/*
***************************************************************************************
* Copyright (C) 2006 EsperTech, Inc. All rights reserved. *
* http://www.espertech.com/esper *
* http://www.espertech.com *
* ---------------------------------------------------------------------------------- *
* The software in this package is published under the terms of the GPL license *
* a copy of which has been included with this distribution in the license.txt file. *
***************************************************************************************
*/
package com.espertech.esper.filter;
import com.espertech.esper.client.EventType;
/**
* 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.
*/
public interface FilterNonPropertyRegisteryService {
/**
* Register expression.
*
* @param statementName statement name
* @param eventType event type
* @param lookupable filter expression
*/
void registerNonPropertyExpression(String statementName, EventType eventType, FilterSpecLookupable lookupable);
/**
* Obtain expression
*
* @param eventTypeName event type name
* @param expression expression text
* @return lookupable
*/
FilterSpecLookupable getNonPropertyExpression(String eventTypeName, String expression);
/**
* Remove references to expression
*
* @param statementName statement name
*/
void removeReferencesStatement(String statementName);
}