Side by Side Diff: src/org/adblockplus/libadblockplus/Disposer.java
Issue 29345540:
Issue 4030 - Move JNI bindings into separate library project (Closed)
Patch Set: Changeset in adblockplusandroid repo
Created July 22, 2016, 12:10 p.m.
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« src/org/adblockplus/libadblockplus/Disposable.java ('k')
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src/org/adblockplus/libadblockplus/EventCallback.java » ('j')
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| 1 /* | |
| 2 * This file is part of Adblock Plus <https://adblockplus.org/>, | |
| 3 * Copyright (C) 2006-2016 Eyeo GmbH | |
| 4 * | |
| 5 * Adblock Plus is free software: you can redistribute it and/or modify | |
| 6 * it under the terms of the GNU General Public License version 3 as | |
| 7 * published by the Free Software Foundation. | |
| 8 * | |
| 9 * Adblock Plus is distributed in the hope that it will be useful, | |
| 10 * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
| 12 * GNU General Public License for more details. | |
| 13 * | |
| 14 * You should have received a copy of the GNU General Public License | |
| 15 * along with Adblock Plus. If not, see <http://www.gnu.org/licenses/>. | |
| 16 */ | |
| 17 | |
| 18 package org.adblockplus.libadblockplus; | |
| 19 | |
| 20 import java.lang.ref.ReferenceQueue; | |
| 21 import java.lang.ref.WeakReference; | |
| 22 import java.util.HashSet; | |
| 23 | |
| 24 public final class Disposer extends WeakReference<Disposable> | |
| 25 { | |
| 26 static final ReferenceQueue<Disposable> referenceQueue = new ReferenceQueue<Di sposable>(); | |
| 27 private static final HashSet<Disposer> disposerSet = new HashSet<Disposer>(); | |
| 28 private final Disposable disposable; | |
| 29 private volatile boolean disposed = false; | |
| 30 | |
| 31 static | |
| 32 { | |
| 33 final Thread thread = new Thread(new Cleaner()); | |
| 34 thread.setName(Cleaner.class.getCanonicalName()); | |
| 35 thread.setDaemon(true); | |
| 36 thread.start(); | |
| 37 } | |
| 38 | |
| 39 public Disposer(final Disposable referent, final Disposable disposable) | |
| 40 { | |
| 41 super(referent, referenceQueue); | |
| 42 this.disposable = disposable; | |
| 43 | |
| 44 synchronized (disposerSet) | |
| 45 { | |
| 46 disposerSet.add(this); | |
| 47 } | |
| 48 } | |
| 49 | |
| 50 public synchronized void dispose() | |
| 51 { | |
| 52 if (!this.disposed) | |
| 53 { | |
| 54 try | |
| 55 { | |
| 56 this.disposable.dispose(); | |
| 57 } | |
| 58 catch (final Throwable t) | |
| 59 { | |
| 60 // catch to set state to 'disposed' on all circumstances | |
| 61 } | |
| 62 | |
| 63 this.disposed = true; | |
| 64 synchronized (disposerSet) | |
| 65 { | |
| 66 disposerSet.remove(this); | |
| 67 } | |
| 68 } | |
| 69 } | |
| 70 | |
| 71 private static final class Cleaner implements Runnable | |
| 72 { | |
| 73 public Cleaner() | |
| 74 { | |
| 75 // | |
| 76 } | |
| 77 | |
| 78 @Override | |
| 79 public void run() | |
| 80 { | |
| 81 for (;;) | |
| 82 { | |
| 83 try | |
| 84 { | |
| 85 ((Disposer) Disposer.referenceQueue.remove()).dispose(); | |
| 86 } | |
| 87 catch (final Throwable t) | |
| 88 { | |
| 89 // ignored | |
| 90 } | |
| 91 } | |
| 92 } | |
| 93 } | |
| 94 } | |
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« dependencies ('K')
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« src/org/adblockplus/libadblockplus/Disposable.java ('k')
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src/org/adblockplus/libadblockplus/EventCallback.java » ('j')
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