org.geotools.gce.imagemosaic.jdbc.custom

Class JDBCAccessCustom

Object

JDBCAccessCustom

All Implemented Interfaces:

JDBCAccess

Direct Known Subclasses:

JDBCAccessOracleGeoRaster, JDBCAccessPGRaster

public abstract class JDBCAccessCustom
extends Object
implements JDBCAccess

This class is a base class for customzied JDBCAccess Special implentations should subclass

Author:

mcr

Constructor Summary

Constructors

Constructor and Description
JDBCAccessCustom(Config config)

Method Summary

Modifier and Type	Method and Description
protected void	closeConnection(Connection con) closeConnection
Config	getConfig()
protected Connection	getConnection() getConnection
protected CoordinateReferenceSystem	getCRS() getCRS
ImageLevelInfo	getLevelInfo(int level)
List<ImageLevelInfo>	getLevelInfos()
int	getNumOverviews()
abstract void	initialize() initialze the the JDBCAccess object, has to be called exactly once
abstract void	startTileDecoders(Rectangle pixelDimension, GeneralEnvelope requestEnvelope, ImageLevelInfo info, LinkedBlockingQueue<TileQueueElement> tileQueue, GridCoverageFactory coverageFactory) Method for starting the main action, getting the neccessairy tiles and decoding them in a multithreaded manner

Methods inherited from class Object

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

Constructor Detail

JDBCAccessCustom

public JDBCAccessCustom(Config config)
                 throws IOException

Throws:

IOException

Method Detail

getLevelInfo

public ImageLevelInfo getLevelInfo(int level)

Specified by:

getLevelInfo in interface JDBCAccess

Parameters:

level - the level (0 is original, 1 is first pyramid,...)

Returns:

the corresponding ImageLevelInfo object

getNumOverviews

public int getNumOverviews()

Specified by:

getNumOverviews in interface JDBCAccess

Returns:

the number of existing pyramids

initialize

public abstract void initialize()
                         throws SQLException,
                                IOException

Description copied from interface: JDBCAccess

initialze the the JDBCAccess object, has to be called exactly once

Specified by:

initialize in interface JDBCAccess

Throws:

SQLException

IOException

startTileDecoders

public abstract void startTileDecoders(Rectangle pixelDimension,
                                       GeneralEnvelope requestEnvelope,
                                       ImageLevelInfo info,
                                       LinkedBlockingQueue<TileQueueElement> tileQueue,
                                       GridCoverageFactory coverageFactory)
                                throws IOException

Description copied from interface: JDBCAccess

Method for starting the main action, getting the neccessairy tiles and decoding them in a multithreaded manner

Specified by:

startTileDecoders in interface JDBCAccess

Parameters:

pixelDimension - the needed pixel dimension

requestEnvelope - the needed envelope in world coordinates

info - the corresponding ImageLevelInfo object

tileQueue - a queue where to put the thread results

coverageFactory - GridCoverageFactory

Throws:

IOException

getConnection

protected Connection getConnection()

getConnection

Returns:

Connection

closeConnection

protected void closeConnection(Connection con)

closeConnection

getCRS

protected CoordinateReferenceSystem getCRS()

getCRS

Returns:

CoordinateReferenceSystem

getConfig

public Config getConfig()

Returns:

the Config

getLevelInfos

public List<ImageLevelInfo> getLevelInfos()

Returns:

LevelInofs