Examples with PollItem zmq.poll.PollItem used on opensource projects

Example 6 with PollItem

use of zmq.poll.PollItem in project jeromq by zeromq.

the class ZPoller method dispatch.

/**
 * Dispatches the polled events.
 *
 * @param all   the items used for dispatching
 * @param size  the number of items to dispatch
 * @return true if correctly dispatched, false in case of error
 */
protected boolean dispatch(final Collection<? extends ItemHolder> all, int size) {
    ItemHolder[] array = all.toArray(new ItemHolder[all.size()]);
    // protected against handlers unregistering during this loop
    for (ItemHolder holder : array) {
        EventsHandler handler = holder.handler();
        if (handler == null) {
            handler = globalHandler;
        }
        if (handler == null) {
            // no handler, short-circuit
            continue;
        }
        final PollItem item = holder.item();
        final int events = item.readyOps();
        if (events <= 0) {
            // no events, short-circuit
            continue;
        }
        final Socket socket = holder.socket();
        final SelectableChannel channel = holder.item().getRawSocket();
        if (socket != null) {
            assert (channel == null);
            // dispatch on socket
            if (!handler.events(socket, events)) {
                return false;
            }
        }
        if (channel != null) {
            // dispatch on channel
            assert (socket == null);
            if (!handler.events(channel, events)) {
                return false;
            }
        }
    }
    return true;
}