opendaylight/config/threadpool-config-impl/src/main/java/org/opendaylight/controller/config/threadpool/util/ScheduledThreadPoolWrapper.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
   9 package org.opendaylight.controller.config.threadpool.util;
  10
  11 import java.io.Closeable;
  12 import java.util.concurrent.Executors;
  13 import java.util.concurrent.ScheduledExecutorService;
  14 import java.util.concurrent.ScheduledThreadPoolExecutor;
  15 import java.util.concurrent.ThreadFactory;
  16
  17 import org.opendaylight.controller.config.threadpool.ScheduledThreadPool;
  18
  19 /**
  20  * Implementation of {@link ScheduledThreadPool} wraps
  21  * {@link ScheduledExecutorService}.
  22  */
  23 public class ScheduledThreadPoolWrapper implements ScheduledThreadPool, Closeable {
  24
  25     private final ScheduledThreadPoolExecutor executor;
  26     private final int threadCount;
  27
  28     public ScheduledThreadPoolWrapper(int threadCount, ThreadFactory factory) {
  29         this.threadCount = threadCount;
  30         this.executor = new ScheduledThreadPoolExecutor(threadCount, factory);
  31         executor.prestartAllCoreThreads();
  32     }
  33
  34     @Override
  35     public ScheduledExecutorService getExecutor() {
  36         return Executors.unconfigurableScheduledExecutorService(executor);
  37     }
  38
  39     @Override
  40     public void close() {
  41         executor.shutdown();
  42     }
  43
  44     @Override
  45     public int getMaxThreadCount() {
  46         return threadCount;
  47     }
  48
  49 }