org.geotools.index.rtree.database
Class DatabaseNode

Object
  Node
      DatabaseNode

All Implemented Interfaces:

EntryBoundsChangeListener

public class DatabaseNode
extends Node

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Author:

Tommaso Nolli

Module:

trunk/gt/modules (gt-modules.jar) (Maven report) (SVN head)

Field Summary

Fields inherited from class Node

bounds, entries, entriesCount, isChanged, maxNodeEntries

Constructor Summary

DatabaseNode(int maxNodeEntries, DataSource ds, Dialect dialect, String tableName)
Constructor

DatabaseNode(int maxNodeEntries, DataSource ds, Dialect dialect, String tableName, Integer pageId)
Constructor that retrieves data from the db

Method Summary

protected void	doInsert(Connection cnn, byte[] bytes) Inserts this Node into the database
protected void	doSave() Saves this Node; called from save()
protected void	doUpdate(Connection cnn, byte[] bytes) Update the databse with this Node informations
protected Entry	getEntry(Node node) Returns the Entry pointing the specified Node
Integer	getPageId() DOCUMENT ME!
Node	getParent() DOCUMENT ME!
void	setPageId(Integer pageId) DOCUMENT ME!
void	setParent(Node node) Sets the parent of this Node

Methods inherited from class Node

addEntry, boundsChanged, clear, getBounds, getEntries, getEntriesCount, getEntry, isLeaf, removeEntry, save, setLeaf

Methods inherited from class Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

DatabaseNode

public DatabaseNode(int maxNodeEntries,
                    DataSource ds,
                    Dialect dialect,
                    String tableName)

Constructor

Parameters:

maxNodeEntries -

ds -

dialect -

tableName -

DatabaseNode

public DatabaseNode(int maxNodeEntries,
                    DataSource ds,
                    Dialect dialect,
                    String tableName,
                    Integer pageId)
             throws TreeException

Constructor that retrieves data from the db

Parameters:

maxNodeEntries -

ds -

dialect -

tableName -

pageId -

Throws:

TreeException - DOCUMENT ME!

Method Detail

doSave

protected void doSave()
               throws TreeException

Description copied from class: Node

Saves this Node; called from save()

Specified by:

doSave in class Node

Throws:

TreeException

See Also:

Node.doSave()

doInsert

protected void doInsert(Connection cnn,
                        byte[] bytes)
                 throws SQLException,
                        IOException

Inserts this Node into the database

Parameters:

cnn -

bytes -

Throws:

SQLException

IOException

doUpdate

protected void doUpdate(Connection cnn,
                        byte[] bytes)
                 throws SQLException,
                        IOException

Update the databse with this Node informations

Parameters:

cnn -

bytes -

Throws:

SQLException

IOException

getEntry

protected Entry getEntry(Node node)

Description copied from class: Node

Returns the Entry pointing the specified Node

Specified by:

getEntry in class Node

Parameters:

node - The Node

Returns:

The Entry

See Also:

Node.getEntry(org.geotools.index.rtree.Node)

getParent

public Node getParent()
               throws TreeException

Description copied from class: Node

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Specified by:

getParent in class Node

Throws:

TreeException - DOCUMENT ME!

See Also:

Node.getParent()

setParent

public void setParent(Node node)

Description copied from class: Node

Sets the parent of this Node

Specified by:

setParent in class Node

Parameters:

node - The parent Node

See Also:

Node.setParent(org.geotools.index.rtree.Node)

getPageId

public Integer getPageId()

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Returns:

Returns the pageId.

setPageId

public void setPageId(Integer pageId)

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Parameters:

pageId - The pageId to set.