org.apache.commons.collections4.set
Class UnmodifiableSortedSet<E>

java.lang.Object
  extended by org.apache.commons.collections4.collection.AbstractCollectionDecorator<E>
      extended by org.apache.commons.collections4.set.AbstractSetDecorator<E>
          extended by org.apache.commons.collections4.set.AbstractSortedSetDecorator<E>
              extended by org.apache.commons.collections4.set.UnmodifiableSortedSet<E>
All Implemented Interfaces:
Serializable, Iterable<E>, Collection<E>, Set<E>, SortedSet<E>, Unmodifiable

public final class UnmodifiableSortedSet<E>
extends AbstractSortedSetDecorator<E>
implements Unmodifiable, Serializable

Decorates another SortedSet to ensure it can't be altered.

This class is Serializable from Commons Collections 3.1.

Attempts to modify it will result in an UnsupportedOperationException.

Since:
3.0
Version:
$Id: UnmodifiableSortedSet.java 1494280 2013-06-18 20:07:04Z tn $
See Also:
Serialized Form

Method Summary
 boolean add(E object)
           
 boolean addAll(Collection<? extends E> coll)
           
 void clear()
           
 SortedSet<E> headSet(E toElement)
           
 Iterator<E> iterator()
           
 boolean remove(Object object)
           
 boolean removeAll(Collection<?> coll)
           
 boolean retainAll(Collection<?> coll)
           
 SortedSet<E> subSet(E fromElement, E toElement)
           
 SortedSet<E> tailSet(E fromElement)
           
static
<E> SortedSet<E>
unmodifiableSortedSet(SortedSet<E> set)
          Factory method to create an unmodifiable set.
 
Methods inherited from class org.apache.commons.collections4.set.AbstractSortedSetDecorator
comparator, decorated, first, last
 
Methods inherited from class org.apache.commons.collections4.collection.AbstractCollectionDecorator
contains, containsAll, equals, hashCode, isEmpty, setCollection, size, toArray, toArray, toString
 
Methods inherited from class java.lang.Object
clone, finalize, getClass, notify, notifyAll, wait, wait, wait
 
Methods inherited from interface java.util.Set
contains, containsAll, equals, hashCode, isEmpty, size, toArray, toArray
 

Method Detail

unmodifiableSortedSet

public static <E> SortedSet<E> unmodifiableSortedSet(SortedSet<E> set)
Factory method to create an unmodifiable set.

Type Parameters:
E - the element type
Parameters:
set - the set to decorate, must not be null
Returns:
a new unmodifiable SortedSet
Throws:
IllegalArgumentException - if set is null
Since:
4.0

iterator

public Iterator<E> iterator()
Specified by:
iterator in interface Iterable<E>
Specified by:
iterator in interface Collection<E>
Specified by:
iterator in interface Set<E>
Overrides:
iterator in class AbstractCollectionDecorator<E>

add

public boolean add(E object)
Specified by:
add in interface Collection<E>
Specified by:
add in interface Set<E>
Overrides:
add in class AbstractCollectionDecorator<E>

addAll

public boolean addAll(Collection<? extends E> coll)
Specified by:
addAll in interface Collection<E>
Specified by:
addAll in interface Set<E>
Overrides:
addAll in class AbstractCollectionDecorator<E>

clear

public void clear()
Specified by:
clear in interface Collection<E>
Specified by:
clear in interface Set<E>
Overrides:
clear in class AbstractCollectionDecorator<E>

remove

public boolean remove(Object object)
Specified by:
remove in interface Collection<E>
Specified by:
remove in interface Set<E>
Overrides:
remove in class AbstractCollectionDecorator<E>

removeAll

public boolean removeAll(Collection<?> coll)
Specified by:
removeAll in interface Collection<E>
Specified by:
removeAll in interface Set<E>
Overrides:
removeAll in class AbstractCollectionDecorator<E>

retainAll

public boolean retainAll(Collection<?> coll)
Specified by:
retainAll in interface Collection<E>
Specified by:
retainAll in interface Set<E>
Overrides:
retainAll in class AbstractCollectionDecorator<E>

subSet

public SortedSet<E> subSet(E fromElement,
                           E toElement)
Specified by:
subSet in interface SortedSet<E>
Overrides:
subSet in class AbstractSortedSetDecorator<E>

headSet

public SortedSet<E> headSet(E toElement)
Specified by:
headSet in interface SortedSet<E>
Overrides:
headSet in class AbstractSortedSetDecorator<E>

tailSet

public SortedSet<E> tailSet(E fromElement)
Specified by:
tailSet in interface SortedSet<E>
Overrides:
tailSet in class AbstractSortedSetDecorator<E>


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