Class FactoryTransformer<I,O>
- java.lang.Object
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- org.apache.commons.collections4.functors.FactoryTransformer<I,O>
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- All Implemented Interfaces:
java.io.Serializable
,Transformer<I,O>
public class FactoryTransformer<I,O> extends java.lang.Object implements Transformer<I,O>, java.io.Serializable
Transformer implementation that calls a Factory and returns the result.- Since:
- 3.0
- See Also:
- Serialized Form
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Constructor Summary
Constructors Constructor Description FactoryTransformer(Factory<? extends O> factory)
Constructor that performs no validation.
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Method Summary
All Methods Static Methods Instance Methods Concrete Methods Modifier and Type Method Description static <I,O>
Transformer<I,O>factoryTransformer(Factory<? extends O> factory)
Factory method that performs validation.Factory<? extends O>
getFactory()
Gets the factory.O
transform(I input)
Transforms the input by ignoring the input and returning the result of calling the decorated factory.
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Method Detail
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factoryTransformer
public static <I,O> Transformer<I,O> factoryTransformer(Factory<? extends O> factory)
Factory method that performs validation.- Type Parameters:
I
- the input typeO
- the output type- Parameters:
factory
- the factory to call, not null- Returns:
- the
factory
transformer - Throws:
java.lang.NullPointerException
- if the factory is null
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transform
public O transform(I input)
Transforms the input by ignoring the input and returning the result of calling the decorated factory.- Specified by:
transform
in interfaceTransformer<I,O>
- Parameters:
input
- the input object to transform- Returns:
- the transformed result
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