Class NotPredicate<T>
java.lang.Object
org.apache.commons.collections4.functors.AbstractPredicate<T>
org.apache.commons.collections4.functors.NotPredicate<T>
- Type Parameters:
T- the type of the input to the predicate.
- All Implemented Interfaces:
Serializable,Predicate<T>,PredicateDecorator<T>,Predicate<T>
public final class NotPredicate<T>
extends AbstractPredicate<T>
implements PredicateDecorator<T>, Serializable
Predicate implementation that returns the opposite of the decorated predicate.
- Since:
- 3.0
- See Also:
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Constructor Summary
ConstructorsConstructorDescriptionNotPredicate(Predicate<? super T> predicate) Constructor that performs no validation. -
Method Summary
Modifier and TypeMethodDescriptionGets the predicate being decorated.static <T> Predicate<T> notPredicate(Predicate<? super T> predicate) Creates the not predicate.booleanEvaluates the predicate returning the opposite to the stored predicate.Methods inherited from class org.apache.commons.collections4.functors.AbstractPredicate
evaluate
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Constructor Details
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NotPredicate
Constructor that performs no validation. UsenotPredicateif you want that.- Parameters:
predicate- the predicate to call after the null check
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Method Details
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notPredicate
Creates the not predicate.- Type Parameters:
T- the type that the predicate queries- Parameters:
predicate- the predicate to decorate, not null- Returns:
- the predicate
- Throws:
NullPointerException- if the predicate is null
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getPredicates
Gets the predicate being decorated.- Specified by:
getPredicatesin interfacePredicateDecorator<T>- Returns:
- the predicate as the only element in an array
- Since:
- 3.1
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test
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