2 * Copyright (c) 2013 Cisco Systems, Inc. and others. All rights reserved.
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
9 package org.opendaylight.controller.config.threadpool.util;
11 import java.io.Closeable;
12 import java.util.concurrent.ExecutorService;
13 import java.util.concurrent.Executors;
14 import java.util.concurrent.ThreadFactory;
15 import java.util.concurrent.ThreadPoolExecutor;
16 import org.opendaylight.controller.config.threadpool.ThreadPool;
19 * Implementation of {@link ThreadPool} using fixed number of threads wraps
20 * {@link ExecutorService}.
23 * To be removed in Nitrogen
26 public class FixedThreadPoolWrapper implements ThreadPool, Closeable {
28 private final ThreadPoolExecutor executor;
30 public FixedThreadPoolWrapper(int threadCount, ThreadFactory factory) {
31 this.executor = (ThreadPoolExecutor) Executors.newFixedThreadPool(threadCount, factory);
32 executor.prestartAllCoreThreads();
36 public ExecutorService getExecutor() {
37 return Executors.unconfigurableExecutorService(executor);
46 public int getMaxThreadCount() {
47 return executor.getMaximumPoolSize();
50 public void setMaxThreadCount(int maxThreadCount) {
51 executor.setCorePoolSize(maxThreadCount);
52 executor.setMaximumPoolSize(maxThreadCount);