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java.lang.Object org.apache.commons.collections.functors.NullIsExceptionPredicate<T>
public final class NullIsExceptionPredicate<T>
Predicate implementation that throws an exception if the input is null.
Constructor Summary | |
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NullIsExceptionPredicate(Predicate<T> predicate)
Constructor that performs no validation. |
Method Summary | ||
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boolean |
evaluate(T object)
Evaluates the predicate returning the result of the decorated predicate once a null check is performed. |
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static
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getInstance(Predicate<T> predicate)
Factory to create the null exception predicate. |
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Predicate<? super T>[] |
getPredicates()
Gets the predicate being decorated. |
Methods inherited from class java.lang.Object |
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clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Constructor Detail |
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public NullIsExceptionPredicate(Predicate<T> predicate)
getInstance
if you want that.
predicate
- the predicate to call after the null checkMethod Detail |
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public static <T> Predicate<T> getInstance(Predicate<T> predicate)
predicate
- the predicate to decorate, not null
IllegalArgumentException
- if the predicate is nullpublic boolean evaluate(T object)
evaluate
in interface Predicate<T>
object
- the input object
FunctorException
- if input is nullpublic Predicate<? super T>[] getPredicates()
getPredicates
in interface PredicateDecorator<T>
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