net.esper.eql.join
Interface JoinSetComposer
- All Known Implementing Classes:
- JoinSetComposerImpl
public interface JoinSetComposer
Interface for populating a join tuple result set from new data and old data for each stream.
join
UniformPair<Set<MultiKey<EventBean>>> join(EventBean[][] newDataPerStream,
EventBean[][] oldDataPerStream)
- Return join tuple result set from new data and old data for each stream.
- Parameters:
newDataPerStream
- - for each stream the event array (can be null).oldDataPerStream
- - for each stream the event array (can be null).
- Returns:
- join tuples