@Override
public void populateDAG(DAG dag, Configuration conf)
{
RandomEventGenerator rand = dag.addOperator("rand", new RandomEventGenerator());
PiCalculateOperator calc = dag.addOperator("picalc", new PiCalculateOperator());
dag.addStream("rand_calc", rand.integer_data, calc.input).setLocality(locality);
AppDataSnapshotServerMap snapshotServer = dag.addOperator("SnapshotServer", new AppDataSnapshotServerMap());
String snapshotServerJSON = SchemaUtils.jarResourceFileToString(SNAPSHOT_SCHEMA);
snapshotServer.setSnapshotSchemaJSON(snapshotServerJSON);
PubSubWebSocketAppDataQuery wsQuery = new PubSubWebSocketAppDataQuery();
wsQuery.enableEmbeddedMode();
snapshotServer.setEmbeddableQueryInfoProvider(wsQuery);
PubSubWebSocketAppDataResult wsResult = dag.addOperator("QueryResult", new PubSubWebSocketAppDataResult());
Operator.InputPort<String> queryResultPort = wsResult.input;
NamedValueList<Object> adaptor = dag.addOperator("adaptor", new NamedValueList<Object>());
ConsoleOutputOperator console = dag.addOperator("console", new ConsoleOutputOperator());
dag.addStream("PiValues", calc.output, adaptor.inPort, console.input).setLocality(locality);;
dag.addStream("NamedPiValues", adaptor.outPort, snapshotServer.input);
dag.addStream("Result", snapshotServer.queryResult, queryResultPort);
}