org.apache.commons.collections4.functors

## Class ExceptionFactory<T>

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

- All Implemented Interfaces:
    Serializable, Factory<T>

      public final class ExceptionFactory<T>
      extends Object
      implements Factory<T>, Serializable

  Factory implementation that always throws an exception.
  Since:
    3.0
  See Also:
    Serialized Form

- - ### Field Summary

    Fields
    Modifier and Type | Field and Description
    --- | ---
    `static Factory` | `INSTANCE` Singleton predicate instance

  - ### Method Summary

    All Methods Static Methods Instance Methods Concrete Methods
    Modifier and Type | Method and Description
    --- | ---
    `T` | `create()` Always throws an exception.
    `static <T> Factory<T>` | `exceptionFactory()` Factory returning the singleton instance.

    - ### Methods inherited from class java.lang.Object

      `clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait`

- - ### Field Detail

    - #### INSTANCE

          public static final Factory INSTANCE

      Singleton predicate instance

  - ### Method Detail

    - #### exceptionFactory

          public static <T> Factory<T> exceptionFactory()

      Factory returning the singleton instance.
      Type Parameters:
        `T` - the type the factory creates
      Returns:
        the singleton instance
      Since:
        3.1

    - #### create

          public T create()

      Always throws an exception.
      Specified by:
        `create` in interface `Factory<T>`
      Returns:
        never
      Throws:
        `FunctorException` - always

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