AvgNode

java.lang.Object
- org.eclipse.persistence.internal.jpa.parsing.Node
- - org.eclipse.persistence.internal.jpa.parsing.AggregateNode
  - - org.eclipse.persistence.internal.jpa.parsing.AvgNode

All Implemented Interfaces:

AliasableNode
```
public class AvgNode
extends AggregateNode
```
INTERNAL
Purpose: Model a AVG
Responsibilities:
- Apply itself to a query correctly

Field Summary
- Fields inherited from class org.eclipse.persistence.internal.jpa.parsing.Node
  alias, left, right, shouldGenerateExpression

Constructor Summary

Constructors
Constructor Description

AvgNode()

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`protected Expression`	`addAggregateExression(Expression expr)`	INTERNAL
`void`	`applyToQuery(ObjectLevelReadQuery theQuery, GenerationContext context)`	INTERNAL Apply this node to the passed query
`java.lang.String`	`getAsString()`	INTERNAL Get the string representation of this node.
`void`	`validate(ParseTreeContext context)`	INTERNAL Validate node and calculate its type.

Methods inherited from class org.eclipse.persistence.internal.jpa.parsing.AggregateNode
generateExpression, isAggregateNode, isAliasableNode, resolveAttribute, resolveClass, setDistinct, usesDistinct

Methods inherited from class org.eclipse.persistence.internal.jpa.parsing.Node
addToExpression, appendExpression, getAlias, 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, 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 Detail
  - AvgNode
```
public AvgNode()
```
- Method Detail
  - applyToQuery
```
public void applyToQuery(ObjectLevelReadQuery theQuery,
                         GenerationContext context)
```
    INTERNAL Apply this node to the passed query
    
    Overrides:
    
    applyToQuery in class Node
  - validate
```
public void validate(ParseTreeContext context)
```
    INTERNAL Validate node and calculate its type.
    
    Overrides:
    
    validate in class Node
  - addAggregateExression
```
protected Expression addAggregateExression(Expression expr)
```
    INTERNAL
    
    Specified by:
    
    addAggregateExression in class AggregateNode
  - getAsString
```
public java.lang.String getAsString()
```
    INTERNAL Get the string representation of this node.
    
    Overrides:
    
    getAsString in class Node