| /* |
| * 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.htrace.wrappers; |
| |
| import java.util.ArrayList; |
| 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; |
| |
| |
| public class TraceExecutorService implements ExecutorService { |
| |
| private final ExecutorService impl; |
| |
| public TraceExecutorService(ExecutorService impl) { |
| this.impl = impl; |
| } |
| |
| @Override |
| public void execute(Runnable command) { |
| impl.execute(new TraceRunnable(command)); |
| } |
| |
| @Override |
| public void shutdown() { |
| impl.shutdown(); |
| } |
| |
| @Override |
| public List<Runnable> shutdownNow() { |
| return impl.shutdownNow(); |
| } |
| |
| @Override |
| public boolean isShutdown() { |
| return impl.isShutdown(); |
| } |
| |
| @Override |
| public boolean isTerminated() { |
| return impl.isTerminated(); |
| } |
| |
| @Override |
| public boolean awaitTermination(long timeout, TimeUnit unit) |
| throws InterruptedException { |
| return impl.awaitTermination(timeout, unit); |
| } |
| |
| @Override |
| public <T> Future<T> submit(Callable<T> task) { |
| return impl.submit(new TraceCallable<T>(task)); |
| } |
| |
| @Override |
| public <T> Future<T> submit(Runnable task, T result) { |
| return impl.submit(new TraceRunnable(task), result); |
| } |
| |
| @Override |
| public Future<?> submit(Runnable task) { |
| return impl.submit(new TraceRunnable(task)); |
| } |
| |
| private <T> Collection<? extends Callable<T>> wrapCollection( |
| Collection<? extends Callable<T>> tasks) { |
| List<Callable<T>> result = new ArrayList<Callable<T>>(); |
| for (Callable<T> task : tasks) { |
| result.add(new TraceCallable<T>(task)); |
| } |
| return result; |
| } |
| |
| @Override |
| public <T> List<Future<T>> invokeAll(Collection<? extends Callable<T>> tasks) |
| throws InterruptedException { |
| return impl.invokeAll(wrapCollection(tasks)); |
| } |
| |
| @Override |
| public <T> List<Future<T>> invokeAll(Collection<? extends Callable<T>> tasks, |
| long timeout, TimeUnit unit) throws InterruptedException { |
| return impl.invokeAll(wrapCollection(tasks), timeout, unit); |
| } |
| |
| @Override |
| public <T> T invokeAny(Collection<? extends Callable<T>> tasks) |
| throws InterruptedException, ExecutionException { |
| return impl.invokeAny(wrapCollection(tasks)); |
| } |
| |
| @Override |
| public <T> T invokeAny(Collection<? extends Callable<T>> tasks, long timeout, |
| TimeUnit unit) throws InterruptedException, ExecutionException, |
| TimeoutException { |
| return impl.invokeAny(wrapCollection(tasks), timeout, unit); |
| } |
| |
| } |