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java.lang.Objectorg.apache.commons.collections4.collection.AbstractCollectionDecorator<E>
org.apache.commons.collections4.collection.TransformedCollection<E>
org.apache.commons.collections4.set.TransformedSet<E>
org.apache.commons.collections4.set.TransformedSortedSet<E>
public class TransformedSortedSet<E>
Decorates another SortedSet
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.
Field Summary |
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Fields inherited from class org.apache.commons.collections4.collection.TransformedCollection |
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transformer |
Constructor Summary | |
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protected |
TransformedSortedSet(SortedSet<E> set,
Transformer<? super E,? extends E> transformer)
Constructor that wraps (not copies). |
Method Summary | ||
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Comparator<? super E> |
comparator()
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E |
first()
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protected SortedSet<E> |
getSortedSet()
Gets the decorated set. |
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SortedSet<E> |
headSet(E toElement)
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E |
last()
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SortedSet<E> |
subSet(E fromElement,
E toElement)
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SortedSet<E> |
tailSet(E fromElement)
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static
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transformedSortedSet(SortedSet<E> set,
Transformer<? super E,? extends E> transformer)
Factory method to create a transforming sorted set that will transform existing contents of the specified sorted set. |
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static
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transformingSortedSet(SortedSet<E> set,
Transformer<? super E,? extends E> transformer)
Factory method to create a transforming sorted set. |
Methods inherited from class org.apache.commons.collections4.set.TransformedSet |
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transformedSet, transformingSet |
Methods inherited from class org.apache.commons.collections4.collection.TransformedCollection |
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add, addAll, transform, transform, transformedCollection, transformingCollection |
Methods inherited from class org.apache.commons.collections4.collection.AbstractCollectionDecorator |
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clear, contains, containsAll, decorated, equals, hashCode, isEmpty, iterator, remove, removeAll, retainAll, setCollection, size, toArray, toArray, toString |
Methods inherited from class java.lang.Object |
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clone, finalize, getClass, notify, notifyAll, wait, wait, wait |
Methods inherited from interface java.util.Set |
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add, addAll, clear, contains, containsAll, equals, hashCode, isEmpty, iterator, remove, removeAll, retainAll, size, toArray, toArray |
Constructor Detail |
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protected TransformedSortedSet(SortedSet<E> set, Transformer<? super E,? extends E> transformer)
If there are any elements already in the set being decorated, they are NOT transformed.
set
- the set to decorate, must not be nulltransformer
- the transformer to use for conversion, must not be null
IllegalArgumentException
- if set or transformer is nullMethod Detail |
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public static <E> TransformedSortedSet<E> transformingSortedSet(SortedSet<E> set, Transformer<? super E,? extends E> transformer)
If there are any elements already in the set being decorated, they
are NOT transformed.
Contrast this with transformedSortedSet(SortedSet, Transformer)
.
E
- the element typeset
- the set to decorate, must not be nulltransformer
- the transformer to use for conversion, must not be null
SortedSet
IllegalArgumentException
- if set or transformer is nullpublic static <E> TransformedSortedSet<E> transformedSortedSet(SortedSet<E> set, Transformer<? super E,? extends E> transformer)
If there are any elements already in the set being decorated, they
will be transformed by this method.
Contrast this with transformingSortedSet(SortedSet, Transformer)
.
E
- the element typeset
- the set to decorate, must not be nulltransformer
- the transformer to use for conversion, must not be null
SortedSet
IllegalArgumentException
- if set or transformer is nullprotected SortedSet<E> getSortedSet()
public E first()
first
in interface SortedSet<E>
public E last()
last
in interface SortedSet<E>
public Comparator<? super E> comparator()
comparator
in interface SortedSet<E>
public SortedSet<E> subSet(E fromElement, E toElement)
subSet
in interface SortedSet<E>
public SortedSet<E> headSet(E toElement)
headSet
in interface SortedSet<E>
public SortedSet<E> tailSet(E fromElement)
tailSet
in interface SortedSet<E>
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