com.espertech.esper.filter

Interface FilterNonPropertyRegisteryService

All Known Implementing Classes:

FilterNonPropertyRegisteryServiceImpl

public interface FilterNonPropertyRegisteryService

Service to provide engine-wide access to filter expressions that do not originate from event property values, i.e. expressions that cannot be reproduced by obtaining a getter from the event type.

Method Summary

Modifier and Type	Method and Description
FilterSpecLookupable	getNonPropertyExpression(java.lang.String eventTypeName, java.lang.String expression) Obtain expression
void	registerNonPropertyExpression(java.lang.String statementName, EventType eventType, FilterSpecLookupable lookupable) Register expression.
void	removeReferencesStatement(java.lang.String statementName) Remove references to expression

Method Detail

registerNonPropertyExpression

void registerNonPropertyExpression(java.lang.String statementName,
                                   EventType eventType,
                                   FilterSpecLookupable lookupable)

Register expression.

Parameters:

statementName - statement name

eventType - event type

lookupable - filter expression

getNonPropertyExpression

FilterSpecLookupable getNonPropertyExpression(java.lang.String eventTypeName,
                                              java.lang.String expression)

Obtain expression

Parameters:

eventTypeName - event type name

expression - expression text

Returns:

lookupable

removeReferencesStatement

void removeReferencesStatement(java.lang.String statementName)

Remove references to expression

Parameters:

statementName - statement name