Examples of org.zkoss.util.WaitLock.waitUntilUnlock()

org.zkoss.util.WaitLock.waitUntilUnlock()
Waits this lock to unlock. @return whether it is unlocked successfully @exception SystemException if this thread is interrupted @exception PotentialDeadLockException if the thread itself createsthis lock. In other words, it tried to wait for itself to complete.

          _richlets.put(name, lock = new WaitLock());
          break; //then, load it
        }
      } //sync(_richlets)


      if (!lock.waitUntilUnlock(300*1000)) { //5 minute
        final PotentialDeadLockException ex =
          new PotentialDeadLockException(
          "Unable to load richlet "+name+"\nCause: conflict too long.");
        log.warningBriefly(ex); //very rare, possibly a bug
        throw ex;

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        }
        //invalid, so remove it (if not updated by others)
        synchronized (this) {
          if (super.get(src) == ri) super.remove(src);
        }
      } else if (!lock.waitUntilUnlock(300*1000)) { //5 minute
        final PotentialDeadLockException ex =
          new PotentialDeadLockException(
          "Unable to load from "+src+"\nCause: conflict too long.");
        log.warningBriefly(ex); //very rare, possibly a bug
        throw ex;

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