| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. The ASF licenses this file to You |
| * under the Apache License, Version 2.0 (the "License"); you may not |
| * use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. For additional information regarding |
| * copyright in this work, please see the NOTICE file in the top level |
| * directory of this distribution. |
| */ |
| package org.apache.abdera2.common.protocol.servlet.async; |
| |
| import java.util.Map; |
| import java.util.concurrent.Executors; |
| import java.util.concurrent.ThreadPoolExecutor; |
| import java.util.concurrent.TimeUnit; |
| |
| public class DefaultTaskExecutor |
| implements TaskExecutor { |
| |
| private ThreadPoolExecutor exec; |
| |
| public static final String TERMINATION_TIMEOUT = "AbderaDefaultTaskExecutorTerminationTimout"; |
| public static final long DEFAULT_TERMINATION_TIMEOUT = 10; |
| |
| private long terminationTimeout = DEFAULT_TERMINATION_TIMEOUT; |
| |
| public DefaultTaskExecutor() {} |
| |
| public void execute(Runnable task) { |
| exec.execute(task); |
| } |
| |
| public void init(Map<String, String> properties) { |
| exec = (ThreadPoolExecutor) Executors.newCachedThreadPool(); |
| if (properties.containsKey(TERMINATION_TIMEOUT)) { |
| String val = properties.get(TERMINATION_TIMEOUT); |
| terminationTimeout = Math.max(1,Long.parseLong(val)); |
| } |
| } |
| |
| public void startWorker(Runnable worker) { |
| exec.execute(worker); |
| } |
| |
| public void shutdown() { |
| exec.shutdown(); |
| try { |
| exec.awaitTermination( |
| terminationTimeout, TimeUnit.SECONDS); |
| } catch (Throwable t) {} |
| } |
| |
| public boolean isRunning() { |
| return !exec.isShutdown() && |
| !exec.isTerminated() && |
| !exec.isTerminating(); |
| } |
| |
| } |