org.geotools.index.rtree.database
Class DatabaseNode

java.lang.Object
  org.geotools.index.rtree.Node
      org.geotools.index.rtree.database.DatabaseNode

All Implemented Interfaces:

EntryBoundsChangeListener

public class DatabaseNode

extends Node

DOCUMENT ME!

Author:

Tommaso Nolli

Field Summary

Fields inherited from class org.geotools.index.rtree.Node

bounds, entries, entriesCount, isChanged, maxNodeEntries

Constructor Summary

DatabaseNode(int maxNodeEntries, javax.sql.DataSource ds, Dialect dialect, java.lang.String tableName)
Constructor

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

Method Summary

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

Methods inherited from class org.geotools.index.rtree.Node

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

Methods inherited from class java.lang.Object

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

Constructor Detail

DatabaseNode

public DatabaseNode(int maxNodeEntries,
                    javax.sql.DataSource ds,
                    Dialect dialect,
                    java.lang.String tableName)

Constructor

Parameters:

maxNodeEntries -

ds -

dialect -

tableName -

DatabaseNode

public DatabaseNode(int maxNodeEntries,
                    javax.sql.DataSource ds,
                    Dialect dialect,
                    java.lang.String tableName,
                    java.lang.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(java.sql.Connection cnn,
                        byte[] bytes)
                 throws java.sql.SQLException,
                        java.io.IOException

Inserts this Node into the database

Parameters:

cnn -

bytes -

Throws:

java.sql.SQLException

java.io.IOException

doUpdate

protected void doUpdate(java.sql.Connection cnn,
                        byte[] bytes)
                 throws java.sql.SQLException,
                        java.io.IOException

Update the databse with this Node informations

Parameters:

cnn -

bytes -

Throws:

java.sql.SQLException

java.io.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

DOCUMENT ME!

Specified by:

getParent in class Node

Returns:

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 java.lang.Integer getPageId()

DOCUMENT ME!

Returns:

Returns the pageId.

setPageId

public void setPageId(java.lang.Integer pageId)

DOCUMENT ME!

Parameters:

pageId - The pageId to set.