Class PredicateTransformer<T>
- java.lang.Object
-
- org.apache.commons.collections4.functors.PredicateTransformer<T>
-
- All Implemented Interfaces:
java.io.Serializable
,Transformer<T,java.lang.Boolean>
public class PredicateTransformer<T> extends java.lang.Object implements Transformer<T,java.lang.Boolean>, java.io.Serializable
Transformer implementation that calls a Predicate using the input object and then returns the result.- Since:
- 3.0
- See Also:
- Serialized Form
-
-
Constructor Summary
Constructors Constructor Description PredicateTransformer(Predicate<? super T> predicate)
Constructor that performs no validation.
-
Method Summary
All Methods Static Methods Instance Methods Concrete Methods Modifier and Type Method Description Predicate<? super T>
getPredicate()
Gets the predicate.static <T> Transformer<T,java.lang.Boolean>
predicateTransformer(Predicate<? super T> predicate)
Factory method that performs validation.java.lang.Boolean
transform(T input)
Transforms the input to result by calling a predicate.
-
-
-
Method Detail
-
predicateTransformer
public static <T> Transformer<T,java.lang.Boolean> predicateTransformer(Predicate<? super T> predicate)
Factory method that performs validation.- Type Parameters:
T
- the input type- Parameters:
predicate
- the predicate to call, not null- Returns:
- the
predicate
transformer - Throws:
java.lang.IllegalArgumentException
- if the predicate is null
-
transform
public java.lang.Boolean transform(T input)
Transforms the input to result by calling a predicate.- Specified by:
transform
in interfaceTransformer<T,java.lang.Boolean>
- Parameters:
input
- the input object to transform- Returns:
- the transformed result
-
-