K
- The type for the KeyV
- The type for the stored valuepublic class EmptyValueCursor<V> extends Object implements ValueCursor<V>
AFTER_LAST, BEFORE_FIRST
Constructor and Description |
---|
EmptyValueCursor(long revision)
Creates a new instance of Cursor, starting on a page at a given position.
|
Modifier and Type | Method and Description |
---|---|
void |
afterLast()
Change the position in the current cursor to set it after the last key
|
void |
beforeFirst()
Change the position in the current cursor before the first key
|
void |
close()
Closes the cursor, thus releases the associated transaction
|
long |
getCreationDate()
Get the creation date
|
long |
getRevision()
Get the current revision
|
boolean |
hasNext()
Tells if the cursor can return a next element
|
boolean |
hasNextKey()
Tells if the cursor can return a next key
|
boolean |
hasPrev()
Tells if the cursor can return a previous element
|
boolean |
hasPrevKey()
Tells if the cursor can return a previous key
|
V |
next()
Find the next key/value
|
V |
prev()
Find the previous key/value
|
int |
size() |
String |
toString() |
public EmptyValueCursor(long revision)
transaction
- The transaction this operation is protected bystack
- The stack of parent's from root to this pagepublic void afterLast() throws IOException
afterLast
in interface Cursor<V>
IOException
public void beforeFirst() throws IOException
beforeFirst
in interface Cursor<V>
IOException
public boolean hasNext() throws EndOfFileExceededException, IOException
hasNext
in interface Cursor<V>
IOException
EndOfFileExceededException
public boolean hasNextKey() throws EndOfFileExceededException, IOException
IOException
EndOfFileExceededException
public boolean hasPrev() throws EndOfFileExceededException, IOException
hasPrev
in interface Cursor<V>
IOException
EndOfFileExceededException
public boolean hasPrevKey() throws EndOfFileExceededException, IOException
IOException
EndOfFileExceededException
public V prev() throws EndOfFileExceededException, IOException
prev
in interface ValueCursor<V>
EndOfFileExceededException
IOException
public V next() throws EndOfFileExceededException, IOException
next
in interface ValueCursor<V>
EndOfFileExceededException
IOException
public void close()
public long getCreationDate()
public long getRevision()
public int size()
size
in interface ValueCursor<V>
Copyright © 2012–2015 Apache Mavibot Project Parent. All rights reserved.