oracle.spatial.network.nfe.vis.maps.index

Class AbstractSpatialIndex

java.lang.Object

oracle.spatial.network.nfe.vis.maps.index.AbstractSpatialIndex

Direct Known Subclasses:

RTreeIndex

public abstract class AbstractSpatialIndex
extends java.lang.Object

Abstract spatial index class. Can be used to build indexing structures on spatial data sets (composed of abstract features). These index structures can be used in edit applications to handle identify operations and others.

Constructor Summary

Constructors

Constructor and Description
AbstractSpatialIndex()

Method Summary

Modifier and Type	Method and Description
abstract boolean	addEntry(GeoObject feature) Adds an entry to the index
abstract boolean	create(java.util.Properties props) Creates the index with the specified properties
abstract boolean	create(java.util.Properties props, java.util.List<GeoObject> features) Creates the index with the input features using their MBR's.
java.util.Properties	getProperties() Returns the index properties
abstract boolean	removeEntry(GeoObject feature) Removes an entry from the index
abstract java.util.List<GeoObject>	searchEntries(java.awt.geom.Rectangle2D mbr) Returns all the entry that interact with the giveb MBR

Methods inherited from class java.lang.Object

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

Constructor Detail

AbstractSpatialIndex

public AbstractSpatialIndex()

Method Detail

getProperties

public java.util.Properties getProperties()

Returns the index properties

Returns:

create

public abstract boolean create(java.util.Properties props)

Creates the index with the specified properties

Parameters:

props -

Returns:

true if the index was successfully created

create

public abstract boolean create(java.util.Properties props,
                               java.util.List<GeoObject> features)

Creates the index with the input features using their MBR's.

Parameters:

props -

features -

Returns:

true if the index was successfully created

addEntry

public abstract boolean addEntry(GeoObject feature)
                          throws java.lang.Exception

Adds an entry to the index

Parameters:

feature -

Returns:

true if the entry was added

Throws:

java.lang.Exception

removeEntry

public abstract boolean removeEntry(GeoObject feature)
                             throws java.lang.Exception

Removes an entry from the index

Parameters:

feature -

Returns:

true if the entry could be removed

Throws:

java.lang.Exception

searchEntries

public abstract java.util.List<GeoObject> searchEntries(java.awt.geom.Rectangle2D mbr)

Returns all the entry that interact with the giveb MBR

Parameters:

mbr -

Returns:

a list of geo-objects that interact with the MBR