ExceptionTransformer

org.apache.commons.collections4.functors

Class ExceptionTransformer<I,O>

java.lang.Object
- org.apache.commons.collections4.functors.ExceptionTransformer<I,O>

All Implemented Interfaces:

Serializable, Transformer<I,O>
```
public final class ExceptionTransformer<I,O>
extends Object
implements Transformer<I,O>, Serializable
```
Transformer implementation that always throws an exception.

Since:

3.0

See Also:

Serialized Form

Field Summary

Fields

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

Method Summary

All Methods

Static Methods

Instance Methods

Concrete Methods
Modifier and Type	Method and Description
`static <I,O> Transformer<I,O>`	`exceptionTransformer()` Factory returning the singleton instance.
`O`	`transform(I input)` Transforms the input to result by cloning it.

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
  - exceptionTransformer
```
public static <I,O> Transformer<I,O> exceptionTransformer()
```
    Factory returning the singleton instance.
    
    Type Parameters:
    
    I - the input type
    
    O - the output type
    
    Returns:
    
    the singleton instance
    
    Since:
    
    3.1
  - transform
```
public O transform(I input)
```
    Transforms the input to result by cloning it.
    
    Specified by:
    
    transform in interface Transformer<I,O>
    
    Parameters:
    
    input - the input object to transform
    
    Returns:
    
    never
    
    Throws:
    
    FunctorException - always