Module org.apache.jena.tdb

Package org.apache.jena.tdb1.index.bplustree

Class BPTreeNode

java.lang.Object

org.apache.jena.tdb1.index.bplustree.BPTreePage

org.apache.jena.tdb1.index.bplustree.BPTreeNode

All Implemented Interfaces:

org.apache.jena.atlas.io.Printable, Page

public final class BPTreeNode
extends BPTreePage

Field Summary

Fields inherited from interface org.apache.jena.tdb1.base.page.Page

NO_ID

Method Summary

Modifier and Type	Method	Description
static Record	delete(BPTreeNode root, Record rec)	Delete a record - return the old value if there was one, else null
void	dump()
void	dump(org.apache.jena.atlas.io.IndentedWriter out)
String	dumpToString()
Block	getBackingBlock()	Return the block associated with this page
final int	getId()
static Record	insert(BPTreeNode root, Record record)	Insert a record - return existing value if any, else null
void	output(org.apache.jena.atlas.io.IndentedWriter out)
void	reset(Block block)	The underlying block for this page has changed (e.g.
static Record	search(BPTreeNode root, Record rec)	Find a record, using the active comparator
String	toString()

Methods inherited from class org.apache.jena.tdb1.index.bplustree.BPTreePage

getBPlusTree, getParams

Methods inherited from class java.lang.Object

equals, getClass, hashCode, notify, notifyAll, wait, wait, wait

Method Details

reset

public void reset(Block block)

Description copied from interface: Page

The underlying block for this page has changed (e.g. it's been promoted and the promotion may have caused something to change

search

public static Record search(BPTreeNode root,
 Record rec)

Find a record, using the active comparator

insert

public static Record insert(BPTreeNode root,
 Record record)

Insert a record - return existing value if any, else null

delete

public static Record delete(BPTreeNode root,
 Record rec)

Delete a record - return the old value if there was one, else null

getBackingBlock

public Block getBackingBlock()

Description copied from interface: Page

Return the block associated with this page

getId

public final int getId()

toString

public String toString()

Overrides:

toString in class Object

dump

public void dump()

dump

public void dump(org.apache.jena.atlas.io.IndentedWriter out)

dumpToString

public String dumpToString()

output

public void output(org.apache.jena.atlas.io.IndentedWriter out)