org.apache.directory.server.xdbm
Class EmptyIndexCursor<K,E,ID>
java.lang.Object
org.apache.directory.server.xdbm.AbstractIndexCursor<K,E,ID>
org.apache.directory.server.xdbm.EmptyIndexCursor<K,E,ID>
- All Implemented Interfaces:
- java.lang.Iterable<IndexEntry<K,E,ID>>, IndexCursor<K,E,ID>, org.apache.directory.shared.ldap.cursor.Cursor<IndexEntry<K,E,ID>>
public class EmptyIndexCursor<K,E,ID>
- extends AbstractIndexCursor<K,E,ID>
An empty Cursor implementation.
- Version:
- $Rev$, $Date$
- Author:
- Apache Directory Project
Methods inherited from class java.lang.Object |
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
EmptyIndexCursor
public EmptyIndexCursor()
available
public boolean available()
before
public void before(IndexEntry<K,E,ID> element)
throws java.lang.Exception
- Throws:
java.lang.Exception
after
public void after(IndexEntry<K,E,ID> element)
throws java.lang.Exception
- Throws:
java.lang.Exception
beforeFirst
public void beforeFirst()
throws java.lang.Exception
- Throws:
java.lang.Exception
afterLast
public void afterLast()
throws java.lang.Exception
- Throws:
java.lang.Exception
first
public boolean first()
throws java.lang.Exception
- Throws:
java.lang.Exception
last
public boolean last()
throws java.lang.Exception
- Throws:
java.lang.Exception
previous
public boolean previous()
throws java.lang.Exception
- Throws:
java.lang.Exception
next
public boolean next()
throws java.lang.Exception
- Throws:
java.lang.Exception
get
public IndexEntry<K,E,ID> get()
throws java.lang.Exception
- Throws:
java.lang.Exception
isElementReused
public boolean isElementReused()
afterValue
public void afterValue(ID id,
K indexValue)
throws java.lang.Exception
- Description copied from interface:
IndexCursor
- An alternative to calling after(IndexEntry) which often may require
wrapping an id and value in a newly created IndexEntry object that may
be an unnecessary object creation. Some implementations may not
support this operation and may throw an UnsupportedOperationEception.
- Parameters:
id
- the id for the entryindexValue
- the value to advance just after the last value
- Throws:
java.lang.Exception
- if there are faults performing this operation
beforeValue
public void beforeValue(ID id,
K indexValue)
throws java.lang.Exception
- Description copied from interface:
IndexCursor
- An alternative to calling before(IndexEntry) which often may require
wrapping an id and value in a newly created IndexEntry object that may
be an unnecessary object creation. Some implementations may not
support this operation and may throw an UnsupportedOperationEception.
- Parameters:
id
- the id for the entryindexValue
- the value to advance just before
- Throws:
java.lang.Exception
- if there are faults performing this operation
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