org.eclipse.persistence.internal.jpa.parsing

Class AggregateNode

java.lang.Object

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

org.eclipse.persistence.internal.jpa.parsing.AggregateNode

All Implemented Interfaces:

AliasableNode

Direct Known Subclasses:

AvgNode, CountNode, MaxNode, MinNode, SumNode

public abstract class AggregateNode
extends Node
implements AliasableNode

Field Summary

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

shouldGenerateExpression

Constructor Summary

Constructors

Constructor and Description
AggregateNode()

Method Summary

Modifier and Type	Method and Description
Expression	generateExpression(GenerationContext context) INTERNAL Return a EclipseLink expression generated using the left node
boolean	isAggregateNode() INTERNAL Is this node an Aggregate node
boolean	isAliasableNode()
java.lang.String	resolveAttribute() INTERNAL
java.lang.Class	resolveClass(GenerationContext context) resolveClass: Answer the class associated with my left node.
void	setDistinct(boolean distinct)
boolean	usesDistinct()

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

addToExpression, appendExpression, applyToQuery, getAlias, getAsString, getColumn, getLeft, getLine, getRight, getType, hasLeft, hasRight, isAttributeNode, isConstructorNode, isCountNode, isDivideNode, isDotNode, isEscape, isLiteralNode, isMapKeyNode, isMinusNode, isMultiplyNode, isNotNode, isParameterNode, isPlusNode, isSubqueryNode, isVariableNode, qualifyAttributeAccess, resolveClass, resolveMapping, resolveMapping, setAlias, setColumn, setLeft, setLine, setRight, setType, toString, toString, toStringDisplayName, toStringIndent, validate, 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

AggregateNode

public AggregateNode()

Method Detail

resolveAttribute

public java.lang.String resolveAttribute()

INTERNAL

Overrides:

resolveAttribute in class Node

resolveClass

public java.lang.Class resolveClass(GenerationContext context)

resolveClass: Answer the class associated with my left node.

Overrides:

resolveClass in class Node

isAggregateNode

public boolean isAggregateNode()

INTERNAL Is this node an Aggregate node

Overrides:

isAggregateNode in class Node

usesDistinct

public boolean usesDistinct()

setDistinct

public void setDistinct(boolean distinct)

generateExpression

public Expression generateExpression(GenerationContext context)

INTERNAL Return a EclipseLink expression generated using the left node

Overrides:

generateExpression in class Node

isAliasableNode

public boolean isAliasableNode()

Overrides:

isAliasableNode in class Node