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 Expression
generateExpression(GenerationContext context)
INTERNAL Generate the EclipseLink expression for this nodeNode
getFind()
Node
getFindIn()
Node
getStartPosition()
Node
qualifyAttributeAccess(ParseTreeContext context)
INTERNAL Check the child nodes for an unqualified field access and if so, replace them by a qualified field access.void
setFind(Node newFind)
void
setFindIn(Node newFindIn)
void
setStartPosition(Node newStartPosition)
void
validate(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:
qualifyAttributeAccess
in 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:
generateExpression
in 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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