org.apache.commons.collections.bag
public class TransformedSortedBag extends TransformedBag implements SortedBag
SortedBag
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: 155406 $ $Date: 2005-02-26 12:55:26 +0000 (Sat, 26 Feb 2005) $
Constructor Summary | |
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protected | TransformedSortedBag(SortedBag bag, Transformer transformer)
Constructor that wraps (not copies).
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Method Summary | |
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Comparator | comparator() |
static SortedBag | decorate(SortedBag bag, Transformer transformer)
Factory method to create a transforming sorted bag.
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Object | first() |
protected SortedBag | getSortedBag()
Gets the decorated bag.
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Object | last() |
If there are any elements already in the bag being decorated, they are NOT transformed.
Parameters: bag the bag to decorate, must not be null transformer the transformer to use for conversion, must not be null
Throws: IllegalArgumentException if bag or transformer is null
If there are any elements already in the bag being decorated, they are NOT transformed.
Parameters: bag the bag to decorate, must not be null transformer the transformer to use for conversion, must not be null
Returns: a new transformed SortedBag
Throws: IllegalArgumentException if bag or transformer is null
Returns: the decorated bag