Mercurial > hg > Members > kono > jpf-core
view src/main/gov/nasa/jpf/util/RunRegistry.java @ 0:61d41facf527
initial v8 import (history reset)
author | Peter Mehlitz <Peter.C.Mehlitz@nasa.gov> |
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date | Fri, 23 Jan 2015 10:14:01 -0800 |
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/* * Copyright (C) 2014, United States Government, as represented by the * Administrator of the National Aeronautics and Space Administration. * All rights reserved. * * The Java Pathfinder core (jpf-core) platform is 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 gov.nasa.jpf.util; import java.util.ArrayList; /** * little helper to enable resetting classes and objects between JPF runs, * mostly to avoid memory leaks * * reset() has to be called at the beginning of a new run, causing all * still registered listeners to be notified. Listeners have to implement * their own logic to check for re-initialization, but can use the * 'run' timestamp to do so */ public class RunRegistry { static RunRegistry singleton = new RunRegistry(); ArrayList<RunListener> listeners = new ArrayList<RunListener>(); long run; public static RunRegistry getDefaultRegistry() { return singleton; } public void addListener (RunListener r) { if (!listeners.contains(r)){ listeners.add(r); } } public boolean isRegistered (RunListener r){ return listeners.contains(r); } public void reset() { run = System.currentTimeMillis(); for (RunListener r : listeners){ r.reset(this); } listeners.clear(); } public long getRun() { return run; } }