Package org.apache.commons.collections4.functors

Class NOPClosure<T>

  • Type Parameters:
    T - the type of the input to the operation.
    All Implemented Interfaces:
    java.io.Serializable, java.util.function.Consumer<T>, Closure<T>
    public final class NOPClosure<T>
extends java.lang.Object
implements Closure<T>, java.io.Serializable
    Closure implementation that does nothing.
    Since:
    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​(T input)
      Do nothing.
      static <E> Closure<E> nopClosure()
      Factory returning the singleton instance.

      • Methods inherited from class java.lang.Object

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

      • Methods inherited from interface org.apache.commons.collections4.Closure

        accept

      • Methods inherited from interface java.util.function.Consumer

        andThen

    • Field Detail

      • INSTANCE

        public static final Closure INSTANCE
        Singleton predicate instance

    • Method Detail

      • nopClosure

        public static <E> Closure<E> nopClosure()
        Factory returning the singleton instance.
        Type Parameters:
        E - the type that the closure acts on
        Returns:
        the singleton instance
        Since:
        3.1

      • execute

        public void execute​(T input)
        Do nothing.
        Specified by:
        execute in interface Closure<T>
        Parameters:
        input - the input object