com.espertech.esper.epl.core

Interface ResultSetProcessorFactory

All Known Implementing Classes:

ResultSetProcessorAggregateAllFactory, ResultSetProcessorAggregateGroupedFactory, ResultSetProcessorHandThroughFactory, ResultSetProcessorRowForAllFactory, ResultSetProcessorRowPerGroupFactory, ResultSetProcessorRowPerGroupRollupFactory, ResultSetProcessorSimpleFactory

public interface ResultSetProcessorFactory

Processor prototype for result sets for instances that apply the select-clause, group-by-clause and having-clauses as supplied.

Method Summary

Modifier and Type	Method and Description
EventType	getResultEventType() Returns the event type of processed results.
ResultSetProcessorType	getResultSetProcessorType() Returns the type of result set processor.
boolean	hasAggregation()
ResultSetProcessor	instantiate(OrderByProcessor orderByProcessor, AggregationService aggregationService, AgentInstanceContext agentInstanceContext)

Method Detail

getResultEventType

EventType getResultEventType()

Returns the event type of processed results.

Returns:

event type of the resulting events posted by the processor.

hasAggregation

boolean hasAggregation()

instantiate

ResultSetProcessor instantiate(OrderByProcessor orderByProcessor,
                               AggregationService aggregationService,
                               AgentInstanceContext agentInstanceContext)

getResultSetProcessorType

ResultSetProcessorType getResultSetProcessorType()

Returns the type of result set processor.

Returns:

result set processor type