Example usage for java.lang ThreadLocal ThreadLocal

Introduction

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

Prototype

public ThreadLocal()

Source Link

Document

Creates a thread local variable.

Usage

From source file:Main.java

public static void main(String[] args) {
    ThreadLocal<Integer> tlocal = new ThreadLocal<Integer>();
    tlocal.set(100);/*from  w  ww .  j  a  v  a2s .c o  m*/

    System.out.println("value = " + tlocal.get());
}

From source file:Main.java

public static void main(String[] args) {

    ThreadLocal<Integer> tlocal = new ThreadLocal<Integer>();

    tlocal.set(100);//from   w w  w  .  ja  va  2 s .  c  o  m
    // returns the current thread's value
    System.out.println("value = " + tlocal.get());

}

From source file:Main.java

public static void main(String[] args) {

    ThreadLocal<Integer> tlocal = new ThreadLocal<Integer>();

    tlocal.set(50);/* w  w w.  j  a v a2 s.  c  om*/
    System.out.println("value = " + tlocal.get());

    tlocal.remove();
    System.out.println("value = " + tlocal.get());
}

From source file:Main.java

public static void main(String[] argv) throws Exception {
    ThreadLocal localThread = new ThreadLocal();
    Object o = localThread.get();
    localThread.set(o);// ww  w .  j a  v a 2 s  . c om

}

From source file:Main.java

public static boolean isInTimeNow(int start, int end) {
    Calendar calendar = new ThreadLocal<Calendar>() {
        protected Calendar initialValue() {
            return Calendar.getInstance();
        }//from   w  w  w  . j ava  2 s.c om
    }.get();
    long current = System.currentTimeMillis();
    calendar.setTimeInMillis(current);
    calendar.set(Calendar.HOUR_OF_DAY, 0);
    calendar.set(Calendar.MINUTE, 0);
    calendar.set(Calendar.SECOND, 0);
    calendar.set(Calendar.MILLISECOND, 0);
    long originToday = calendar.getTimeInMillis();
    long distance = current - originToday;
    if (start <= distance && distance <= end) {
        return true;
    }

    return false;
}

From source file:Main.java

static <T> ThreadLocal<T> createThreadLocal() {
    ThreadLocal<T> tl = new ThreadLocal<>();
    locals.add(tl);
    return tl;
}

From source file:Main.java

public synchronized static void append(String key, String msg) {
    ThreadLocal tl = (ThreadLocal) THREAD_LOCAL_MAP.get(key);
    if (tl == null) {
        tl = new ThreadLocal();
        THREAD_LOCAL_MAP.put(key, tl);//from  w  ww .ja  v a  2  s  .c  om
    }
    StringBuffer buf = (StringBuffer) tl.get();
    if (buf == null) {
        buf = new StringBuffer();
        tl.set(buf);
    }
    buf.append(msg).append("\n");
}

From source file:Main.java

private static ThreadLocal<XPath> getXPath() {
    if (xPath == null) {
        xPath = new ThreadLocal<XPath>() {
            @Override//from  ww w.j a  va 2 s  .  c o m
            protected XPath initialValue() {
                return XPathFactory.newInstance().newXPath();
            }
        };
    }
    return xPath;
}

From source file:Main.java

public synchronized static void put(String key, Object value) {
    ThreadLocal tl = (ThreadLocal) THREAD_LOCAL_MAP.get(key);
    if (tl == null) {
        tl = new ThreadLocal();
        THREAD_LOCAL_MAP.put(key, tl);//from w  w w .  j  a  v a  2s.c  om
    }
    tl.set(value);
}

From source file:org.wings.session.SessionManager.java

/**
 * Lazy and synchronized initialize the ThreadLocal to avoid race-conditions.
 *
 * @return ThreadLocal possibly holding the current session if available.
 *//* w ww .  j a  v  a  2 s .  com*/
private static synchronized ThreadLocal<Session> getCurrentSession() {
    if (currentSession == null) {
        currentSession = new ThreadLocal<Session>();
    }

    return currentSession;
}