NotNode (EclipseLink Core 3.0.3-RC2 API)

java.lang.Object
- org.eclipse.persistence.internal.jpa.parsing.Node
- - org.eclipse.persistence.internal.jpa.parsing.LogicalOperatorNode
  - - org.eclipse.persistence.internal.jpa.parsing.NotNode

```
public class NotNode
extends LogicalOperatorNode
```
INTERNAL
Purpose: Represent a NOT
Responsibilities:
- Generate the correct expression for a NOT
Since:

TopLink 4.0

Author:

Jon Driscoll and Joel Lucuik

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

Constructor Summary

Constructors
Constructor Description

NotNode()
Return a new NotNode.

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`Expression`	`generateExpression(GenerationContext context)`	INTERNAL Return a EclipseLink expression by calling generateExpression on the right node and adding .not() to the returned expression
`boolean`	`isNotNode()`	INTERNAL Is this node a Not node
`void`	`validate(ParseTreeContext context)`	INTERNAL Validate node and calculate its type.

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, 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

- Constructor Detail
  - NotNode
```
public NotNode()
```
    Return a new NotNode.
- Method Detail
  - validate
```
public void validate(ParseTreeContext context)
```
    INTERNAL Validate node and calculate its type.
    
    Overrides:
    
    validate in class LogicalOperatorNode
  - generateExpression
```
public Expression generateExpression(GenerationContext context)
```
    INTERNAL Return a EclipseLink expression by calling generateExpression on the right node and adding .not() to the returned expression
    
    Overrides:
    
    generateExpression in class Node
  - isNotNode
```
public boolean isNotNode()
```
    INTERNAL Is this node a Not node
    
    Overrides:
    
    isNotNode in class Node