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java.lang.Objectorg.apache.commons.collections.functors.OnePredicate
Predicate implementation that returns true if only one of the predicates return true. If the array of predicates is empty, then this predicate returns false.
NOTE: In versions prior to 3.2 an array size of zero or one threw an exception.
Constructor Summary | |
OnePredicate(Predicate[] predicates)
Constructor that performs no validation. |
Method Summary | |
boolean |
evaluate(Object object)
Evaluates the predicate returning true if only one decorated predicate returns true. |
static Predicate |
getInstance(Collection predicates)
Factory to create the predicate. |
static Predicate |
getInstance(Predicate[] predicates)
Factory to create the predicate. |
Predicate[] |
getPredicates()
Gets the predicates, do not modify the array. |
Methods inherited from class java.lang.Object |
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Constructor Detail |
public OnePredicate(Predicate[] predicates)
getInstance
if you want that.
predicates
- the predicates to check, not cloned, not nullMethod Detail |
public static Predicate getInstance(Predicate[] predicates)
If the array is size zero, the predicate always returns false. If the array is size one, then that predicate is returned.
predicates
- the predicates to check, cloned, not null
any
predicate
IllegalArgumentException
- if the predicates array is null
IllegalArgumentException
- if any predicate in the array is nullpublic static Predicate getInstance(Collection predicates)
predicates
- the predicates to check, cloned, not null
one
predicate
IllegalArgumentException
- if the predicates array is null
IllegalArgumentException
- if any predicate in the array is nullpublic boolean evaluate(Object object)
evaluate
in interface Predicate
object
- the input object
public Predicate[] getPredicates()
getPredicates
in interface PredicateDecorator
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