Package org.apache.commons.collections.functors

Class ExceptionClosure

  • All Implemented Interfaces:
    java.io.Serializable, Closure
    public final class ExceptionClosure
extends java.lang.Object
implements Closure, java.io.Serializable
    Closure implementation that always throws an exception.
    Since:
    Commons Collections 3.0
    See Also:
    Serialized Form

    • Field Summary

      Fields 
      Modifier and Type Field Description
      static Closure INSTANCE
      Singleton predicate instance

    • Method Summary

      All Methods Static Methods Instance Methods Concrete Methods 
      Modifier and Type Method Description
      void execute​(java.lang.Object input)
      Always throw an exception.
      static Closure getInstance()
      Factory returning the singleton instance.

      • Methods inherited from class java.lang.Object

        equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

    • Field Detail

      • INSTANCE

        public static final Closure INSTANCE
        Singleton predicate instance

    • Method Detail

      • getInstance

        public static Closure getInstance()
        Factory returning the singleton instance.
        Returns:
        the singleton instance
        Since:
        Commons Collections 3.1

      • execute

        public void execute​(java.lang.Object input)
        Always throw an exception.
        Specified by:
        execute in interface Closure
        Parameters:
        input - the input object
        Throws:
        FunctorException - always