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

Class UnaryMinus

java.lang.Object

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

org.eclipse.persistence.internal.jpa.parsing.UnaryMinus

public class UnaryMinus
extends Node

INTERNAL

Purpose: Represent an unary '-' in EJBQL

Responsibilities:

• Generate the correct expression for an unary '-'

Field Summary

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

alias, left, right, shouldGenerateExpression

Constructor Summary

Constructors

Constructor	Description
UnaryMinus()

Method Summary

Modifier and Type	Method	Description
Expression	generateExpression(GenerationContext context)	INTERNAL Generate the expression.
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.Node

addToExpression, appendExpression, applyToQuery, getAlias, getAsString, getColumn, getLeft, getLine, getRight, getType, hasLeft, hasRight, isAggregateNode, isAliasableNode, 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

Constructor Detail

UnaryMinus

public UnaryMinus()

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 expression.

Overrides:

generateExpression in class Node