openflowplugin-impl/src/main/java/org/opendaylight/openflowplugin/impl/util/ThreadPoolLoggingExecutor.java

   1 /*
   2  * Copyright (c) 2013 Cisco Systems, Inc. and others.  All rights reserved.
   3  *
   4  * This program and the accompanying materials are made available under the
   5  * terms of the Eclipse Public License v1.0 which accompanies this distribution,
   6  * and is available at http://www.eclipse.org/legal/epl-v10.html
   7  */
   8 package org.opendaylight.openflowplugin.impl.util;
   9
  10 import com.google.common.util.concurrent.ThreadFactoryBuilder;
  11 import java.util.concurrent.BlockingQueue;
  12 import java.util.concurrent.ThreadPoolExecutor;
  13 import java.util.concurrent.TimeUnit;
  14 import org.slf4j.Logger;
  15 import org.slf4j.LoggerFactory;
  16
  17 /**
  18  * threadPoolExecutor implementation logging exceptions thrown by threads.
  19  */
  20 public class ThreadPoolLoggingExecutor extends ThreadPoolExecutor {
  21
  22     private static final Logger LOG = LoggerFactory.getLogger(ThreadPoolLoggingExecutor.class);
  23
  24     /**
  25      * Logging executor.
  26      *
  27      * @param corePoolSize thread pool size
  28      * @param maximumPoolSize maximum pool size
  29      * @param keepAliveTime keep alive time
  30      * @param unit time unit
  31      * @param workQueue task queue
  32      * @param poolName thread name prefix
  33      */
  34     public ThreadPoolLoggingExecutor(int corePoolSize, int maximumPoolSize, long keepAliveTime, TimeUnit unit,
  35                                      BlockingQueue<Runnable> workQueue, final String poolName) {
  36         super(corePoolSize, maximumPoolSize, keepAliveTime, unit, workQueue,
  37               new ThreadFactoryBuilder().setNameFormat(poolName + "-%d").build());
  38     }
  39
  40     @Override
  41     protected void afterExecute(Runnable runnable, Throwable throwable) {
  42         super.afterExecute(runnable, throwable);
  43         // in case of executing pure Runnable
  44         if (throwable != null) {
  45             LOG.warn("thread in pool stopped with error", throwable);
  46         }
  47     }
  48 }