/**
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF 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 org.apache.hive.service.cli.thrift;

import java.util.concurrent.BlockingQueue;
import java.util.concurrent.Future;
import java.util.concurrent.ThreadFactory;
import java.util.concurrent.ThreadPoolExecutor;
import java.util.concurrent.TimeUnit;

final class ThreadPoolExecutorWithOomHook extends ThreadPoolExecutor {
  private final Runnable oomHook;

  public ThreadPoolExecutorWithOomHook(int corePoolSize, int maximumPoolSize, long keepAliveTime,
      TimeUnit unit, BlockingQueue<Runnable> workQueue, ThreadFactory threadFactory,
      Runnable oomHook) {
    super(corePoolSize, maximumPoolSize, keepAliveTime, unit, workQueue, threadFactory);
    this.oomHook = oomHook;
  }

  @Override
  protected void afterExecute(Runnable r, Throwable t) {
    super.afterExecute(r, t);
    if (t == null && r instanceof Future<?>) {
      try {
        Future<?> future = (Future<?>) r;
        if (future.isDone()) {
          future.get();
        }
      } catch (InterruptedException ie) {
        Thread.currentThread().interrupt();
      } catch (Throwable t2) {
        t = t2;
      }
    }
    if (t instanceof OutOfMemoryError) {
      oomHook.run();
    }
  }
}