Class TransformerPredicate<T>
java.lang.Object
org.apache.commons.collections4.functors.TransformerPredicate<T>
- All Implemented Interfaces:
Serializable
,Predicate<T>
,Predicate<T>
Predicate implementation that returns the result of a transformer.
- Since:
- 3.0
- See Also:
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Constructor Summary
ConstructorDescriptionTransformerPredicate
(Transformer<? super T, Boolean> transformer) Constructor that performs no validation. -
Method Summary
Modifier and TypeMethodDescriptionboolean
Evaluates the predicate returning the result of the decorated transformer.Transformer<? super T,
Boolean> Gets the transformer.static <T> Predicate<T>
transformerPredicate
(Transformer<? super T, Boolean> transformer) Factory to create the predicate.
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Constructor Details
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TransformerPredicate
Constructor that performs no validation. UsetransformerPredicate
if you want that.- Parameters:
transformer
- the transformer to decorate
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Method Details
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transformerPredicate
Factory to create the predicate.- Type Parameters:
T
- the type that the predicate queries- Parameters:
transformer
- the transformer to decorate- Returns:
- the predicate
- Throws:
NullPointerException
- if the transformer is null
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evaluate
Evaluates the predicate returning the result of the decorated transformer.- Specified by:
evaluate
in interfacePredicate<T>
- Parameters:
object
- the input object- Returns:
- true if decorated transformer returns Boolean.TRUE
- Throws:
FunctorException
- if the transformer returns an invalid type
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getTransformer
Gets the transformer.- Returns:
- the transformer
- Since:
- 3.1
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