NotExpression

java.lang.Object
- org.vedantatree.expressionoasis.expressions.UnaryOperatorExpression
- - org.vedantatree.expressionoasis.expressions.booleanexp.NotExpression

All Implemented Interfaces:

Expression
```
public class NotExpression
extends UnaryOperatorExpression
```
This is the logical not operator expression.

- Constructor Summary
  
  Constructors
  Constructor Description
  
  NotExpression()
- Method Summary
  
  All Methods Instance Methods Concrete Methods
  Modifier and Type Method Description
  
  ValueObject getValue()
  Returns the negative value.
  - Methods inherited from class org.vedantatree.expressionoasis.expressions.UnaryOperatorExpression
    accept, addTypePair, getOperandExpression, getReturnType, initialize, toString, uninitialize, validate
  - Methods inherited from class java.lang.Object
    clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

- Constructor Detail
  - NotExpression
```
public NotExpression()
```
- Method Detail
  - getValue
```
public ValueObject getValue()
                     throws ExpressionEngineException
```
    Returns the negative value.
    
    Returns:
    
    the value of expression (after expression evaluation)
    
    Throws:
    
    ExpressionEngineException - if there is any problem during execution
    
    See Also:
    
    Expression.getValue()