org.apache.commons.collections.functors

Class NOPTransformer

java.lang.Object

org.apache.commons.collections.functors.NOPTransformer

All Implemented Interfaces:

java.io.Serializable, Transformer

public class NOPTransformer
extends java.lang.Object
implements Transformer, java.io.Serializable

Transformer implementation that does nothing.

Since:

Commons Collections 3.0

See Also:

Serialized Form

Field Summary

Fields

Modifier and Type	Field and Description
static Transformer	INSTANCE Singleton predicate instance

Method Summary

Modifier and Type	Method and Description
static Transformer	getInstance() Factory returning the singleton instance.
java.lang.Object	transform(java.lang.Object input) Transforms the input to result by doing nothing.

Methods inherited from class java.lang.Object

equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

INSTANCE

public static final Transformer INSTANCE

Singleton predicate instance

Method Detail

getInstance

public static Transformer getInstance()

Factory returning the singleton instance.

Returns:

the singleton instance

Since:

Commons Collections 3.1

transform

public java.lang.Object transform(java.lang.Object input)

Transforms the input to result by doing nothing.

Specified by:

transform in interface Transformer

Parameters:

input - the input object to transform

Returns:

the transformed result which is the input