org.geotools.data.shapefile.index.quadtree

Class Node

Object

Node

Direct Known Subclasses:

FileSystemNode

public class Node
extends Object

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Author:

Tommaso Nolli

Field Summary

Fields

Modifier and Type	Field and Description
protected int	numShapesId
protected int[]	shapesId
protected List	subNodes

Constructor Summary

Constructors

Constructor and Description
Node(Envelope bounds)

Method Summary

Modifier and Type	Method and Description
void	addShapeId(int id) Add a shape id
void	addSubNode(Node node) DOCUMENT ME!
void	clean() To be used only against in memory nodes, allows to start over on rebuilding this node
void	clearSubNodes()
void	close() Clears up whatever resources the node is hanging onto
Node	copy()
Envelope	getBounds() DOCUMENT ME!
int	getNumShapeIds() DOCUMENT ME!
int	getNumSubNodes() DOCUMENT ME!
int	getShapeId(int pos) Gets a shape id
int[]	getShapesId() DOCUMENT ME!
Node	getSubNode(int pos) Gets the Node at the requested position
boolean	isChildrenVisited()
boolean	isVisited()
void	pack()
boolean	removeSubNode(Node node) Removes a subnode
void	setBounds(Envelope bounds) DOCUMENT ME!
void	setChildrenVisited(boolean childrenVisited)
void	setShapesId(int[] ids) Sets the shape ids
void	setShapesId(Node other)
void	setVisited(boolean visited)

Methods inherited from class Object

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

Field Detail

numShapesId

protected int numShapesId

shapesId

protected int[] shapesId

subNodes

protected List subNodes

Constructor Detail

Node

public Node(Envelope bounds)

Method Detail

getBounds

public Envelope getBounds()

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Returns:

Returns the bounds.

setBounds

public void setBounds(Envelope bounds)

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Parameters:

bounds - The bounds to set.

getNumSubNodes

public int getNumSubNodes()

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Returns:

Returns the numSubNodes.

getNumShapeIds

public int getNumShapeIds()

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Returns:

Returns the number of records stored.

addSubNode

public void addSubNode(Node node)

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Parameters:

node -

Throws:

NullPointerException - DOCUMENT ME!

removeSubNode

public boolean removeSubNode(Node node)

Removes a subnode

Parameters:

node - The subnode to remove

Returns:

true if the subnode has been removed

clearSubNodes

public void clearSubNodes()

getSubNode

public Node getSubNode(int pos)
                throws StoreException

Gets the Node at the requested position

Parameters:

pos - The position

Returns:

A Node

Throws:

StoreException - DOCUMENT ME!

addShapeId

public void addShapeId(int id)

Add a shape id

Parameters:

id -

getShapeId

public int getShapeId(int pos)

Gets a shape id

Parameters:

pos - The position

Returns:

The shape id (or recno) at the requested position

Throws:

ArrayIndexOutOfBoundsException - DOCUMENT ME!

setShapesId

public void setShapesId(int[] ids)

Sets the shape ids

Parameters:

ids -

setShapesId

public void setShapesId(Node other)

getShapesId

public int[] getShapesId()

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Returns:

Returns the shapesId.

isVisited

public boolean isVisited()

setVisited

public void setVisited(boolean visited)

isChildrenVisited

public boolean isChildrenVisited()

setChildrenVisited

public void setChildrenVisited(boolean childrenVisited)

copy

public Node copy()
          throws IOException

Throws:

IOException

close

public void close()

Clears up whatever resources the node is hanging onto

clean

public void clean()

To be used only against in memory nodes, allows to start over on rebuilding this node

pack

public void pack()