org.castor.cpa.query.ejbql
Class EjbQLTreeWalker

java.lang.Object
  org.castor.cpa.query.ejbql.EjbQLTreeWalker

All Implemented Interfaces:

EjbQLParserConstants, EjbQLParserTreeConstants

public final class EjbQLTreeWalker
extends Object
implements EjbQLParserTreeConstants, EjbQLParserConstants

EjbQL Parser TreeWalker which creates the OQ from a parsed EjbQL string.

Since:

1.3

Version:

$Revision: 7121 $ $Date: 2006-04-25 16:09:10 -0600 (Tue, 25 Apr 2006) $

Author:

Udai Gupta, Ralf Joachim

Field Summary

Fields inherited from interface org.castor.cpa.query.ejbql.EjbQLParserTreeConstants

JJTBETWEENEXPRESSION, JJTBOOLEANLITERAL, JJTCHARLITERAL, JJTCOMPARISONEXPRESSION, JJTCOMPARISONOPERATOR, JJTCONDITIONALEXPRESSION, JJTCONDITIONALFACTOR, JJTCONDITIONALPRIMARY, JJTCONDITIONALTERM, JJTDATELITERAL, JJTEJBQL, JJTEXPRESSION, JJTFACTOR, JJTFLOATLITERAL, JJTFROMCLAUSE, JJTFROMDECLARATION, JJTFUNCTION, JJTIDENTIFIER, JJTINEXPRESSION, JJTINITEM, JJTINTEGERLITERAL, JJTLIKEEXPRESSION, JJTLIMITCLAUSE, JJTLITERAL, JJTNAMEDPARAMETER, jjtNodeName, JJTNULLEXPRESSION, JJTORDERBYCLAUSE, JJTORDERBYITEM, JJTPARAMETER, JJTPATH, JJTPOSITIONALPARAMETER, JJTPRIMARY, JJTSELECTCLAUSE, JJTSELECTEXPRESSION, JJTSELECTSTATEMENT, JJTTERM, JJTTIMELITERAL, JJTTIMESTAMPLITERAL, JJTTRIMSPECIFICATION, JJTWHERECLAUSE

Fields inherited from interface org.castor.cpa.query.ejbql.EjbQLParserConstants

ABS, AND, AS, ASC, BETWEEN, BOOLEAN_LITERAL, BOTH, BY, CHAR_LITERAL, CONCAT, CONCATE, CURRENT_DATE, CURRENT_TIME, CURRENT_TIMESTAMP, DATE, DATE_LITERAL, DEFAULT, DESC, DIGIT, DISTINCT, DIVIDE, EOF, EQUAL, ESCAPE, FALSE, FLOAT_LITERAL, FROM, GREATEREQUAL, GREATERTHAN, IDENTIFIER, IN, INTEGER_LITERAL, IS, IS_DEFINED, IS_UNDEFINED, LEADING, LENGTH, LESSEQUAL, LESSTHAN, LETTER, LIKE, LIMIT, LOCATE, LOWER, MINUS, MOD, MULTIPLY, NIL, NOT, NOTEQUAL, NULL, OBJECT, OFFSET, OR, ORDER, PLUS, REMAINDER, SELECT, SQRT, SUBSTRING, TIME, TIME_LITERAL, TIMESTAMP, TIMESTAMP_LITERAL, tokenImage, TRAILING, TRIM, TRUE, UNDEFINED, UPPER, WHERE

Constructor Summary

EjbQLTreeWalker(SimpleNode node)
Instantiates a new Ejb ql tree walker.

Method Summary

SelectQuery	getSelect() Gets the select.
void	setSelect(SelectQuery select) Sets the select.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

EjbQLTreeWalker

public EjbQLTreeWalker(SimpleNode node)
                throws ParseException

Instantiates a new Ejb ql tree walker.

Parameters:

node - the node

Throws:

ParseException - Exception thrown by parser when parsing an invalid query.

ParseException

Method Detail

getSelect

public SelectQuery getSelect()

Gets the select.

Returns:

the select

setSelect

public void setSelect(SelectQuery select)

Sets the select.

Parameters:

select - the new select