org.apache.commons.collections15.collection
Class UnmodifiableCollection<E>
java.lang.Object
org.apache.commons.collections15.collection.AbstractCollectionDecorator<E>
org.apache.commons.collections15.collection.AbstractSerializableCollectionDecorator<E>
org.apache.commons.collections15.collection.UnmodifiableCollection<E>
- All Implemented Interfaces:
- Serializable, Iterable<E>, Collection<E>, Unmodifiable
public final class UnmodifiableCollection<E>
- extends AbstractSerializableCollectionDecorator<E>
- implements Unmodifiable
Decorates another Collection to ensure it can't be altered.
This class is Serializable from Commons Collections 3.1.
- Since:
- Commons Collections 3.0
- Version:
- $Revision: 1.1 $ $Date: 2005/10/11 17:05:20 $
- Author:
- Matt Hall, John Watkinson, Stephen Colebourne
- See Also:
- Serialized Form
decorate
public static <E> Collection<E> decorate(Collection<E> coll)
- Factory method to create an unmodifiable collection.
If the collection passed in is already unmodifiable, it is returned.
- Parameters:
coll - the collection to decorate, must not be null
- Returns:
- an unmodifiable collection
- Throws:
IllegalArgumentException - if collection is null
iterator
public Iterator<E> iterator()
- Specified by:
iterator in interface Iterable<E>- Specified by:
iterator in interface Collection<E>- Overrides:
iterator in class AbstractCollectionDecorator<E>
add
public boolean add(E object)
- Specified by:
add in interface Collection<E>- Overrides:
add in class AbstractCollectionDecorator<E>
addAll
public boolean addAll(Collection<? extends E> coll)
- Specified by:
addAll in interface Collection<E>- Overrides:
addAll in class AbstractCollectionDecorator<E>
clear
public void clear()
- Specified by:
clear in interface Collection<E>- Overrides:
clear in class AbstractCollectionDecorator<E>
remove
public boolean remove(Object object)
- Specified by:
remove in interface Collection<E>- Overrides:
remove in class AbstractCollectionDecorator<E>
removeAll
public boolean removeAll(Collection<?> coll)
- Specified by:
removeAll in interface Collection<E>- Overrides:
removeAll in class AbstractCollectionDecorator<E>
retainAll
public boolean retainAll(Collection<?> coll)
- Specified by:
retainAll in interface Collection<E>- Overrides:
retainAll in class AbstractCollectionDecorator<E>
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