org.apache.commons.collections.collection
Class UnmodifiableCollection
java.lang.Object
org.apache.commons.collections.collection.AbstractCollectionDecorator
org.apache.commons.collections.collection.AbstractSerializableCollectionDecorator
org.apache.commons.collections.collection.UnmodifiableCollection
- All Implemented Interfaces:
- Collection, Serializable, Unmodifiable
- public final class UnmodifiableCollection
- extends AbstractSerializableCollectionDecorator
- 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: 1.8 $ $Date: 2004/06/03 22:02:13 $
- Author:
- Stephen Colebourne
- See Also:
- Serialized Form
decorate
public static Collection decorate(Collection 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 iterator()
- Specified by:
iterator in interface Collection- Overrides:
iterator in class AbstractCollectionDecorator
add
public boolean add(Object object)
- Specified by:
add in interface Collection- Overrides:
add in class AbstractCollectionDecorator
addAll
public boolean addAll(Collection coll)
- Specified by:
addAll in interface Collection- Overrides:
addAll in class AbstractCollectionDecorator
clear
public void clear()
- Specified by:
clear in interface Collection- Overrides:
clear in class AbstractCollectionDecorator
remove
public boolean remove(Object object)
- Specified by:
remove in interface Collection- Overrides:
remove in class AbstractCollectionDecorator
removeAll
public boolean removeAll(Collection coll)
- Specified by:
removeAll in interface Collection- Overrides:
removeAll in class AbstractCollectionDecorator
retainAll
public boolean retainAll(Collection coll)
- Specified by:
retainAll in interface Collection- Overrides:
retainAll in class AbstractCollectionDecorator
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