@Start
public void start() {
Log.debug("Start WSChan");
clients = new HashMap<>();
if (path == null) {
path = "";
}
ContainerRoot model = modelService.getPendingModel();
if (model == null) {
model = modelService.getCurrentModel().getModel();
}
Channel thisChan = (Channel) model.findByPath(context.getPath());
Set<String> inputPaths = Helper.getProvidedPortsPath(thisChan, context.getNodeName());
Set<String> outputPaths = Helper.getRequiredPortsPath(thisChan, context.getNodeName());
for (String path : inputPaths) {
// create input WSMsgBroker clients
createInputClient(path + "_" + context.getInstanceName());
}
for (String path : outputPaths) {
// create output WSMsgBroker clients
createOutputClient(path + "_" + context.getInstanceName());
}
}
@Override
public void dispatch(String o, final Callback callback) {
ContainerRoot model = modelService.getCurrentModel().getModel();
Channel thisChan = (Channel) model.findByPath(context.getPath());
Set<String> outputPaths = Helper.getRequiredPortsPath(thisChan, context.getNodeName());
// create a list of destination paths
Set<String> destPaths = new HashSet<>();
// process remote paths in order to add _<chanName> to the paths
// (WsMsgBroker protocol)
// add processed remote path to dest
destPaths.addAll(
channelContext
.getRemotePortPaths()
.stream()
.map(remotePath -> remotePath + "_" + context.getInstanceName())
.collect(Collectors.toList()));
// add local connected inputs to dest
Set<String> providedPaths =
Helper.getProvidedPortsPath(thisChan, context.getNodeName())
.stream()
.map(s -> s + "_" + context.getInstanceName())
.collect(Collectors.toSet());
destPaths.addAll(providedPaths);
// create the array that will store the dest
String[] dest = new String[destPaths.size()];
// convert list to array
destPaths.toArray(dest);
for (final String outputPath : outputPaths) {
WSMsgBrokerClient client = this.clients.get(outputPath + "_" + context.getInstanceName());
if (client != null) {
if (callback != null) {
client.send(
o,
dest,
(from, o1) -> {
CallbackResult result = new CallbackResult();
result.setPayload(o1.toString());
result.setOriginChannelPath(context.getPath());
result.setOriginPortPath(outputPath);
callback.onSuccess(result);
});
} else {
client.send(o, dest);
}
} else {
createInputClient(outputPath + "_" + context.getInstanceName());
}
}
}