NotExpression (Apache Qpid Broker-J Query Engine Plug-In 9.0.0 API)

java.lang.Object
- org.apache.qpid.server.query.engine.parsing.expression.AbstractExpressionNode<T,java.lang.Boolean>
- - org.apache.qpid.server.query.engine.parsing.expression.logic.NotExpression<T,R>

Type Parameters:

T - Input parameter type

R - Return parameter type

All Implemented Interfaces:

java.util.function.Function<T,java.lang.Boolean>, java.util.function.Predicate<T>, Expression<T,java.lang.Boolean>, ExpressionNode<T,java.lang.Boolean>
```
public class NotExpression<T,R>
extends AbstractExpressionNode<T,java.lang.Boolean>
implements java.util.function.Predicate<T>
```
Logical NOT expression.

Field Summary
- Fields inherited from class org.apache.qpid.server.query.engine.parsing.expression.AbstractExpressionNode
  _metadata

Constructor Summary

Constructors
Constructor Description

NotExpression(Expression<T,R> source)
Constructor initializes children expression list

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`java.lang.Boolean`	`apply(T value)`	Performs logical NOT operation using parameters and the value supplied
`boolean`	`test(T value)`	Performs logical NOT operation using parameters and the value supplied

Methods inherited from class org.apache.qpid.server.query.engine.parsing.expression.AbstractExpressionNode
containsAggregation, ctx, evaluateChild, getAggregations, getAlias, getChild, getChildren, getParent, isAccessor, isInstantlyEvaluable, setAlias, setParent, toString

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Methods inherited from interface org.apache.qpid.server.query.engine.parsing.expression.Expression
andThen

Methods inherited from interface java.util.function.Function
andThen, compose

Methods inherited from interface java.util.function.Predicate
and, negate, or

- Constructor Detail
  - NotExpression
```
public NotExpression(Expression<T,R> source)
```
    Constructor initializes children expression list
    
    Parameters:
    
    source - Source expression
- Method Detail
  - apply
```
public java.lang.Boolean apply(T value)
```
    Performs logical NOT operation using parameters and the value supplied
    
    Specified by:
    
    apply in interface Expression<T,R>
    
    Specified by:
    
    apply in interface java.util.function.Function<T,R>
    
    Parameters:
    
    value - Object to handle
    
    Returns:
    
    Evaluation result
  - test
```
public boolean test(T value)
```
    Performs logical NOT operation using parameters and the value supplied
    
    Specified by:
    
    test in interface java.util.function.Predicate<T>
    
    Parameters:
    
    value - Object to handle
    
    Returns:
    
    Evaluation result