

    public MDCPropagatingExecutorService(ExecutorService executorService) {
        if (executorService instanceof ListeningExecutorService) {
            this.executorService = (ListeningExecutorService) executorService;
        } else {
            this.executorService = MoreExecutors.listeningDecorator(executorService);
        }
    }

    @Override
    protected ListeningExecutorService delegate() {
        return this.executorService;
    }

    @Override
    public void execute(Runnable command) {
        super.execute(new MDCPropagatingRunnable(command));
    }

    @Override
    public <T> ListenableFuture<T> submit(Callable<T> task) {
        return super.submit(new MDCPropagatingCallable<T>(task));
    }

    @Override
    public ListenableFuture<?> submit(Runnable task) {
        return super.submit(new MDCPropagatingRunnable(task));
    }

    @Override
    public <T> ListenableFuture<T> submit(Runnable task, T result) {
        return super.submit(new MDCPropagatingRunnable(task), result);
    }
}