@Override
    void notifyPeekAndTakeThreads() {
      blockCond.signalAll();
    }
This method is called by the publish method when a valid Long position is added to the
idsAvailable set. It should always be called after acquiring the ReentrantLock. It notifies
the waiting peek & take threads.

<p>
author Asif
geode-core/src/main/java/org/apache/geode/internal/cache/ha/HARegionQueue.java