74 lines
2.8 KiB
Java
74 lines
2.8 KiB
Java
/*
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* Copyright 2018 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package com.android.pump.concurrent;
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import androidx.annotation.AnyThread;
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import androidx.annotation.NonNull;
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import androidx.annotation.Nullable;
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import java.util.Collection;
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import java.util.Collections;
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import java.util.HashSet;
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import java.util.concurrent.BlockingQueue;
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import java.util.concurrent.RejectedExecutionHandler;
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import java.util.concurrent.ThreadFactory;
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import java.util.concurrent.ThreadPoolExecutor;
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import java.util.concurrent.TimeUnit;
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@AnyThread
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public class UniqueExecutor extends ThreadPoolExecutor {
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private final Collection<Runnable> mRunning = Collections.synchronizedSet(new HashSet<>());
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public UniqueExecutor(int corePoolSize, int maximumPoolSize, long keepAliveTime,
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@NonNull TimeUnit unit, @NonNull BlockingQueue<Runnable> workQueue) {
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super(corePoolSize, maximumPoolSize, keepAliveTime, unit, workQueue);
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}
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public UniqueExecutor(int corePoolSize, int maximumPoolSize, long keepAliveTime,
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@NonNull TimeUnit unit, @NonNull BlockingQueue<Runnable> workQueue,
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@NonNull ThreadFactory threadFactory) {
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super(corePoolSize, maximumPoolSize, keepAliveTime, unit, workQueue, threadFactory);
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}
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public UniqueExecutor(int corePoolSize, int maximumPoolSize, long keepAliveTime,
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@NonNull TimeUnit unit, @NonNull BlockingQueue<Runnable> workQueue,
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@NonNull RejectedExecutionHandler handler) {
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super(corePoolSize, maximumPoolSize, keepAliveTime, unit, workQueue, handler);
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}
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public UniqueExecutor(int corePoolSize, int maximumPoolSize, long keepAliveTime,
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@NonNull TimeUnit unit, @NonNull BlockingQueue<Runnable> workQueue,
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@NonNull ThreadFactory threadFactory, @NonNull RejectedExecutionHandler handler) {
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super(corePoolSize, maximumPoolSize, keepAliveTime, unit, workQueue, threadFactory,
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handler);
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}
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@Override
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public void execute(@NonNull Runnable command) {
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if (!mRunning.add(command)) {
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return;
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}
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super.execute(command);
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}
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@Override
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protected void afterExecute(@NonNull Runnable r, @Nullable Throwable t) {
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super.afterExecute(r, t);
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mRunning.remove(r);
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}
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}
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