net.esper.eql.subquery
Interface SubqueryTableLookupStrategy
- All Known Implementing Classes:
- FullTableScanLookupStrategy, IndexedTableLookupStrategy, IndexedTableLookupStrategyCoercing
public interface SubqueryTableLookupStrategy
Strategy for looking up, in some sort of table or index, or a set of events, potentially based on the
events properties, and returning a set of matched events.
lookup
Set<EventBean> lookup(EventBean[] events)
- Returns matched events for a set of events to look up for. Never returns an empty result set,
always returns null to indicate no results.
- Parameters:
events
- to look up
- Returns:
- set of matching events, or null if none matching