| /* |
| * * |
| * 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.hadoop.util.concurrent; |
| |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| import java.util.concurrent.RejectedExecutionHandler; |
| import java.util.concurrent.ScheduledThreadPoolExecutor; |
| import java.util.concurrent.ThreadFactory; |
| |
| /** An extension of ScheduledThreadPoolExecutor that provides additional |
| * functionality. */ |
| public class HadoopScheduledThreadPoolExecutor extends |
| ScheduledThreadPoolExecutor { |
| |
| private static final Logger LOG = LoggerFactory |
| .getLogger(HadoopScheduledThreadPoolExecutor.class); |
| |
| public HadoopScheduledThreadPoolExecutor(int corePoolSize) { |
| super(corePoolSize); |
| } |
| |
| public HadoopScheduledThreadPoolExecutor(int corePoolSize, |
| ThreadFactory threadFactory) { |
| super(corePoolSize, threadFactory); |
| } |
| |
| public HadoopScheduledThreadPoolExecutor(int corePoolSize, |
| RejectedExecutionHandler handler) { |
| super(corePoolSize, handler); |
| } |
| |
| public HadoopScheduledThreadPoolExecutor(int corePoolSize, |
| ThreadFactory threadFactory, |
| RejectedExecutionHandler handler) { |
| super(corePoolSize, threadFactory, handler); |
| } |
| |
| @Override |
| protected void beforeExecute(Thread t, Runnable r) { |
| if (LOG.isDebugEnabled()) { |
| LOG.debug("beforeExecute in thread: " + Thread.currentThread() |
| .getName() + ", runnable type: " + r.getClass().getName()); |
| } |
| } |
| |
| @Override |
| protected void afterExecute(Runnable r, Throwable t) { |
| super.afterExecute(r, t); |
| ExecutorHelper.logThrowableFromAfterExecute(r, t); |
| } |
| } |