Пример #1
0
 /**
  * Sets the sync request client count. This is how many concurrent threads are processing sync
  * request. This value is bounded: MIN_SYNC_REQUEST_CLIENTS <= count <= MAX_SYNC_REQUEST_CLIENTS.
  *
  * @param count number of sync request clients
  */
 public void setSyncRequestClientCount(int count) {
   m_syncRequestClientCount = boundSyncRequestClientCount(count);
   if (m_syncRequestClientCount != count) {
     s_log.info(
         "Sync request client count ["
             + count
             + " ms] adjusted to fit bounds ["
             + m_syncRequestClientCount
             + " ms].");
   }
   ThreadUtils.alert(this);
 }
Пример #2
0
  /**
   * Main loop of the broker thread. Invoked when the thread is started and terminates when the
   * terminate flag is set. Some definitions: 1) Terminated Thread - A SyncRequestClient thread that
   * has been requested to terminate but may still be finishing up a request. 2) Stopped Thread - A
   * SyncRequestClient thread that has terminated and has stopped running.
   */
  protected void service() {
    while (getState() == State.Running) {
      // Move the newly terminated threads to the terminated list to let them spin down.
      removeTerminatedClients();

      // Remove the threads on the terminated list that are no longer spinning.
      purgeStoppedClients();

      // Adjust the number of running threads
      adjustClientCount();

      // Brief pause...
      ThreadUtils.alertableSleep(this, s_cycleTimeMS);
    }

    // Terminate all running threads
    reduceClients(0);

    // Wait for terminated threads to stop running.
    while (m_terminatedClients.size() > 0) {
      purgeStoppedClients();
      ThreadUtils.alertableSleep(this, s_cycleTimeMS);
    }
  }