| /* |
| * Copyright 2009-2010 by The Regents of the University of California |
| * 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 from |
| * |
| * 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 edu.uci.ics.hyracks.maven.plugin; |
| |
| import java.util.ArrayList; |
| import java.util.List; |
| |
| public class HyracksServiceRegistry { |
| public static HyracksServiceRegistry INSTANCE = new HyracksServiceRegistry(); |
| |
| private final List<Process> serviceProcesses; |
| |
| private HyracksServiceRegistry() { |
| serviceProcesses = new ArrayList<Process>(); |
| Runtime.getRuntime().addShutdownHook(new Thread() { |
| @Override |
| public void run() { |
| destroyAll(); |
| } |
| }); |
| } |
| |
| public synchronized void addServiceProcess(Process process) { |
| serviceProcesses.add(process); |
| } |
| |
| public synchronized void destroyAll() { |
| for (Process p : serviceProcesses) { |
| try { |
| p.destroy(); |
| } catch (Exception e) { |
| } |
| } |
| serviceProcesses.clear(); |
| } |
| } |