Interface FailablePredicate<T,E extends Throwable>
- Type Parameters:
T- Predicate type.E- The kind of thrown exception or error.
- Functional Interface:
- This is a functional interface and can therefore be used as the assignment target for a lambda expression or method reference.
- Since:
- 3.11
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Field Summary
FieldsModifier and TypeFieldDescriptionstatic final FailablePredicateFALSE singletonstatic final FailablePredicateTRUE singleton -
Method Summary
Modifier and TypeMethodDescriptiondefault FailablePredicate<T, E> and(FailablePredicate<? super T, E> other) Returns a composedFailablePredicatelikePredicate.and(Predicate).static <T,E extends Throwable>
FailablePredicate<T, E> Returns The FALSE singleton.default FailablePredicate<T, E> negate()Returns a predicate that negates this predicate.default FailablePredicate<T, E> or(FailablePredicate<? super T, E> other) Returns a composedFailablePredicatelikePredicate.and(Predicate).booleanTests the predicate.static <T,E extends Throwable>
FailablePredicate<T, E> Returns The TRUE singleton.
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Field Details
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FALSE
FALSE singleton -
TRUE
TRUE singleton
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Method Details
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falsePredicate
Returns The FALSE singleton.- Type Parameters:
T- Predicate type.E- The kind of thrown exception or error.- Returns:
- The NOP singleton.
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truePredicate
Returns The TRUE singleton.- Type Parameters:
T- Predicate type.E- The kind of thrown exception or error.- Returns:
- The NOP singleton.
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and
Returns a composedFailablePredicatelikePredicate.and(Predicate).- Parameters:
other- a predicate that will be logically-ANDed with this predicate.- Returns:
- a composed
FailablePredicatelikePredicate.and(Predicate). - Throws:
NullPointerException- if other is null
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negate
Returns a predicate that negates this predicate.- Returns:
- a predicate that negates this predicate.
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or
Returns a composedFailablePredicatelikePredicate.and(Predicate).- Parameters:
other- a predicate that will be logically-ORed with this predicate.- Returns:
- a composed
FailablePredicatelikePredicate.and(Predicate). - Throws:
NullPointerException- if other is null
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test
Tests the predicate.- Parameters:
object- the object to test the predicate on- Returns:
- the predicate's evaluation
- Throws:
E- if the predicate fails
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