TransformerPredicate

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

All Implemented Interfaces:

java.io.Serializable, Predicate
```
public final class TransformerPredicate
extends java.lang.Object
implements Predicate, java.io.Serializable
```
Predicate implementation that returns the result of a transformer.

Since:

Commons Collections 3.0

Version:

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

See Also:

Serialized Form

Field Summary

Fields
Modifier and Type Field Description

private Transformer iTransformer
The transformer to call

private static long serialVersionUID
Serial version UID

Constructor Summary

Constructors
Constructor Description

TransformerPredicate(Transformer transformer)
Constructor that performs no validation.

Method Summary

All Methods Static Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`boolean`	`evaluate(java.lang.Object object)`	Evaluates the predicate returning the result of the decorated transformer.
`static Predicate`	`getInstance(Transformer transformer)`	Factory to create the predicate.
`Transformer`	`getTransformer()`	Gets the transformer.

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Field Detail
  - serialVersionUID
```
private static final long serialVersionUID
```
    Serial version UID
    
    See Also:
    
    Constant Field Values
  - iTransformer
```
private final Transformer iTransformer
```
    The transformer to call
- Constructor Detail
  - TransformerPredicate
```
public TransformerPredicate(Transformer transformer)
```
    Constructor that performs no validation. Use getInstance if you want that.
    
    Parameters:
    
    transformer - the transformer to decorate
- Method Detail
  - getInstance
```
public static Predicate getInstance(Transformer transformer)
```
    Factory to create the predicate.
    
    Parameters:
    
    transformer - the transformer to decorate
    
    Returns:
    
    the predicate
    
    Throws:
    
    java.lang.IllegalArgumentException - if the transformer is null
  - evaluate
```
public boolean evaluate(java.lang.Object object)
```
    Evaluates the predicate returning the result of the decorated transformer.
    
    Specified by:
    
    evaluate in interface Predicate
    
    Parameters:
    
    object - the input object
    
    Returns:
    
    true if decorated transformer returns Boolean.TRUE
    
    Throws:
    
    FunctorException - if the transformer returns an invalid type
  - getTransformer
```
public Transformer getTransformer()
```
    Gets the transformer.
    
    Returns:
    
    the transformer
    
    Since:
    
    Commons Collections 3.1