Class TransformedSet

  • All Implemented Interfaces:, java.lang.Iterable, java.util.Collection, java.util.Set
    Direct Known Subclasses:

    public class TransformedSet
    extends TransformedCollection
    implements java.util.Set
    Commons Collections 3 is in maintenance mode. Commons Collections 4 should be used instead.
    Decorates another Set to transform objects that are added.

    The add methods are affected by this class. Thus objects must be removed or searched for using their transformed form. For example, if the transformation converts Strings to Integers, you must use the Integer form to remove objects.

    This class is Serializable from Commons Collections 3.1.

    Commons Collections 3.0
    See Also:
    Serialized Form
    • Method Detail

      • decorate

        public static java.util.Set decorate​(java.util.Set set,
                                             Transformer transformer)
        Factory method to create a transforming set.

        If there are any elements already in the set being decorated, they are NOT transformed.

        set - the set to decorate, must not be null
        transformer - the transformer to use for conversion, must not be null
        java.lang.IllegalArgumentException - if set or transformer is null