com.espertech.esper.filter

Interface FilterHandleCallback

All Superinterfaces:

FilterHandle

All Known Implementing Classes:

BaseSubscription, ContextControllerHashedFilterCallback, ContextControllerPartitionedFilterCallback, EvalFilterStateNode, EvalFilterStateNodeConsumeImpl, EventBusSource

public interface FilterHandleCallback
extends FilterHandle

Interface for a callback method to be called when an event matches a filter specification. Provided as a convenience for use as a filter handle for registering with the FilterService.

Method Summary

Modifier and Type	Method and Description
boolean	isSubSelect() Returns true if the filter applies to subselects.
void	matchFound(EventBean theEvent, Collection<FilterHandleCallback> allStmtMatches) Indicate that an event was evaluated by the FilterService which matches the filter specification FilterSpecCompiled associated with this callback.

Methods inherited from interface com.espertech.esper.filter.FilterHandle

getStatementId

Method Detail

matchFound

void matchFound(EventBean theEvent,
                Collection<FilterHandleCallback> allStmtMatches)

Indicate that an event was evaluated by the FilterService which matches the filter specification FilterSpecCompiled associated with this callback.

Parameters:

theEvent - - the event received that matches the filter specification

allStmtMatches - - collection of matches that represent all matches for the same statement

isSubSelect

boolean isSubSelect()

Returns true if the filter applies to subselects.

Returns:

subselect filter