org.eclipse.persistence.internal.jpa.parsing

Class LocateNode

java.lang.Object

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

org.eclipse.persistence.internal.jpa.parsing.FunctionalExpressionNode

org.eclipse.persistence.internal.jpa.parsing.ArithmeticFunctionNode

org.eclipse.persistence.internal.jpa.parsing.LocateNode

All Implemented Interfaces:

AliasableNode

public class LocateNode
extends ArithmeticFunctionNode

INTERNAL

Purpose: Represent a LOCATE

Responsibilities:

• Generate the correct expression for a LOCATE

Since:

TopLink 4.0

Author:

Jon Driscoll and Joel Lucuik

Field Summary

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

shouldGenerateExpression

Constructor Summary

Constructors

Constructor and Description
LocateNode() Return a new LocateNode.

Method Summary

Modifier and Type	Method and Description
Expression	generateExpression(GenerationContext context) INTERNAL Generate the EclipseLink expression for this node
Node	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

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

Methods inherited from class java.lang.Object

equals, getClass, hashCode, notify, notifyAll, wait, wait, wait

Methods inherited from interface org.eclipse.persistence.internal.jpa.parsing.AliasableNode

getAlias, setAlias

Constructor Detail

LocateNode

public LocateNode()

Return a new LocateNode.

Method Detail

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 class Node

validate

public void validate(ParseTreeContext context)

INTERNAL Validate node and calculate its type.

Overrides:

validate in class Node

generateExpression

public Expression generateExpression(GenerationContext context)

INTERNAL Generate the EclipseLink expression for this node

Overrides:

generateExpression in class Node

getFind

public Node getFind()

getFindIn

public Node getFindIn()

setFind

public void setFind(Node newFind)

setFindIn

public void setFindIn(Node newFindIn)

getStartPosition

public Node getStartPosition()

setStartPosition

public void setStartPosition(Node newStartPosition)