66 lines
1.9 KiB
Java
66 lines
1.9 KiB
Java
/*
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* Copyright 2016 Christian Basler
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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 ch.dissem.bitmessage.utils;
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import java.util.concurrent.ThreadFactory;
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import java.util.concurrent.atomic.AtomicInteger;
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public class ThreadFactoryBuilder {
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private final String namePrefix;
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private int prio = Thread.NORM_PRIORITY;
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private boolean daemon = false;
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private ThreadFactoryBuilder(String pool) {
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this.namePrefix = pool + "-thread-";
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}
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public static ThreadFactoryBuilder pool(String name) {
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return new ThreadFactoryBuilder(name);
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}
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public ThreadFactoryBuilder lowPrio() {
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prio = Thread.MIN_PRIORITY;
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return this;
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}
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public ThreadFactoryBuilder daemon() {
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daemon = true;
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return this;
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}
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public ThreadFactory build() {
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SecurityManager s = System.getSecurityManager();
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final ThreadGroup group = (s != null) ? s.getThreadGroup() :
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Thread.currentThread().getThreadGroup();
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return new ThreadFactory() {
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private final AtomicInteger threadNumber = new AtomicInteger(1);
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@Override
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public Thread newThread(Runnable r) {
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Thread t = new Thread(group, r,
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namePrefix + threadNumber.getAndIncrement(),
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0);
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t.setPriority(prio);
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t.setDaemon(daemon);
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return t;
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}
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};
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}
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}
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