InterminableExecutorService.java

/*
 * Copyright 2016 LINE Corporation
 *
 * LINE Corporation 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 com.linecorp.armeria.server;

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;

final class InterminableExecutorService implements ExecutorService {

    private final ExecutorService executor;

    InterminableExecutorService(ExecutorService executor) {
        this.executor = executor;
    }

    @Override
    public void shutdown() {
        throw new UnsupportedOperationException();
    }

    @Override
    public List<Runnable> shutdownNow() {
        throw new UnsupportedOperationException();
    }

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

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

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

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

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

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

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

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

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

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

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

    @Override
    public String toString() {
        return executor.toString();
    }
}