public List<StratioStreamingMessage> list() {
List<StratioStreamingMessage> result = new ArrayList<>();
for (StreamDefinition streamDefinition : siddhiManager.getStreamDefinitions()) {
if (suitableToList(streamDefinition.getStreamId())) {
StratioStreamingMessage message = new StratioStreamingMessage();
for (Attribute attribute : streamDefinition.getAttributeList()) {
message.addColumn(
new ColumnNameTypeValue(
attribute.getName(), this.getStreamingType(attribute.getType()), null));
}
StreamStatusDTO streamStatus = streamStatusDao.get(streamDefinition.getStreamId());
if (streamStatus != null) {
Map<String, QueryDTO> attachedQueries = streamStatus.getAddedQueries();
for (Map.Entry<String, QueryDTO> entry : attachedQueries.entrySet()) {
message.addQuery(new StreamQuery(entry.getKey(), entry.getValue().getQueryRaw()));
}
message.setUserDefined(streamStatus.getUserDefined());
message.setActiveActions(
streamStatusDao.getEnabledActions(streamDefinition.getStreamId()));
}
message.setStreamName(streamDefinition.getStreamId());
result.add(message);
}
}
return result;
}
private List<ColumnNameTypeValue> castToColumnNameTypeValue(List<Attribute> attributeList) {
List<ColumnNameTypeValue> result = new ArrayList<>();
for (Attribute attribute : attributeList) {
result.add(
new ColumnNameTypeValue(
attribute.getName(), getStreamingType(attribute.getType()), null));
}
return result;
}
private static void populateAttributes(
org.wso2.siddhi.query.api.definition.StreamDefinition streamDefinition,
List<Attribute> attributes,
String prefix) {
if (attributes != null) {
for (Attribute attribute : attributes) {
org.wso2.siddhi.query.api.definition.Attribute siddhiAttribute =
EventProcessorUtil.convertToSiddhiAttribute(attribute, prefix);
streamDefinition.attribute(siddhiAttribute.getName(), siddhiAttribute.getType());
}
}
}
@Override
public void declareOutputFields(OutputFieldsDeclarer declarer) {
if (siddhiManager == null) {
init();
}
// Declaring output fileds for each exported stream ID
for (String streamId : exportedStreamIds) {
StreamDefinition streamDefinition = siddhiManager.getStreamDefinition(streamId);
if (streamDefinition == null) {
throw new RuntimeException("Cannot find exported stream - " + streamId);
}
List<String> list = new ArrayList<String>();
for (Attribute attribute : streamDefinition.getAttributeList()) {
list.add(attribute.getName());
}
Fields fields = new Fields(list);
declarer.declareStream(streamId, fields);
log.info("Declaring output field for stream -" + streamId);
}
}
