Examples with AsyncOperationListener com.ms.silverking.cloud.dht.client.AsyncOperationListener used on opensource projects

Example 1 with AsyncOperationListener

use of com.ms.silverking.cloud.dht.client.AsyncOperationListener in project SilverKing by Morgan-Stanley.

the class AsyncOperationImpl method addListeners.

/**
 * Adds multiple completion listeners. For any listener that is already complete, the callback will be
 * immediately executed, possibly in the calling thread.
 * @param listeners	update listeners
 * @param listenStates	states to generate updates for
 */
public void addListeners(Iterable<AsyncOperationListener> _listeners, OperationState... listenStates) {
    EnumSet<OperationState> _listenStates;
    OperationState opState;
    _listenStates = CollectionUtil.arrayToEnumSet(listenStates);
    opState = getState();
    lock.lock();
    try {
        // Trigger immediate updates for completion, but only for completion
        if (opState != OperationState.INCOMPLETE && _listenStates.contains(opState)) {
            for (AsyncOperationListener listener : _listeners) {
                listener.asyncOperationUpdated(this);
            }
        } else {
            if (listeners == null) {
                listeners = new HashSet<>();
            }
            for (AsyncOperationListener listener : _listeners) {
                listeners.add(new Pair<>(listener, _listenStates));
            }
        }
    } finally {
        lock.unlock();
    }
}