Class TransformedSet
- java.lang.Object
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- All Implemented Interfaces:
java.io.Serializable
,java.lang.Iterable
,java.util.Collection
,java.util.Set
- Direct Known Subclasses:
TransformedSortedSet
public class TransformedSet extends TransformedCollection implements java.util.Set
Decorates anotherSet
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.
- Since:
- Commons Collections 3.0
- Version:
- $Revision: 646777 $ $Date: 2008-04-10 14:33:15 +0200 (Thu, 10 Apr 2008) $
- See Also:
- Serialized Form
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Field Summary
Fields Modifier and Type Field Description private static long
serialVersionUID
Serialization version-
Fields inherited from class org.apache.commons.collections.collection.TransformedCollection
transformer
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Fields inherited from class org.apache.commons.collections.collection.AbstractCollectionDecorator
collection
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Constructor Summary
Constructors Modifier Constructor Description protected
TransformedSet(java.util.Set set, Transformer transformer)
Constructor that wraps (not copies).
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Method Summary
All Methods Static Methods Concrete Methods Modifier and Type Method Description static java.util.Set
decorate(java.util.Set set, Transformer transformer)
Factory method to create a transforming set.-
Methods inherited from class org.apache.commons.collections.collection.TransformedCollection
add, addAll, decorate, transform, transform
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Methods inherited from class org.apache.commons.collections.collection.AbstractCollectionDecorator
clear, contains, containsAll, equals, getCollection, hashCode, isEmpty, iterator, remove, removeAll, retainAll, size, toArray, toArray, toString
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Field Detail
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serialVersionUID
private static final long serialVersionUID
Serialization version- See Also:
- Constant Field Values
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Constructor Detail
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TransformedSet
protected TransformedSet(java.util.Set set, Transformer transformer)
Constructor that wraps (not copies).If there are any elements already in the set being decorated, they are NOT transformed.
- Parameters:
set
- the set to decorate, must not be nulltransformer
- the transformer to use for conversion, must not be null- Throws:
java.lang.IllegalArgumentException
- if set or transformer is null
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Method Detail
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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.
- Parameters:
set
- the set to decorate, must not be nulltransformer
- the transformer to use for conversion, must not be null- Throws:
java.lang.IllegalArgumentException
- if set or transformer is null
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