Package org.apache.qpid.server.query.engine.parsing.expression.logic

Class NotExpression<T,R>

java.lang.Object

org.apache.qpid.server.query.engine.parsing.expression.AbstractExpressionNode<T,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:

Function<T,Boolean>, Predicate<T>, Expression<T,Boolean>, ExpressionNode<T,Boolean>

public class NotExpression<T,R>
extends AbstractExpressionNode<T,Boolean>
implements 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

Modifier and Type	Method	Description
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 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 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 Predicate<T>

Parameters:

value - Object to handle

Returns:

Evaluation result