org.objectweb.jonas_ejb.lib.EjbqlSelectVisitor Class Reference

Inherits org.objectweb.jonas_ejb.lib.EjbqlAbstractVisitor.

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Public Member Functions
	EjbqlSelectVisitor (ASTEJBQL ejbql, Map _fields, SelectProject sp) throws Exception
QueryTree	getQueryTree ()
Object	visit (ASTSelectClause node, Object data)
Object	visit (ASTSelectExpression node, Object data)
Object	visit (ASTAggregateSelectExpression node, Object data)
Object	visit (ASTCmpPathExpression node, Object data)
Object	visit (ASTSingleValuedCmrPathExpression node, Object data)
Object	visit (ASTSingleValuedPathExpression node, Object data)
Object	visit (ASTIdentificationVariable node, Object data)
Object	visit (ASTPath node, Object data)

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Detailed Description

Implementation of a visitor that creates the selection projection for corresponding to a given WHERE clause. Created on Sep 6, 2002

Author:

Christophe Ney [cney@batisseurs.com]: Initial developer

Helene Joanin: Take into account the EJBQL version 2.1 syntax.

Helene Joanin: Take into account the aggregate select expression.

Definition at line 63 of file EjbqlSelectVisitor.java.

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Constructor & Destructor Documentation

org.objectweb.jonas_ejb.lib.EjbqlSelectVisitor.EjbqlSelectVisitor (  ASTEJBQL  ejbql, Map  _fields, SelectProject  sp )  throws Exception

Constructor Parameters: ejbql  root of the lexical tree of the query _fields  Map with (identifier,JormExtent) pairs Definition at line 74 of file EjbqlSelectVisitor.java. References org.objectweb.jonas_ejb.lib.EjbqlSelectVisitor.visit().

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Member Function Documentation

QueryTree org.objectweb.jonas_ejb.lib.EjbqlSelectVisitor.getQueryTree (   )

get the query tree that was built from visiting the lexical tree. This is a nest if there is an aggregate function or a select projet otherwise. Definition at line 84 of file EjbqlSelectVisitor.java. Referenced by org.objectweb.jonas_ejb.lib.EjbqlQueryTreeHolder.EjbqlQueryTreeHolder().

Object org.objectweb.jonas_ejb.lib.EjbqlSelectVisitor.visit (  ASTPath  node, Object  data )

Push the Node to the stack Reimplemented from org.objectweb.jonas_ejb.lib.EjbqlAbstractVisitor. Definition at line 204 of file EjbqlSelectVisitor.java.

Object org.objectweb.jonas_ejb.lib.EjbqlSelectVisitor.visit (  ASTIdentificationVariable  node, Object  data )

Push the Node to the stack Reimplemented from org.objectweb.jonas_ejb.lib.EjbqlAbstractVisitor. Definition at line 196 of file EjbqlSelectVisitor.java.

Object org.objectweb.jonas_ejb.lib.EjbqlSelectVisitor.visit (  ASTSingleValuedPathExpression  node, Object  data )

Visit child node Reimplemented from org.objectweb.jonas_ejb.lib.EjbqlAbstractVisitor. Definition at line 189 of file EjbqlSelectVisitor.java. References org.objectweb.jonas_ejb.lib.EjbqlSelectVisitor.visit().

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Object org.objectweb.jonas_ejb.lib.EjbqlSelectVisitor.visit (  ASTSingleValuedCmrPathExpression  node, Object  data )

Visit child node Reimplemented from org.objectweb.jonas_ejb.lib.EjbqlAbstractVisitor. Definition at line 182 of file EjbqlSelectVisitor.java. References org.objectweb.jonas_ejb.lib.EjbqlSelectVisitor.visit().

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Object org.objectweb.jonas_ejb.lib.EjbqlSelectVisitor.visit (  ASTCmpPathExpression  node, Object  data )

Visit child node Reimplemented from org.objectweb.jonas_ejb.lib.EjbqlAbstractVisitor. Definition at line 175 of file EjbqlSelectVisitor.java. References org.objectweb.jonas_ejb.lib.EjbqlSelectVisitor.visit().

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Object org.objectweb.jonas_ejb.lib.EjbqlSelectVisitor.visit (  ASTAggregateSelectExpression  node, Object  data )

Visit child node Reimplemented from org.objectweb.jonas_ejb.lib.EjbqlAbstractVisitor. Definition at line 143 of file EjbqlSelectVisitor.java. References org.objectweb.jonas_ejb.deployment.ejbql.SimpleNode.distinct, org.objectweb.jonas_ejb.deployment.ejbql.SimpleNode.ops, and org.objectweb.jonas_ejb.lib.EjbqlSelectVisitor.visit().

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Object org.objectweb.jonas_ejb.lib.EjbqlSelectVisitor.visit (  ASTSelectExpression  node, Object  data )

Visit child node Reimplemented from org.objectweb.jonas_ejb.lib.EjbqlAbstractVisitor. Definition at line 136 of file EjbqlSelectVisitor.java. References org.objectweb.jonas_ejb.lib.EjbqlSelectVisitor.visit().

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Object org.objectweb.jonas_ejb.lib.EjbqlSelectVisitor.visit (  ASTSelectClause  node, Object  data )

Visit child node. SELECT [ DISTINCT ] {select_expression | OBJECT (identification_variable)} Reimplemented from org.objectweb.jonas_ejb.lib.EjbqlAbstractVisitor. Definition at line 92 of file EjbqlSelectVisitor.java. References org.objectweb.jonas_ejb.deployment.ejbql.SimpleNode.distinct. Referenced by org.objectweb.jonas_ejb.lib.EjbqlSelectVisitor.EjbqlSelectVisitor(), and org.objectweb.jonas_ejb.lib.EjbqlSelectVisitor.visit().

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The documentation for this class was generated from the following file:

• src/org/objectweb/jonas_ejb/lib/EjbqlSelectVisitor.java

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