org.apache.commons.collections.iterators
Class EmptyIterator
java.lang.Object
org.apache.commons.collections.iterators.EmptyIterator
- All Implemented Interfaces:
- Iterator, ResettableIterator
public class EmptyIterator
- extends Object
- implements ResettableIterator
Provides an implementation of an empty iterator.
This class provides an implementation of an empty iterator.
This class provides for binary compatability between Commons Collections
2.1.1 and 3.1 due to issues with IteratorUtils
.
- Since:
- Commons Collections 2.1.1 and 3.1
- Version:
- $Revision: 155406 $ $Date: 2005-02-26 12:55:26 +0000 (Sat, 26 Feb 2005) $
- Author:
- Stephen Colebourne
Methods inherited from class java.lang.Object |
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
RESETTABLE_INSTANCE
public static final ResettableIterator RESETTABLE_INSTANCE
- Singleton instance of the iterator.
- Since:
- Commons Collections 3.1
INSTANCE
public static final Iterator INSTANCE
- Singleton instance of the iterator.
- Since:
- Commons Collections 2.1.1 and 3.1
EmptyIterator
protected EmptyIterator()
- Constructor.
hasNext
public boolean hasNext()
next
public Object next()
hasPrevious
public boolean hasPrevious()
previous
public Object previous()
nextIndex
public int nextIndex()
previousIndex
public int previousIndex()
add
public void add(Object obj)
set
public void set(Object obj)
remove
public void remove()
getKey
public Object getKey()
getValue
public Object getValue()
setValue
public Object setValue(Object value)
reset
public void reset()
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