ThreadExecutor.java

/*
 * Copyright (C) 2014 Jorge Castillo Pérez
 *
 * 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.github.jorgecastilloprz.fabprogresscircle.executor;

import java.util.concurrent.BlockingQueue;
import java.util.concurrent.LinkedBlockingQueue;
import java.util.concurrent.ThreadPoolExecutor;
import java.util.concurrent.TimeUnit;

/**
 * Interactor dispatcher. Contains the initial executor setup.
 * Using {@link ThreadPoolExecutor} as the executor implementation.
 * *
 * Created by jorge on 11/01/15.
 */
public class ThreadExecutor {

  private static final int CORE_POOL_SIZE = 3;
  private static final int MAX_POOL_SIZE = 5;
  private static final int KEEP_ALIVE_TIME = 120;
  private static final TimeUnit TIME_UNIT = TimeUnit.SECONDS;
  private static final BlockingQueue<Runnable> WORK_QUEUE = new LinkedBlockingQueue<>();

  private ThreadPoolExecutor threadPoolExecutor;

  public ThreadExecutor() {
    threadPoolExecutor =
        new ThreadPoolExecutor(CORE_POOL_SIZE, MAX_POOL_SIZE, KEEP_ALIVE_TIME, TIME_UNIT,
            WORK_QUEUE);
  }

  public void run(final Interactor interactor) {
    if (interactor == null) {
      throw new IllegalArgumentException("Interactor must not be null");
    }
    threadPoolExecutor.submit(new Runnable() {
      @Override public void run() {
        interactor.run();
      }
    });
  }
}