Class WhenThenNode
- java.lang.Object
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- org.eclipse.persistence.internal.jpa.parsing.Node
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- org.eclipse.persistence.internal.jpa.parsing.WhenThenNode
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public class WhenThenNode extends Node
INTERNALPurpose: 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
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Field Summary
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Fields inherited from class org.eclipse.persistence.internal.jpa.parsing.Node
alias, left, right, shouldGenerateExpression
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Constructor Summary
Constructors Constructor Description WhenThenNode()
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Method Summary
All Methods Instance Methods Concrete Methods 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
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Method Detail
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generateExpressionForWhen
public Expression generateExpressionForWhen(GenerationContext context)
INTERNAL Generate the a new EclipseLink Expression for this WHEN portion of this node.
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generateExpressionForThen
public Expression generateExpressionForThen(GenerationContext context)
INTERNAL Generate the a new EclipseLink the THEN portion of this node.
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validate
public void validate(ParseTreeContext context)
Description copied from class:Node
INTERNAL Validate node and calculate its type.
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