Example usage for java.lang Thread isDaemon

Introduction

In this page you can find the example usage for java.lang Thread isDaemon.

Prototype

public final boolean isDaemon()

Source Link

Document

Tests if this thread is a daemon thread.

Usage

From source file:Daemon.java

public static void main(String[] args) throws Exception {
    Thread d = new Daemon();
    System.out.println("d.isDaemon() = " + d.isDaemon());
    // Allow the daemon threads to
    // finish their startup processes:
    Thread.sleep(1000);/* w w w .j  a  v  a  2s.co m*/
}

From source file:Main.java

public static void dumpThreads() {
    final Map<Thread, StackTraceElement[]> threads = Thread.getAllStackTraces();
    for (Thread thread : threads.keySet())
        System.out.println((thread.isDaemon() ? "DAEMON  " : "        ") + thread.getName());

    // final ThreadInfo[] threads = ManagementFactory.getThreadMXBean().dumpAllThreads(false, false);
    //        for(ThreadInfo thread : threads) {
    //            System.out.println(thread.getThreadName() + ": ");
    //        }//from   w  w w  .  j a  va 2 s. c  o m
}

From source file:Main.java

public static ThreadFactory createThreadFactory(final String prefix) {
    return new ThreadFactory() {
        private AtomicInteger size = new AtomicInteger();

        public Thread newThread(Runnable r) {
            Thread thread = new Thread(r);
            thread.setName(prefix + size.incrementAndGet());
            if (thread.isDaemon()) {
                thread.setDaemon(false);
            }/*w  ww .  ja  v  a2s  .  co m*/
            return thread;
        }
    };
}

From source file:Main.java

public static Thread getThreadByName(String name) {
    ThreadGroup tg = Thread.currentThread().getThreadGroup();

    while (tg.getParent() != null) {

        tg = tg.getParent();//from w ww.jav  a 2 s .  c  o m
    }

    Thread[] threads = new Thread[tg.activeCount() + 1024];

    tg.enumerate(threads, true);

    boolean bad_found = false;

    for (int i = 0; i < threads.length; i++) {

        Thread t = threads[i];

        if (t != null && t.isAlive() && t != Thread.currentThread() && !t.isDaemon()
                && t.getName().equals(name)) {
            return t;
        }
    }

    return null;
}

From source file:ThreadLister.java

private static void printThreadInfo(Thread t, String indent) {
    if (t == null)
        return;/*from w w w  . ja  v  a  2 s. c o  m*/
    System.out.println(indent + "Thread: " + t.getName() + "  Priority: " + t.getPriority()
            + (t.isDaemon() ? " Daemon" : "") + (t.isAlive() ? "" : " Not Alive"));
}

From source file:Main.java

public static void dumpAllThreadStacks() {
    System.out.println("stack trace");

    Map<Thread, StackTraceElement[]> map = Thread.getAllStackTraces();
    for (Thread t : map.keySet()) {
        StackTraceElement[] elements = map.get(t);

        System.out.println(t);//from   ww  w  .j a  v a2  s  .c om
        System.out.println("isDaemon : " + t.isDaemon() + ", isAlive : " + t.isAlive() + ", isInterrupted : "
                + t.isInterrupted());

        for (StackTraceElement e : elements) {
            System.out.println("\t" + e);
        }
        System.out.println("");
    }
}

From source file:Main.java

/**
 * Print a stack trace of the current thread.
 */// w w w. j a  v a  2  s  .com
public static void printFullStackTrace() {
    Thread thread = Thread.currentThread();
    System.out.printf("  Thread id: %d, name: %s, state: %s, daemon: %s, EDT: %s\n", thread.getId(),
            thread.getName(), thread.getState(), thread.isDaemon(), EventQueue.isDispatchThread());
    ThreadGroup group = thread.getThreadGroup();
    System.out.printf("    priority: %d, group: %s, group count: %d\n", thread.getPriority(), group.getName(),
            group.activeCount());
    StackTraceElement[] backtrace = thread.getStackTrace();

    for (StackTraceElement e : backtrace) {
        System.out.printf("    Stack Trace: %s\n", e);
    }
}

From source file:ThreadLister.java

/** Display information about a thread. */
private static void printThreadInfo(PrintWriter out, Thread t, String indent) {
    if (t == null)
        return;//from   w  w  w .j a v  a2 s  .  com
    out.println(indent + "Thread: " + t.getName() + "  Priority: " + t.getPriority()
            + (t.isDaemon() ? " Daemon" : "") + (t.isAlive() ? "" : " Not Alive"));
}

From source file:Main.java

/**
 * Print diagnostic info about the current thread.
 *//*from  w  ww  .  j  a va 2s . c o m*/
public static void printThreadInfo() {
    Thread thread = Thread.currentThread();
    System.out.printf("  Thread id: %d, name: %s, state: %s, daemon: %s, EDT: %s\n", thread.getId(),
            thread.getName(), thread.getState(), thread.isDaemon(), EventQueue.isDispatchThread());
    ThreadGroup group = thread.getThreadGroup();
    System.out.printf("    priority: %d, group: %s, group count: %d\n", thread.getPriority(), group.getName(),
            group.activeCount());
    StackTraceElement[] backtrace = thread.getStackTrace();
    if (backtrace.length > 2) {
        System.out.printf("    trace[2]: %s\n", backtrace[2]);
    }
}

From source file:Main.java

/**
 * Display information about a thread.// w  w  w. j ava  2 s . com
 */
private static void printThreadInfo(PrintWriter out, Thread t, String indent) {
    if (t == null) {
        return;
    }
    out.println(indent + "Thread: " + t.getName() + "  Priority: " + t.getPriority()
            + (t.isDaemon() ? " Daemon" : "") + (t.isAlive() ? "" : " Not Alive"));
}