Package io.debezium.connector.mysql

Class MySqlGeometry

java.lang.Object

io.debezium.connector.mysql.MySqlGeometry

public class MySqlGeometry
extends Object

A parser API for MySQL Geometry types

Author:

Omar Al-Safi, Robert Coup

Field Summary

Fields

Modifier and Type	Field	Description
private Integer	srid	Coordinate reference system identifier.
private byte[]	wkb	Open Geospatial Consortium Well-Known-Binary representation of the Geometry.
private static byte[]	WKB_EMPTY_GEOMETRYCOLLECTION
private static int	WKB_POINT_SIZE

Constructor Summary

Constructors

Modifier	Constructor	Description
private	MySqlGeometry(byte[] wkb, Integer srid)	Create a MySqlGeometry using the supplied wkb, note this should be the cleaned wkb for MySQL

Method Summary

Modifier and Type	Method	Description
static MySqlGeometry	createEmpty()	Create a GEOMETRYCOLLECTION EMPTY MySqlGeometry
static MySqlGeometry	fromBytes(byte[] mysqlBytes)	Create a MySqlGeometry from the original byte array from MySQL binlog event
Integer	getSrid()	Returns the coordinate reference system identifier (SRID)
byte[]	getWkb()	Returns the standard well-known binary representation of the MySQL byte
boolean	isPoint()	Returns whether this geometry is a 2D POINT type.

Methods inherited from class java.lang.Object

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

Field Detail

WKB_POINT_SIZE

private static final int WKB_POINT_SIZE

See Also:

Constant Field Values

WKB_EMPTY_GEOMETRYCOLLECTION

private static final byte[] WKB_EMPTY_GEOMETRYCOLLECTION

wkb

private final byte[] wkb

Open Geospatial Consortium Well-Known-Binary representation of the Geometry. http://www.opengeospatial.org/standards/sfa

srid

private final Integer srid

Coordinate reference system identifier. While it's technically user-defined, the standard/common values in use are the EPSG code list http://www.epsg.org/ null if unset/unknown

Constructor Detail

MySqlGeometry

private MySqlGeometry(byte[] wkb,
                      Integer srid)

Create a MySqlGeometry using the supplied wkb, note this should be the cleaned wkb for MySQL

Parameters:

wkb - the Well-Known binary representation of the coordinate in the standard format

Method Detail

fromBytes

public static MySqlGeometry fromBytes(byte[] mysqlBytes)

Create a MySqlGeometry from the original byte array from MySQL binlog event

Parameters:

mysqlBytes - he original byte array from MySQL binlog event

Returns:

a MySqlGeometry which represents a MySqlGeometry API

getWkb

public byte[] getWkb()

Returns the standard well-known binary representation of the MySQL byte

Returns:

byte which represents the standard well-known binary

getSrid

public Integer getSrid()

Returns the coordinate reference system identifier (SRID)

Returns:

srid

isPoint

public boolean isPoint()

Returns whether this geometry is a 2D POINT type.

Returns:

true if the geometry is a 2D Point.

createEmpty

public static MySqlGeometry createEmpty()

Create a GEOMETRYCOLLECTION EMPTY MySqlGeometry

Returns:

a MySqlGeometry which represents a MySqlGeometry API