55 lines
1.9 KiB
Java
55 lines
1.9 KiB
Java
/*
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* This file is part of BlueMap, licensed under the MIT License (MIT).
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*
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* Copyright (c) Blue (Lukas Rieger) <https://bluecolored.de>
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* Copyright (c) contributors
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*/
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package de.bluecolored.bluemap.core.util;
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import java.lang.ref.WeakReference;
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public class UpdateDeamon extends Thread {
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public WeakReference<Updateable> subject;
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public long frequency;
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public UpdateDeamon(Runnable subject, long frequency) {
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this((Updateable) (()->subject.run()), frequency);
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}
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public UpdateDeamon(Updateable subject, long frequency) {
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this.subject = new WeakReference<Updateable>(subject);
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this.frequency = frequency;
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this.setDaemon(true);
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}
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@Override
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public void run() {
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try {
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while (true) {
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Thread.sleep(frequency);
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subject.get().update();
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}
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} catch (NullPointerException | InterruptedException ex) {}
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}
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}
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