Class TransformedCollection
- java.lang.Object
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- org.apache.commons.collections.collection.AbstractCollectionDecorator
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- org.apache.commons.collections.collection.AbstractSerializableCollectionDecorator
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- org.apache.commons.collections.collection.TransformedCollection
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- All Implemented Interfaces:
Serializable
,Iterable
,Collection
- Direct Known Subclasses:
TransformedBag
,TransformedBuffer
,TransformedList
,TransformedSet
@Deprecated(since="2021-04-30") public class TransformedCollection extends AbstractSerializableCollectionDecorator
Deprecated.Commons Collections 3 is in maintenance mode. Commons Collections 4 should be used instead.Decorates anotherCollection
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
- See Also:
- Serialized Form
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Method Summary
All Methods Static Methods Instance Methods Concrete Methods Deprecated Methods Modifier and Type Method Description boolean
add(Object object)
Deprecated.boolean
addAll(Collection coll)
Deprecated.static Collection
decorate(Collection coll, Transformer transformer)
Deprecated.Factory method to create a transforming collection.-
Methods inherited from class org.apache.commons.collections.collection.AbstractCollectionDecorator
clear, contains, containsAll, equals, hashCode, isEmpty, iterator, remove, removeAll, retainAll, size, toArray, toArray, toString
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Methods inherited from interface java.util.Collection
parallelStream, removeIf, spliterator, stream, toArray
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Method Detail
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decorate
public static Collection decorate(Collection coll, Transformer transformer)
Deprecated.Factory method to create a transforming collection.If there are any elements already in the collection being decorated, they are NOT transformed.
- Parameters:
coll
- the collection to decorate, must not be nulltransformer
- the transformer to use for conversion, must not be null- Returns:
- a new transformed collection
- Throws:
IllegalArgumentException
- if collection or transformer is null
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add
public boolean add(Object object)
Deprecated.- Specified by:
add
in interfaceCollection
- Overrides:
add
in classAbstractCollectionDecorator
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addAll
public boolean addAll(Collection coll)
Deprecated.- Specified by:
addAll
in interfaceCollection
- Overrides:
addAll
in classAbstractCollectionDecorator
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