Example usage for java.lang Thread isAlive

Introduction

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

Prototype

public final native boolean isAlive();

Source Link

Document

Tests if this thread is alive.

Usage

From source file:Main.java

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

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

        tg = tg.getParent();/* w  w  w .  ja va  2s.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:Main.java

public static boolean join(Thread thread, long milliseconds) {
    try {/*from w  w w.  j  av  a  2 s . c o m*/
        thread.join(milliseconds);
    } catch (InterruptedException exception) {
        return false;
    }
    if (thread.isAlive()) {
        thread.interrupt();
        return false;
    }
    return true;
}

From source file:ThreadLister.java

private static void printThreadInfo(Thread t, String indent) {
    if (t == null)
        return;//w ww .  java  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:org.sonar.process.ProcessUtils.java

public static void awaitTermination(@Nullable Thread t) {
    if (t == null || Thread.currentThread() == t) {
        return;/*from w  ww.ja  va 2 s.  com*/
    }

    while (t.isAlive()) {
        try {
            t.join();
        } catch (InterruptedException e) {
            // ignore, keep on waiting for t to stop
        }
    }
}

From source file:com.adaptris.transport.JunitSocketServer.java

private static void join(Thread t) {
    try {/*from w w  w.ja  va2s  .co  m*/
        if (t.isAlive()) {
            t.join();
        }
    } catch (InterruptedException ignored) {
        logR.warn("Interrupted");
    }
}

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 w w w. j  a  va 2 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:org.apache.hadoop.corona.Utilities.java

/**
 * A realiable way to wait for the thread termination
 * @param thread thread to wait for/*  w  w  w.ja v a  2  s .c  o  m*/
 */
public static void waitThreadTermination(Thread thread) {
    while (thread != null && thread.isAlive()) {
        thread.interrupt();
        try {
            thread.join();
        } catch (InterruptedException 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   www. j  a va2  s  . c o m
    out.println(indent + "Thread: " + t.getName() + "  Priority: " + t.getPriority()
            + (t.isDaemon() ? " Daemon" : "") + (t.isAlive() ? "" : " Not Alive"));
}

From source file:Main.java

/**
 * Display information about a thread.//  w w w  . j av  a  2 s  .c om
 */
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"));
}

From source file:org.trafodion.rest.ResourceChecker.java

/**
 * Helper function: print the threads/*from  w w  w.j a  v  a 2  s.  c o  m*/
 */
public static void printThreads() {
    Set<Thread> threads = Thread.getAllStackTraces().keySet();
    System.out.println("name; state; isDameon; isAlive; isInterrupted");
    for (Thread t : threads) {
        System.out.println(t.getName() + ";" + t.getState() + ";" + t.isDaemon() + ";" + t.isAlive() + ";"
                + t.isInterrupted());
    }
}