com.ibm.tivoli.maximo.report.expr

Interface ExprParser.ParserHelper

All Known Implementing Classes:

CognosComplexExpressionBuilder.MaxRelationshipParserHelper, CognosUtil.CognosObjectCombinerExpressionHelper, CognosUtil.CognosObjectTypeExpressionHelper, CognosUtil.CognosReferenceExpressionHelper, FieldPlaceholderParserHelper, JoiningParserHelper, MaximoMacroParserHelper, MultiParserHelper

Enclosing class:

ExprParser

public static interface ExprParser.ParserHelper

Method Summary

Modifier and Type	Method and Description
Node	evaluateNode(Node parent, Node current) Parser Helper allows a subclass to extend the parser to create new node types, or change the parse tree during parsing.

Method Detail

evaluateNode

Node evaluateNode(Node parent,
                  Node current)

Parser Helper allows a subclass to extend the parser to create new node types, or change the parse tree during parsing.

Parameters:

parent - current parent Node (ie, Group, or Root node)

current - current node that was just created by the parser... BEFORE it gets added to the parent

Returns:

Node to be added to the parent, or Null, if no node should be added