List of usage examples for org.apache.http.impl.conn.tsccm RouteSpecificPool hasThread
public boolean hasThread()
From source file:org.apache.http.impl.conn.tsccm.ConnPoolByRoute.java
/** * Notifies a waiting thread that a connection is available. * This will wake a thread waiting in the specific route pool, * if there is one.//w ww. ja v a 2 s. co m * Otherwise, a thread in the connection pool will be notified. * * @param rospl the pool in which to notify, or <code>null</code> */ protected void notifyWaitingThread(final RouteSpecificPool rospl) { //@@@ while this strategy provides for best connection re-use, //@@@ is it fair? only do this if the connection is open? // Find the thread we are going to notify. We want to ensure that // each waiting thread is only interrupted once, so we will remove // it from all wait queues before interrupting. WaitingThread waitingThread = null; poolLock.lock(); try { if ((rospl != null) && rospl.hasThread()) { if (log.isDebugEnabled()) { log.debug("Notifying thread waiting on pool" + " [" + rospl.getRoute() + "]"); } waitingThread = rospl.nextThread(); } else if (!waitingThreads.isEmpty()) { if (log.isDebugEnabled()) { log.debug("Notifying thread waiting on any pool"); } waitingThread = waitingThreads.remove(); } else if (log.isDebugEnabled()) { log.debug("Notifying no-one, there are no waiting threads"); } if (waitingThread != null) { waitingThread.wakeup(); } } finally { poolLock.unlock(); } }