Added DaemonThreadFactory
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80
src/dorkbox/util/DaemonThreadFactory.java
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80
src/dorkbox/util/DaemonThreadFactory.java
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package dorkbox.util;
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import java.util.concurrent.ThreadFactory;
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import java.util.concurrent.atomic.AtomicInteger;
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/**
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* A ThreadFactory instance, where all threads are created with setDaemon(true) and can be assigned a threadgroup and name prefix
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*/
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public
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class DaemonThreadFactory implements ThreadFactory {
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private final ThreadGroup threadGroup;
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private final String threadName;
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private AtomicInteger threadCount = new AtomicInteger(0);
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/**
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* Creates a new ThreadFactory instance, where all threads are created with setDaemon(true) and are assigned to a current threads
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* threadgroup with a name prefix "Thread" and thread count ID
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*/
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public
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DaemonThreadFactory() {
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this(null, null);
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}
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/**
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* Creates a new ThreadFactory instance, where all threads are created with setDaemon(true) and are assigned to a specific threadgroup
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* with a name prefix and thread count ID
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*
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* @param threadGroup the threadgroup to assign, otherwise null (which will use the current thread's threadGroup)
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*/
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public
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DaemonThreadFactory(final ThreadGroup threadGroup) {
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this(threadGroup, null);
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}
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/**
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* Creates a new ThreadFactory instance, where all threads are created with setDaemon(true) and are assigned to a current threads
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* threadgroup and thread count ID
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*
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* @param threadName the name prefix for the thread. null will use the prefix "Thread"
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*/
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public
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DaemonThreadFactory(String threadName) {
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this(null, threadName);
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}
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/**
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* Creates a new ThreadFactory instance, where all threads are created with setDaemon(true) and are assigned to a specific threadgroup
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* with a name prefix and thread count ID
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*
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* @param threadGroup the threadgroup to assign, otherwise null (which will use the current thread's threadGroup)
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* @param threadName the name prefix for the thread. null will use the prefix "Thread"
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*/
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public
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DaemonThreadFactory(final ThreadGroup threadGroup, String threadName) {
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this.threadGroup = threadGroup;
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this.threadName = threadName;
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}
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@Override
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public
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Thread newThread(Runnable r) {
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Thread thread;
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if (threadGroup != null) {
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thread = new Thread(threadGroup, r);
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}
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else {
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thread = new Thread(r);
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}
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thread.setDaemon(true);
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if (threadName == null) {
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thread.setName("Thread-" + threadCount.getAndIncrement());
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}
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else {
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thread.setName(threadName + "-" + threadCount.getAndIncrement());
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}
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return thread;
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}
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}
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