org.gvsig.fmap.dal.index.spatial.spatialindex
Class SPTLIBRTree

java.lang.Object
  org.gvsig.fmap.dal.feature.spi.index.AbstractFeatureIndexProvider
      org.gvsig.fmap.dal.index.spatial.spatialindex.SPTLIBRTree

All Implemented Interfaces:

org.gvsig.fmap.dal.feature.spi.index.FeatureIndexProvider

public class SPTLIBRTree
extends org.gvsig.fmap.dal.feature.spi.index.AbstractFeatureIndexProvider
implements org.gvsig.fmap.dal.feature.spi.index.FeatureIndexProvider

RTree spatial index based in spatial index library:
http://u-foria.org/marioh/spatialindex/index.html
marioh@cs.ucr.edu

It has the problem that spatial index file creation is a bit slowly (in comparation with other indexes).

Nested Class Summary

Nested classes/interfaces inherited from class org.gvsig.fmap.dal.feature.spi.index.AbstractFeatureIndexProvider

org.gvsig.fmap.dal.feature.spi.index.AbstractFeatureIndexProvider.LongList

Field Summary

static String

NAME

Constructor Summary

SPTLIBRTree()

Method Summary

void	clear()
void	close()
List	containtmentQuery(org.gvsig.fmap.geom.primitive.Envelope env)
void	delete(Object value, org.gvsig.fmap.dal.feature.spi.FeatureReferenceProviderServices fref)
boolean	exists() If the spatial index file exists and has content
List	findNNearest(int numberOfNearest, org.gvsig.fmap.geom.primitive.Envelope env) Looks for N indexes nearest to the specified rect.
List	findNNearest(int numberOfNearest, org.gvsig.fmap.geom.primitive.Point point) Looks for the N indexes nearest to the specified point
void	flush()
void	flush(File f)
File	getFile()
void	initialize()
void	insert(org.gvsig.fmap.geom.primitive.Envelope env, int index) Warn!
void	insert(Object value, org.gvsig.fmap.dal.feature.spi.FeatureReferenceProviderServices fref)
boolean	isMatchSupported()
boolean	isNearestSupported()
boolean	isNearestToleranceSupported()
boolean	isRangeSupported()
void	load(File f)
List	match(Object value)
List	match(Object min, Object max)
List	nearest(int count, Object value)
List	nearest(int count, Object value, Object tolerance)
List	range(Object value1, Object value2)

Methods inherited from class org.gvsig.fmap.dal.feature.spi.index.AbstractFeatureIndexProvider

allowNulls, getFeatureIndexProviderServices, setFeatureIndexProviderServices

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.gvsig.fmap.dal.feature.spi.index.FeatureIndexProvider

allowNulls, setFeatureIndexProviderServices

Field Detail

NAME

public static final String NAME

Constructor Detail

SPTLIBRTree

public SPTLIBRTree()

Method Detail

initialize

public void initialize()
                throws org.gvsig.fmap.dal.exception.InitializeException

Specified by:

initialize in interface org.gvsig.fmap.dal.feature.spi.index.FeatureIndexProvider

Overrides:

initialize in class org.gvsig.fmap.dal.feature.spi.index.AbstractFeatureIndexProvider

Throws:

org.gvsig.fmap.dal.exception.InitializeException

exists

public boolean exists()

If the spatial index file exists and has content

containtmentQuery

public List containtmentQuery(org.gvsig.fmap.geom.primitive.Envelope env)

insert

public void insert(org.gvsig.fmap.geom.primitive.Envelope env,
                   int index)

Warn! This RTree implemention doesnt care if 'index' entry has been indexed yet

findNNearest

public List findNNearest(int numberOfNearest,
                         org.gvsig.fmap.geom.primitive.Envelope env)

Looks for N indexes nearest to the specified rect.

Parameters:

numberOfNearest -

rect -

Returns:

findNNearest

public List findNNearest(int numberOfNearest,
                         org.gvsig.fmap.geom.primitive.Point point)

Looks for the N indexes nearest to the specified point

Parameters:

numberOfNearest -

point -

Returns:

flush

public void flush()

load

public void load(File f)
          throws org.gvsig.fmap.dal.feature.exception.FeatureIndexException

Throws:

org.gvsig.fmap.dal.feature.exception.FeatureIndexException

flush

public void flush(File f)
           throws org.gvsig.fmap.dal.feature.exception.FeatureIndexException

Throws:

org.gvsig.fmap.dal.feature.exception.FeatureIndexException

close

public void close()

getFile

public File getFile()

delete

public void delete(Object value,
                   org.gvsig.fmap.dal.feature.spi.FeatureReferenceProviderServices fref)

Specified by:

delete in interface org.gvsig.fmap.dal.feature.spi.index.FeatureIndexProvider

insert

public void insert(Object value,
                   org.gvsig.fmap.dal.feature.spi.FeatureReferenceProviderServices fref)

Specified by:

insert in interface org.gvsig.fmap.dal.feature.spi.index.FeatureIndexProvider

match

public List match(Object value)
           throws org.gvsig.fmap.dal.feature.exception.FeatureIndexException

Specified by:

match in interface org.gvsig.fmap.dal.feature.spi.index.FeatureIndexProvider

Throws:

org.gvsig.fmap.dal.feature.exception.FeatureIndexException

match

public List match(Object min,
                  Object max)

nearest

public List nearest(int count,
                    Object value)
             throws org.gvsig.fmap.dal.feature.exception.FeatureIndexException

Specified by:

nearest in interface org.gvsig.fmap.dal.feature.spi.index.FeatureIndexProvider

Throws:

org.gvsig.fmap.dal.feature.exception.FeatureIndexException

isMatchSupported

public boolean isMatchSupported()

Specified by:

isMatchSupported in interface org.gvsig.fmap.dal.feature.spi.index.FeatureIndexProvider

isNearestSupported

public boolean isNearestSupported()

Specified by:

isNearestSupported in interface org.gvsig.fmap.dal.feature.spi.index.FeatureIndexProvider

isNearestToleranceSupported

public boolean isNearestToleranceSupported()

Specified by:

isNearestToleranceSupported in interface org.gvsig.fmap.dal.feature.spi.index.FeatureIndexProvider

isRangeSupported

public boolean isRangeSupported()

Specified by:

isRangeSupported in interface org.gvsig.fmap.dal.feature.spi.index.FeatureIndexProvider

nearest

public List nearest(int count,
                    Object value,
                    Object tolerance)
             throws org.gvsig.fmap.dal.feature.exception.FeatureIndexException

Specified by:

nearest in interface org.gvsig.fmap.dal.feature.spi.index.FeatureIndexProvider

Throws:

org.gvsig.fmap.dal.feature.exception.FeatureIndexException

range

public List range(Object value1,
                  Object value2)
           throws org.gvsig.fmap.dal.feature.exception.FeatureIndexException

Specified by:

range in interface org.gvsig.fmap.dal.feature.spi.index.FeatureIndexProvider

Throws:

org.gvsig.fmap.dal.feature.exception.FeatureIndexException

clear

public void clear()
           throws org.gvsig.fmap.dal.exception.DataException

Specified by:

clear in interface org.gvsig.fmap.dal.feature.spi.index.FeatureIndexProvider

Throws:

org.gvsig.fmap.dal.exception.DataException