Class FuncNode
- 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.FuncNode
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- All Implemented Interfaces:
AliasableNode
public class FuncNode extends FunctionalExpressionNode
INTERNALPurpose:
Responsibilities:
- Generate expression for custom functions Example: "SELECT FUNC('NVL', e.firstName, 'NoFirstName') FROM Employee e"
- Since:
- Eclipselink 2.1
- Author:
- Andrei Ilitchev
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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 Modifier Constructor Description protected
FuncNode()
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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 nodeString
getName()
List
getParameters()
void
setName(String name)
void
setParameters(List parameters)
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, qualifyAttributeAccess, 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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setName
public void setName(String name)
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getName
public String getName()
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setParameters
public void setParameters(List parameters)
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getParameters
public List getParameters()
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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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generateExpression
public Expression generateExpression(GenerationContext context)
INTERNAL Generate the EclipseLink expression for this node- Overrides:
generateExpression
in classNode
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