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// Copyright (C) 2018 The Android Open Source Project
//
// Licensed 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 com.google.gerrit.server.logging;
import static java.util.stream.Collectors.toList;
import java.util.Collection;
import java.util.List;
import java.util.concurrent.Callable;
import java.util.concurrent.ExecutionException;
import java.util.concurrent.ExecutorService;
import java.util.concurrent.Future;
import java.util.concurrent.TimeUnit;
import java.util.concurrent.TimeoutException;
/**
* An {@link ExecutorService} that copies the {@link LoggingContext} on executing a {@link Runnable}
* to the executing thread.
*/
public class LoggingContextAwareExecutorService implements ExecutorService {
private final ExecutorService executorService;
public LoggingContextAwareExecutorService(ExecutorService executorService) {
this.executorService = executorService;
}
@Override
public void execute(Runnable command) {
executorService.execute(LoggingContext.copy(command));
}
@Override
public void shutdown() {
executorService.shutdown();
}
@Override
public List<Runnable> shutdownNow() {
return executorService.shutdownNow();
}
@Override
public boolean isShutdown() {
return executorService.isShutdown();
}
@Override
public boolean isTerminated() {
return executorService.isTerminated();
}
@Override
public boolean awaitTermination(long timeout, TimeUnit unit) throws InterruptedException {
return executorService.awaitTermination(timeout, unit);
}
@Override
public <T> Future<T> submit(Callable<T> task) {
return executorService.submit(LoggingContext.copy(task));
}
@Override
public <T> Future<T> submit(Runnable task, T result) {
return executorService.submit(LoggingContext.copy(task), result);
}
@Override
public Future<?> submit(Runnable task) {
return executorService.submit(LoggingContext.copy(task));
}
@Override
public <T> List<Future<T>> invokeAll(Collection<? extends Callable<T>> tasks)
throws InterruptedException {
return executorService.invokeAll(tasks.stream().map(LoggingContext::copy).collect(toList()));
}
@Override
public <T> List<Future<T>> invokeAll(
Collection<? extends Callable<T>> tasks, long timeout, TimeUnit unit)
throws InterruptedException {
return executorService.invokeAll(
tasks.stream().map(LoggingContext::copy).collect(toList()), timeout, unit);
}
@Override
public <T> T invokeAny(Collection<? extends Callable<T>> tasks)
throws InterruptedException, ExecutionException {
return executorService.invokeAny(tasks.stream().map(LoggingContext::copy).collect(toList()));
}
@Override
public <T> T invokeAny(Collection<? extends Callable<T>> tasks, long timeout, TimeUnit unit)
throws InterruptedException, ExecutionException, TimeoutException {
return executorService.invokeAny(
tasks.stream().map(LoggingContext::copy).collect(toList()), timeout, unit);
}
}
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