ExceptionPredicate

java.lang.Object
- org.apache.commons.collections4.functors.AbstractPredicate<T>
- - org.apache.commons.collections4.functors.ExceptionPredicate<T>

Type Parameters:

T - the type of the input to the predicate.

All Implemented Interfaces:

java.io.Serializable, java.util.function.Predicate<T>, Predicate<T>
```
public final class ExceptionPredicate<T>
extends AbstractPredicate<T>
implements java.io.Serializable
```
Predicate implementation that always throws an exception.

Since:

3.0

See Also:

Serialized Form

Field Summary

Fields
Modifier and Type Field Description

static Predicate INSTANCE
Singleton predicate instance

Method Summary

All Methods Static Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`static <T> Predicate<T>`	`exceptionPredicate()`	Factory returning the singleton instance.
`boolean`	`test(T object)`	Evaluates the predicate always throwing an exception.

Methods inherited from class org.apache.commons.collections4.functors.AbstractPredicate
evaluate

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

Methods inherited from interface java.util.function.Predicate
and, negate, or

- Field Detail
  - INSTANCE
```
public static final Predicate INSTANCE
```
    Singleton predicate instance
- Method Detail
  - exceptionPredicate
```
public static <T> Predicate<T> exceptionPredicate()
```
    Factory returning the singleton instance.
    
    Type Parameters:
    
    T - the object type
    
    Returns:
    
    the singleton instance
    
    Since:
    
    3.1
  - test
```
public boolean test(T object)
```
    Evaluates the predicate always throwing an exception.
    
    Specified by:
    
    test in interface java.util.function.Predicate<T>
    
    Specified by:
    
    test in interface Predicate<T>
    
    Parameters:
    
    object - the input object
    
    Returns:
    
    never
    
    Throws:
    
    FunctorException - always