Class LocateNode
- java.lang.Object
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- org.eclipse.persistence.internal.jpa.parsing.Node
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- org.eclipse.persistence.internal.jpa.parsing.FunctionalExpressionNode
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- org.eclipse.persistence.internal.jpa.parsing.ArithmeticFunctionNode
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- org.eclipse.persistence.internal.jpa.parsing.LocateNode
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- All Implemented Interfaces:
AliasableNode
public class LocateNode extends ArithmeticFunctionNode
INTERNALPurpose: Represent a LOCATE
Responsibilities:
- Generate the correct expression for a LOCATE
- Since:
- TopLink 4.0
- Author:
- Jon Driscoll and Joel Lucuik
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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 LocateNode()Return a new LocateNode.
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Method Summary
All Methods Instance Methods Concrete Methods Modifier and Type Method Description ExpressiongenerateExpression(GenerationContext context)INTERNAL Generate the EclipseLink expression for this nodeNodegetFind()NodegetFindIn()NodegetStartPosition()NodequalifyAttributeAccess(ParseTreeContext context)INTERNAL Check the child nodes for an unqualified field access and if so, replace them by a qualified field access.voidsetFind(Node newFind)voidsetFindIn(Node newFindIn)voidsetStartPosition(Node newStartPosition)voidvalidate(ParseTreeContext context)INTERNAL Validate node and calculate its type.-
Methods inherited from class org.eclipse.persistence.internal.jpa.parsing.FunctionalExpressionNode
applyToQuery, isAliasableNode
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Methods inherited from class org.eclipse.persistence.internal.jpa.parsing.Node
addToExpression, appendExpression, getAlias, getAsString, getColumn, getLeft, getLine, getRight, getType, hasLeft, hasRight, isAggregateNode, isAttributeNode, isConstructorNode, isCountNode, isDivideNode, isDotNode, isEscape, isLiteralNode, isMapKeyNode, isMinusNode, isMultiplyNode, isNotNode, isParameterNode, isPlusNode, isSubqueryNode, isVariableNode, resolveAttribute, resolveClass, resolveClass, resolveMapping, resolveMapping, setAlias, setColumn, setLeft, setLine, setRight, setType, toString, toString, toStringDisplayName, toStringIndent, validateParameter
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Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait
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Methods inherited from interface org.eclipse.persistence.internal.jpa.parsing.AliasableNode
getAlias, setAlias
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Method Detail
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qualifyAttributeAccess
public Node qualifyAttributeAccess(ParseTreeContext context)
INTERNAL Check the child nodes for an unqualified field access and if so, replace them by a qualified field access.- Overrides:
qualifyAttributeAccessin classNode
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validate
public void validate(ParseTreeContext context)
INTERNAL Validate node and calculate its type.
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generateExpression
public Expression generateExpression(GenerationContext context)
INTERNAL Generate the EclipseLink expression for this node- Overrides:
generateExpressionin classNode
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getFind
public Node getFind()
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getFindIn
public Node getFindIn()
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setFind
public void setFind(Node newFind)
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setFindIn
public void setFindIn(Node newFindIn)
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getStartPosition
public Node getStartPosition()
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setStartPosition
public void setStartPosition(Node newStartPosition)
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