Class TransformedSortedSet
- 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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- org.apache.commons.collections.set.TransformedSet
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- org.apache.commons.collections.set.TransformedSortedSet
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- All Implemented Interfaces:
java.io.Serializable
,java.lang.Iterable
,java.util.Collection
,java.util.Set
,java.util.SortedSet
public class TransformedSortedSet extends TransformedSet implements java.util.SortedSet
Decorates anotherSortedSet
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
TransformedSortedSet(java.util.SortedSet set, Transformer transformer)
Constructor that wraps (not copies).
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Method Summary
All Methods Static Methods Instance Methods Concrete Methods Modifier and Type Method Description java.util.Comparator
comparator()
static java.util.SortedSet
decorate(java.util.SortedSet set, Transformer transformer)
Factory method to create a transforming sorted set.java.lang.Object
first()
protected java.util.SortedSet
getSortedSet()
Gets the decorated set.java.util.SortedSet
headSet(java.lang.Object toElement)
java.lang.Object
last()
java.util.SortedSet
subSet(java.lang.Object fromElement, java.lang.Object toElement)
java.util.SortedSet
tailSet(java.lang.Object fromElement)
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Methods inherited from class org.apache.commons.collections.set.TransformedSet
decorate
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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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Methods inherited from class java.lang.Object
clone, finalize, getClass, notify, notifyAll, wait, wait, wait
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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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TransformedSortedSet
protected TransformedSortedSet(java.util.SortedSet 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.SortedSet decorate(java.util.SortedSet set, Transformer transformer)
Factory method to create a transforming sorted 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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getSortedSet
protected java.util.SortedSet getSortedSet()
Gets the decorated set.- Returns:
- the decorated set
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first
public java.lang.Object first()
- Specified by:
first
in interfacejava.util.SortedSet
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last
public java.lang.Object last()
- Specified by:
last
in interfacejava.util.SortedSet
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comparator
public java.util.Comparator comparator()
- Specified by:
comparator
in interfacejava.util.SortedSet
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subSet
public java.util.SortedSet subSet(java.lang.Object fromElement, java.lang.Object toElement)
- Specified by:
subSet
in interfacejava.util.SortedSet
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headSet
public java.util.SortedSet headSet(java.lang.Object toElement)
- Specified by:
headSet
in interfacejava.util.SortedSet
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tailSet
public java.util.SortedSet tailSet(java.lang.Object fromElement)
- Specified by:
tailSet
in interfacejava.util.SortedSet
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