Module org.eclipse.persistence.core

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

Class SizeNode

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.SizeNode

All Implemented Interfaces:

AliasableNode

public class SizeNode
extends ArithmeticFunctionNode

INTERNAL

Purpose: Represent a SIZE function

Responsibilities:

• Generate the correct expression for SIZE

Field Summary

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

alias, left, right, shouldGenerateExpression

Constructor Summary

Constructors

Constructor	Description
SizeNode()	Return a new SizeNode.

Method Summary

Modifier and Type	Method	Description
void	applyToQuery(ObjectLevelReadQuery theQuery, GenerationContext context)	INTERNAL Apply this node to the passed query
Expression	generateExpression(GenerationContext context)	INTERNAL Generate the EclipseLink expression for this node
void	validate(ParseTreeContext context)	INTERNAL Validate node and calculate its type.

Methods inherited from class org.eclipse.persistence.internal.jpa.parsing.FunctionalExpressionNode

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, validateParameter

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 Details

SizeNode

public SizeNode()

Return a new SizeNode.

Method Details

applyToQuery

public void applyToQuery(ObjectLevelReadQuery theQuery,
 GenerationContext context)

INTERNAL Apply this node to the passed query

Overrides:

applyToQuery in class FunctionalExpressionNode

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