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 java.util.concurrent.BlockingQueue;
  11 import java.util.concurrent.ThreadPoolExecutor;
  12 import java.util.concurrent.TimeUnit;
  13
  14 import org.slf4j.Logger;
  15 import org.slf4j.LoggerFactory;
  16
  17 import com.google.common.util.concurrent.ThreadFactoryBuilder;
  18
  19 /**
  20  * threadPoolExecutor implementation logging exceptions thrown by threads
  21  */
  22 public class ThreadPoolLoggingExecutor extends ThreadPoolExecutor {
  23
  24     private static Logger LOG = LoggerFactory.getLogger(ThreadPoolLoggingExecutor.class);
  25
  26     /**
  27      * @param corePoolSize
  28      * @param maximumPoolSize
  29      * @param keepAliveTime
  30      * @param unit
  31      * @param workQueue
  32      * @param poolName thread name prefix
  33      */
  34     public ThreadPoolLoggingExecutor(int corePoolSize, int maximumPoolSize,
  35             long keepAliveTime, TimeUnit unit, BlockingQueue<Runnable> workQueue,
  36             final String poolName) {
  37         super(corePoolSize, maximumPoolSize, keepAliveTime, unit, workQueue,
  38                 new ThreadFactoryBuilder().setNameFormat(poolName+"-%d").build());
  39     }
  40
  41     @Override
  42     protected void afterExecute(Runnable r, Throwable t) {
  43         super.afterExecute(r, t);
  44         // in case of executing pure Runnable
  45         if (t != null) {
  46             LOG.warn("thread in pool stopped with error", t);
  47         }
  48     }
  49 }