private WebSocketReplyData subscribe(int requestId) {
CommandHistoryRequestManager chrm = processor.getCommandHistoryManager();
if (chrm != null) {
subscriptionId = chrm.subscribeCommandHistory(null, 0, this);
}
return toAckReply(requestId);
}
/** called when the socket is closed */
@Override
public void quit() {
if (subscriptionId == -1) return;
CommandHistoryRequestManager chrm = processor.getCommandHistoryManager();
if (chrm != null) {
chrm.unsubscribeCommandHistory(subscriptionId);
}
}
public void switchYProcessor(YProcessor c) throws YProcessorException {
if (subscriptionId == -1) return;
CommandHistoryRequestManager chrm = processor.getCommandHistoryManager();
CommandHistoryFilter filter = null;
if (chrm != null) {
filter = chrm.unsubscribeCommandHistory(subscriptionId);
}
this.processor = c;
if (processor.hasCommanding()) {
chrm = processor.getCommandHistoryManager();
if (filter != null) {
chrm.addSubscription(filter, this);
} else {
chrm.subscribeCommandHistory(null, 0, this);
}
}
}