oracle.toplink.essentials.internal.parsing

Class AggregateNode

java.lang.Object

oracle.toplink.essentials.internal.parsing.Node

oracle.toplink.essentials.internal.parsing.AggregateNode

Direct Known Subclasses:

AvgNode, CountNode, MaxNode, MinNode, SumNode

public abstract class AggregateNode
extends Node

Field Summary

Fields inherited from class oracle.toplink.essentials.internal.parsing.Node

left, right, shouldGenerateExpression

Constructor Summary

Constructors

Constructor and Description
AggregateNode()

Method Summary

Modifier and Type	Method and Description
protected abstract Expression	addAggregateExression(Expression expr) INTERNAL
Expression	generateExpression(GenerationContext context) INTERNAL Return a TopLink expression generated using the left node
boolean	isAggregateNode() INTERNAL Is this node an Aggregate node
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 oracle.toplink.essentials.internal.parsing.Node

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

Methods inherited from class java.lang.Object

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

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 TopLink expression generated using the left node

Overrides:

generateExpression in class Node

addAggregateExression

protected abstract Expression addAggregateExression(Expression expr)

INTERNAL