Package org.eclipse.persistence.internal.jpa.parsing

Class WhenThenNode

java.lang.Object

org.eclipse.persistence.internal.jpa.parsing.Node

org.eclipse.persistence.internal.jpa.parsing.WhenThenNode

public class WhenThenNode
extends Node

INTERNAL

Purpose: Represent an WHEN x THEN y (part of CASE statement) in EJBQL

Responsibilities:

• Generate the correct expression for an WHEN THEN in EJBQL

Since:

EclipseLink 1.2

Author:

tware

Field Summary

Fields inherited from class org.eclipse.persistence.internal.jpa.parsing.Node

alias, left, right, shouldGenerateExpression

Constructor Summary

Constructors

Constructor	Description
WhenThenNode()

Method Summary

Modifier and Type	Method	Description
Expression	generateExpressionForThen(GenerationContext context)	INTERNAL Generate the a new EclipseLink the THEN portion of this node.
Expression	generateExpressionForWhen(GenerationContext context)	INTERNAL Generate the a new EclipseLink Expression for this WHEN portion of this node.
void	validate(ParseTreeContext context)	INTERNAL Validate node and calculate its type.

Methods inherited from class org.eclipse.persistence.internal.jpa.parsing.Node

addToExpression, appendExpression, applyToQuery, generateExpression, getAlias, getAsString, getColumn, getLeft, getLine, getRight, getType, hasLeft, hasRight, isAggregateNode, isAliasableNode, isAttributeNode, isConstructorNode, isCountNode, isDivideNode, isDotNode, isEscape, isLiteralNode, isMapKeyNode, isMinusNode, isMultiplyNode, isNotNode, isParameterNode, isPlusNode, isSubqueryNode, isVariableNode, qualifyAttributeAccess, resolveAttribute, resolveClass, resolveClass, resolveMapping, resolveMapping, setAlias, setColumn, setLeft, setLine, setRight, setType, toString, toString, toStringDisplayName, toStringIndent, validateParameter

Methods inherited from class java.lang.Object

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

Constructor Detail

WhenThenNode

public WhenThenNode()

Method Detail

generateExpressionForWhen

public Expression generateExpressionForWhen(GenerationContext context)

INTERNAL Generate the a new EclipseLink Expression for this WHEN portion of this node.

generateExpressionForThen

public Expression generateExpressionForThen(GenerationContext context)

INTERNAL Generate the a new EclipseLink the THEN portion of this node.

validate

public void validate(ParseTreeContext context)

Description copied from class: Node

INTERNAL Validate node and calculate its type.

Overrides:

validate in class Node