Class TypedSet
- java.lang.Object
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- org.apache.commons.collections.set.TypedSet
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public class TypedSet extends Object
Decorates anotherSet
to validate that elements added are of a specific type.The validation of additions is performed via an instanceof test against a specified
Class
. If an object cannot be added to the collection, an IllegalArgumentException is thrown.- Since:
- Commons Collections 3.0
- Version:
- $Revision: 646777 $ $Date: 2008-04-10 14:33:15 +0200 (Thu, 10 Apr 2008) $
- Author:
- Stephen Colebourne, Matthew Hawthorne
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Constructor Summary
Constructors Modifier Constructor Description protected
TypedSet()
Restrictive constructor.
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Method Summary
All Methods Static Methods Concrete Methods Modifier and Type Method Description static Set
decorate(Set set, Class type)
Factory method to create a typed set.
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Method Detail
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decorate
public static Set decorate(Set set, Class type)
Factory method to create a typed set.If there are any elements already in the set being decorated, they are validated.
- Parameters:
set
- the set to decorate, must not be nulltype
- the type to allow into the collection, must not be null- Throws:
IllegalArgumentException
- if set or type is nullIllegalArgumentException
- if the set contains invalid elements
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