Package org.eclipse.persistence.internal.jpa.parsing

Class AbsNode

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.AbsNode

All Implemented Interfaces:

AliasableNode

public class AbsNode
extends ArithmeticFunctionNode

INTERNAL

Purpose: Represent an ABS in EJBQL

Responsibilities:

• Generate the correct expression for an ABS in EJBQL

Since:

TopLink 4.0

Author:

Jon Driscoll and Joel Lucuik

Field Summary

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

alias, left, right, shouldGenerateExpression

Constructor Summary

Constructors

Constructor	Description
AbsNode()

Method Summary

Modifier and Type	Method	Description
Expression	generateExpression(GenerationContext context)	INTERNAL Generate the EclipseLink expression for this node
void	validate(ParseTreeContext context)	INTERNAL Validate node and calculate its type.
void	validateParameter(ParseTreeContext context, Object contextType)	INTERNAL

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, qualifyAttributeAccess, resolveAttribute, resolveClass, resolveClass, resolveMapping, resolveMapping, setAlias, setColumn, setLeft, setLine, setRight, setType, toString, toString, toStringDisplayName, toStringIndent

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

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

getAlias, setAlias

Constructor Detail

AbsNode

public AbsNode()

Method Detail

validate

public void validate(ParseTreeContext context)

INTERNAL Validate node and calculate its type.

Overrides:

validate in class Node

validateParameter

public void validateParameter(ParseTreeContext context,
                              Object contextType)

INTERNAL

Overrides:

validateParameter in class Node

generateExpression

public Expression generateExpression(GenerationContext context)

INTERNAL Generate the EclipseLink expression for this node

Overrides:

generateExpression in class Node