NOPTransformer (Commons Collections 3.2.2 API)

java.lang.Object
- org.apache.commons.collections.functors.NOPTransformer

All Implemented Interfaces:

Serializable, Transformer
```
public class NOPTransformer
extends Object
implements Transformer, Serializable
```
Transformer implementation that does nothing.

Since:

Commons Collections 3.0

Version:

$Revision: 646777 $ $Date: 2008-04-10 14:33:15 +0200 (Thu, 10 Apr 2008) $

Author:

Stephen Colebourne

See Also:

Serialized Form

Field Summary

Fields
Modifier and Type Field Description

static Transformer INSTANCE
Singleton predicate instance

Method Summary

All Methods Static Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`static Transformer`	`getInstance()`	Factory returning the singleton instance.
`Object`	`transform(Object input)`	Transforms the input to result by doing nothing.

Methods inherited from class java.lang.Object
clone, equals, finalize, 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 Object transform(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