org.apache.commons.collections.set
Class TransformedSet
java.lang.Object
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+--org.apache.commons.collections.collection.AbstractCollectionDecorator
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+--org.apache.commons.collections.collection.TransformedCollection
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+--org.apache.commons.collections.set.TransformedSet
All Implemented Interfaces:
Collection, SetKnown Direct Subclasses:
TransformedSortedSet
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.
- Commons Collections 3.0
- Stephen Colebourne
TransformedSet
protected TransformedSet(Set set, Transformer transformer)
Constructor that wraps (not copies).
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
- if set or transformer is null
decorate
public static Set decorate(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
- if set or transformer is null
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.