Class NOPTransformer<T>
- java.lang.Object
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- org.apache.commons.collections4.functors.NOPTransformer<T>
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- All Implemented Interfaces:
java.io.Serializable
,Transformer<T,T>
public class NOPTransformer<T> extends java.lang.Object implements Transformer<T,T>, java.io.Serializable
Transformer implementation that does nothing.- Since:
- 3.0
- See Also:
- Serialized Form
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Field Summary
Fields Modifier and Type Field Description static Transformer
INSTANCE
Singleton predicate instance
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Method Summary
All Methods Static Methods Instance Methods Concrete Methods Modifier and Type Method Description static <T> Transformer<T,T>
nopTransformer()
Factory returning the singleton instance.T
transform(T input)
Transforms the input to result by doing nothing.
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Field Detail
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INSTANCE
public static final Transformer INSTANCE
Singleton predicate instance
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Method Detail
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nopTransformer
public static <T> Transformer<T,T> nopTransformer()
Factory returning the singleton instance.- Type Parameters:
T
- the input/output type- Returns:
- the singleton instance
- Since:
- 3.1
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