de.lmu.ifi.dbs.elki.persistent

Interface Page

All Known Subinterfaces:

ExternalizablePage, Node<E>, SpatialNode<N,E>

All Known Implementing Classes:

AbstractExternalizablePage, AbstractMTreeNode, AbstractNode, AbstractRStarTreeNode, DeLiCluNode, FlatRStarTreeNode, MkAppTreeNode, MkCoPTreeNode, MkMaxTreeNode, MkTabTreeNode, MTreeNode, RdKNNNode, RStarTreeNode

public interface Page

Defines the requirements for objects that can be stored in a cache and can be persistently saved.

Author:

Elke Achtert

Method Summary

Methods

Modifier and Type	Method and Description
int	getPageID() Returns the unique id of this Page.
boolean	isDirty() Returns true if this page is dirty, false otherwise.
void	setDirty(boolean dirty) Sets the dirty flag of this page.
void	setPageID(int id) Sets the unique id of this Page.

Method Detail

getPageID

int getPageID()

Returns the unique id of this Page.

Returns:

the unique id of this Page. Return -1 for unassigned page numbers.

setPageID

void setPageID(int id)

Sets the unique id of this Page.

Parameters:

id - the id to be set

isDirty

boolean isDirty()

Returns true if this page is dirty, false otherwise.

Returns:

true if this page is dirty, false otherwise

setDirty

void setDirty(boolean dirty)

Sets the dirty flag of this page.

Parameters:

dirty - the dirty flag to be set