Examples of jersey.repackaged.jsr166e.StampedLock.tryOptimisticRead()

Class jersey.repackaged.jsr166e.StampedLock

Examples of jersey.repackaged.jsr166e.StampedLock.tryOptimisticRead()

jersey.repackaged.jsr166e.StampedLock.tryOptimisticRead()
Returns a stamp that can later be validated, or zero if exclusively locked. @return a stamp, or zero if exclusively locked

        }
    }


    public E get(int index) {
        final StampedLock lock = this.lock;
        long stamp = lock.tryOptimisticRead();
        Object[] items;
        if (index >= 0 && (items = array) != null &&
            index < count && index < items.length) {
            @SuppressWarnings("unchecked") E e = (E)items[index];
            if (lock.validate(stamp))

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        return idx;
    }


    public boolean isEmpty() {
        final StampedLock lock = this.lock;
        long stamp = lock.tryOptimisticRead();
        return count == 0; // no need for validation
    }


    public Iterator<E> iterator() {
        return new Itr<E>(this, 0);

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        return oldValue;
    }


    public int size() {
        final StampedLock lock = this.lock;
        long stamp = lock.tryOptimisticRead();
        return count; // no need for validation
    }


    private int lockedSize() {
        int n;

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    // Vector-only methods


    /** See {@link Vector#firstElement} */
    public E firstElement() {
        final StampedLock lock = this.lock;
        long stamp = lock.tryOptimisticRead();
        Object[] items;
        if ((items = array) != null && count > 0 && items.length > 0) {
            @SuppressWarnings("unchecked") E e = (E)items[0];
            if (lock.validate(stamp))
                return e;

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    }


    /** See {@link Vector#lastElement} */
    public E lastElement() {
        final StampedLock lock = this.lock;
        long stamp = lock.tryOptimisticRead();
        Object[] items;
        int i;
        if ((items = array) != null && (i = count - 1) >= 0 &&
            i < items.length) {
            @SuppressWarnings("unchecked") E e = (E)items[i];

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