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

Class jersey.repackaged.jsr166e.StampedLock

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

jersey.repackaged.jsr166e.StampedLock.validate()
Returns true if the lock has not been exclusively acquired since issuance of the given stamp. Always returns false if the stamp is zero. Always returns true if the stamp represents a currently held lock. Invoking this method with a value not obtained from {@link #tryOptimisticRead} or a locking methodfor this lock has no defined effect or result. @param stamp a stamp @return {@code true} if the lock has not been exclusively acquiredsince issuance of the given stamp; else false

        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))
                return e;
        }
        return lockedGet(index);
    }

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        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;
        }
        return lockedFirstElement();
    }

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        Object[] items;
        int i;
        if ((items = array) != null && (i = count - 1) >= 0 &&
            i < items.length) {
            @SuppressWarnings("unchecked") E e = (E)items[i];
            if (lock.validate(stamp))
                return e;
        }
        return lockedLastElement();
    }

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