/*
 * JBoss, Home of Professional Open Source
 * Copyright 2014, Red Hat, Inc., and individual contributors
 * by the @authors tag. See the copyright.txt in the distribution for a
 * full listing of individual contributors.
 *
 * 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 org.jboss.weld.util;

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;

/**
 * Forwarding implementation of ExecutorService
 *
 * @author Jozef Hartinger
 *
 */
public abstract class ForwardingExecutorService implements ExecutorService {

    protected abstract ExecutorService delegate();

    @Override
    public void execute(Runnable command) {
        delegate().execute(command);
    }

    @Override
    public void shutdown() {
        delegate().shutdown();
    }

    @Override
    public List<Runnable> shutdownNow() {
        return delegate().shutdownNow();
    }

    @Override
    public boolean isShutdown() {
        return delegate().isShutdown();
    }

    @Override
    public boolean isTerminated() {
        return delegate().isTerminated();
    }

    @Override
    public boolean awaitTermination(long timeout, TimeUnit unit) throws InterruptedException {
        return delegate().awaitTermination(timeout, unit);
    }

    @Override
    public <T> Future<T> submit(Callable<T> task) {
        return delegate().submit(task);
    }

    @Override
    public <T> Future<T> submit(Runnable task, T result) {
        return delegate().submit(task, result);
    }

    @Override
    public Future<?> submit(Runnable task) {
        return delegate().submit(task);
    }

    @Override
    public <T> List<Future<T>> invokeAll(Collection<? extends Callable<T>> tasks) throws InterruptedException {
        return delegate().invokeAll(tasks);
    }

    @Override
    public <T> List<Future<T>> invokeAll(Collection<? extends Callable<T>> tasks, long timeout, TimeUnit unit) throws InterruptedException {
        return delegate().invokeAll(tasks, timeout, unit);
    }

    @Override
    public <T> T invokeAny(Collection<? extends Callable<T>> tasks) throws InterruptedException, ExecutionException {
        return delegate().invokeAny(tasks);
    }

    @Override
    public <T> T invokeAny(Collection<? extends Callable<T>> tasks, long timeout, TimeUnit unit) throws InterruptedException, ExecutionException,
            TimeoutException {
        return delegate().invokeAny(tasks, timeout, unit);
    }
}