common/src/main/java/com/datatorrent/common/util/ScheduledThreadPoolExecutor.java

/**
 * Copyright (C) 2015 DataTorrent, 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.datatorrent.common.util;


import org.slf4j.Logger;
import org.slf4j.LoggerFactory;


/**
 * <p>ScheduledThreadPoolExecutor class.</p>
 *
 * @since 0.3.2
 */
public class ScheduledThreadPoolExecutor extends java.util.concurrent.ScheduledThreadPoolExecutor implements ScheduledExecutorService
{
  public static final Logger logger = LoggerFactory.getLogger(ScheduledExecutorService.class);

  public ScheduledThreadPoolExecutor(int corePoolSize, String executorName)
  {
    super(corePoolSize, new NameableThreadFactory(executorName));
  }

  /**
   *
   * @return long
   */
  @Override
  public final long getCurrentTimeMillis()
  {
    return System.currentTimeMillis();
  }

  @Override
  protected void afterExecute(Runnable r, Throwable t)
  {
    super.afterExecute(r, t);
    if (t != null) {
      logger.error("Scheduled task {} died with {}", r, t);
    }
  }
}