org.arquillian.spacelift.execution.impl.ShutdownHooks Maven / Gradle / Ivy

Go to download

Show more of this group Show more artifacts with this name
Show all versions of arquillian-spacelift Show documentation

Arquillian Process and Package Manager

There is a newer version: 1.0.2

/*
 * JBoss, Home of Professional Open Source
 * Copyright 2014, Red Hat Middleware LLC, and individual contributors
 * by the @authors tag. See the copyright.txt in the distribution for a
 * full listing of individual contributors.
 *
 * Licensed 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.
 */
package org.arquillian.spacelift.execution.impl;

import java.util.concurrent.atomic.AtomicInteger;

import org.arquillian.spacelift.execution.Execution;

/**
 * Utility class that registers a shutdown hook for execution.
 *
 * @author Karel Piwko
 *
 */
public class ShutdownHooks {

    /**
     * Register a shutdown hook for {@code execution} that is automatically called if JVM exits
     *
     * @param execution Execution to be terminated when JVM exits
     */
    public static  void addHookFor(final Execution execution) {
        Thread shutdownThread = new SpaceliftShutDownHook(execution);
        Runtime.getRuntime().addShutdownHook(shutdownThread);
    }

    /**
     * A shutdown thread for Spacelift that terminates running execution.
     *
     * @author Karel Piwko
     *
     * @param 
     */
    public static class SpaceliftShutDownHook extends Thread {

        private static AtomicInteger shutdownCounter = new AtomicInteger(1);

        private final Execution execution;

        public SpaceliftShutDownHook(Execution execution) {
            super("spacelift-shutdown-hook-" + shutdownCounter.getAndIncrement());
            this.execution = execution;
        }

        @Override
        public void run() {
            if (execution != null) {
                if (!execution.isFinished() && !execution.isMarkedAsFinished()) {
                    execution.terminate();
                }
            }
        }
    }

}