ExplicitRunExecutorService.java

/*
 * Copyright 2016-present Facebook, Inc.
 *
 * 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.facebook.buck.util.concurrent;

import java.util.ArrayDeque;
import java.util.Deque;

public class ExplicitRunExecutorService extends FakeListeningExecutorService {
  private Deque<Runnable> runnables = new ArrayDeque<>();

  public void run() {
    while (!runnables.isEmpty()) {
      Runnable next = runnables.remove();
      next.run();
    }
  }

  @Override
  public void shutdown() {
    run();
    super.shutdown();
  }

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