openflowplugin/src/main/java/org/opendaylight/openflowplugin/openflow/md/core/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.openflow.md.core;
   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      * @param corePoolSize
  26      * @param maximumPoolSize
  27      * @param keepAliveTime
  28      * @param unit
  29      * @param workQueue
  30      * @param poolName thread name prefix
  31      */
  32     public ThreadPoolLoggingExecutor(int corePoolSize, int maximumPoolSize,
  33                                      long keepAliveTime, TimeUnit unit, BlockingQueue<Runnable> workQueue,
  34             final String poolName) {
  35         super(corePoolSize, maximumPoolSize, keepAliveTime, unit, workQueue,
  36                 new ThreadFactoryBuilder().setNameFormat(poolName+"-%d").build());
  37     }
  38
  39     @Override
  40     protected void afterExecute(Runnable r, Throwable t) {
  41         super.afterExecute(r, t);
  42         // in case of executing pure Runnable
  43         if (t != null) {
  44             LOG.warn("thread in pool stopped with error", t);
  45         }
  46     }
  47 }