public ConversionAttributeProcessor(
Expression[] expressions,
List<QueryEventStream> queryEventStreamList,
OutputAttributeProcessorFactory outputAttributeProcessorFactory,
SiddhiContext siddhiContext) {
this.expressionExecutor =
ExecutorParser.parseExpression(
expressions[0], queryEventStreamList, null, false, siddhiContext);
this.attributeConverterFactory = outputAttributeProcessorFactory;
this.outputAttributeProcessor =
outputAttributeProcessorFactory.createAggregator(expressionExecutor.getType());
}
public AbstractAggregationAttributeProcessor(
Expression[] expressions,
List<QueryEventSource> queryEventSourceList,
OutputAttributeAggregatorFactory outputAttributeAggregatorFactory,
String elementId,
SiddhiContext siddhiContext) {
this.outputAttributeAggregatorFactory = outputAttributeAggregatorFactory;
this.siddhiContext = siddhiContext;
this.expressionExecutors = new ArrayList<ExpressionExecutor>();
for (Expression expression : expressions) {
this.expressionExecutors.add(
ExecutorParser.parseExpression(
expression, queryEventSourceList, null, false, siddhiContext));
}
this.elementId = elementId;
Attribute.Type[] attributeTypes = new Attribute.Type[expressionExecutors.size()];
for (int i = 0; i < expressionExecutors.size(); i++) {
attributeTypes[i] = expressionExecutors.get(i).getReturnType();
}
this.sampleOutputAttributeAggregator =
outputAttributeAggregatorFactory.createAttributeAggregator(attributeTypes);
siddhiContext.addEternalReferencedHolder(sampleOutputAttributeAggregator);
size = expressionExecutors.size();
}