com.hardcode.gdbms.engine.data.driver
Interface SpatialDriver

All Known Subinterfaces:

SpatialDBDriver, SpatialFileDriver, SpatialObjectDriver

public interface SpatialDriver

Driver to access spatial data sources

Field Summary

static int	CANBEHETEROGENEOUS
static int	HETEROGENOUS
static int	HOMOGENEOUS

Method Summary

java.awt.geom.Rectangle2D	getFullExtent() Gets the full extent of the data accessed
int	getGeometryType() Returns the geometry type of the data.
int	getHomogeneity() Returns HOMOGENEOUS if the geometries of all sources this driver can access are the of the same type.

Field Detail

HOMOGENEOUS

static final int HOMOGENEOUS

See Also:

Constant Field Values

HETEROGENOUS

static final int HETEROGENOUS

See Also:

Constant Field Values

CANBEHETEROGENEOUS

static final int CANBEHETEROGENEOUS

See Also:

Constant Field Values

Method Detail

getFullExtent

java.awt.geom.Rectangle2D getFullExtent()
                                        throws DriverException

Gets the full extent of the data accessed

Returns:

Rectangle2D

Throws:

DriverException - if the operation fails

getGeometryType

int getGeometryType()
                    throws DriverException

Returns the geometry type of the data. It can be any of the SpatialMetadata constants

Returns:

Throws:

DriverException - If the operation fails

getHomogeneity

int getHomogeneity()

Returns HOMOGENEOUS if the geometries of all sources this driver can access are the of the same type. Returns HETEROGENEOUS if the geometries of all sources this driver can access can be of any type. Returns CANBEHETEROGENEOUS if the sources this driver accesses can be HOMOGENEOUS or HETEROGENEOUS

Returns:

one of the constans HOMOGENEOUS, HETEROGENEOUS, CANBEHETEROGENEOUS