org.apache.hadoop.hive.ql.udf.esri

Class GeometryUtils

java.lang.Object

org.apache.hadoop.hive.ql.udf.esri.GeometryUtils

public class GeometryUtils
extends Object

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	GeometryUtils.CachedGeometryBytesWritable
static class	GeometryUtils.OGCType

Field Summary

Fields

Modifier and Type	Field and Description
static WritableBinaryObjectInspector	geometryTransportObjectInspector
static GeometryUtils.OGCType[]	OGCTypeLookup
static int	WKID_UNKNOWN

Constructor Summary

Constructors

Constructor and Description
GeometryUtils()

Method Summary

Modifier and Type	Method and Description
static boolean	compareSpatialReferences(org.apache.hadoop.io.BytesWritable geomref1, org.apache.hadoop.io.BytesWritable geomref2)
static com.esri.core.geometry.ogc.OGCGeometry	geometryFromEsriShape(org.apache.hadoop.io.BytesWritable geomref)
static com.esri.core.geometry.ogc.OGCGeometry	geometryFromEsriShape(org.apache.hadoop.io.BytesWritable geomref, boolean bytesRecycled)
static org.apache.hadoop.io.BytesWritable	geometryToEsriShapeBytesWritable(com.esri.core.geometry.Geometry geometry, int wkid, GeometryUtils.OGCType type)
static org.apache.hadoop.io.BytesWritable	geometryToEsriShapeBytesWritable(com.esri.core.geometry.MapGeometry mapGeometry)
static org.apache.hadoop.io.BytesWritable	geometryToEsriShapeBytesWritable(com.esri.core.geometry.ogc.OGCGeometry geometry)
static GeometryUtils.OGCType	getInferredOGCType(com.esri.core.geometry.Geometry geom)
static GeometryUtils.OGCType	getType(org.apache.hadoop.io.BytesWritable geomref) Gets the geometry type for the given hive geometry bytes
static int	getWKID(org.apache.hadoop.io.BytesWritable geomref) Gets the WKID for the given hive geometry bytes
static void	setType(org.apache.hadoop.io.BytesWritable geomref, GeometryUtils.OGCType type) Sets the geometry type (in place) for the given hive geometry bytes
static void	setWKID(org.apache.hadoop.io.BytesWritable geomref, int wkid) Sets the WKID (in place) for the given hive geometry bytes

Methods inherited from class java.lang.Object

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

Field Detail

WKID_UNKNOWN

public static final int WKID_UNKNOWN

See Also:

Constant Field Values

OGCTypeLookup

public static GeometryUtils.OGCType[] OGCTypeLookup

geometryTransportObjectInspector

public static final WritableBinaryObjectInspector geometryTransportObjectInspector

Constructor Detail

GeometryUtils

public GeometryUtils()

Method Detail

compareSpatialReferences

public static boolean compareSpatialReferences(org.apache.hadoop.io.BytesWritable geomref1,
                                               org.apache.hadoop.io.BytesWritable geomref2)

Parameters:

geomref1 -

geomref2 -

Returns:

return true if both geometries are in the same spatial reference

geometryToEsriShapeBytesWritable

public static org.apache.hadoop.io.BytesWritable geometryToEsriShapeBytesWritable(com.esri.core.geometry.MapGeometry mapGeometry)

geometryToEsriShapeBytesWritable

public static org.apache.hadoop.io.BytesWritable geometryToEsriShapeBytesWritable(com.esri.core.geometry.Geometry geometry,
                                                                                  int wkid,
                                                                                  GeometryUtils.OGCType type)

geometryToEsriShapeBytesWritable

public static org.apache.hadoop.io.BytesWritable geometryToEsriShapeBytesWritable(com.esri.core.geometry.ogc.OGCGeometry geometry)

geometryFromEsriShape

public static com.esri.core.geometry.ogc.OGCGeometry geometryFromEsriShape(org.apache.hadoop.io.BytesWritable geomref)

geometryFromEsriShape

public static com.esri.core.geometry.ogc.OGCGeometry geometryFromEsriShape(org.apache.hadoop.io.BytesWritable geomref,
                                                                           boolean bytesRecycled)

getType

public static GeometryUtils.OGCType getType(org.apache.hadoop.io.BytesWritable geomref)

Gets the geometry type for the given hive geometry bytes

Parameters:

geomref - reference to hive geometry bytes

Returns:

OGCType set in the 5th byte of the hive geometry bytes

setType

public static void setType(org.apache.hadoop.io.BytesWritable geomref,
                           GeometryUtils.OGCType type)

Sets the geometry type (in place) for the given hive geometry bytes

Parameters:

geomref - reference to hive geometry bytes

type - OGC geometry type

getWKID

public static int getWKID(org.apache.hadoop.io.BytesWritable geomref)

Gets the WKID for the given hive geometry bytes

Parameters:

geomref - reference to hive geometry bytes

Returns:

WKID set in the first 4 bytes of the hive geometry bytes

setWKID

public static void setWKID(org.apache.hadoop.io.BytesWritable geomref,
                           int wkid)

Sets the WKID (in place) for the given hive geometry bytes

Parameters:

geomref - reference to hive geometry bytes

wkid -

getInferredOGCType

public static GeometryUtils.OGCType getInferredOGCType(com.esri.core.geometry.Geometry geom)