org.geotools.gce.imagemosaic.jdbc

Interface JDBCAccess

All Known Implementing Classes:

JDBCAccessCustom, JDBCAccessOracleGeoRaster, JDBCAccessPGRaster

public interface JDBCAccess

This interface lists the methods wich are used by the ImageMosaicJDBCReader class to interact with the database system.

Author:

mcr

Method Summary

Modifier and Type	Method and Description
ImageLevelInfo	getLevelInfo(int level)
int	getNumOverviews()
void	initialize() initialze the the JDBCAccess object, has to be called exactly once
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

Method Detail

startTileDecoders

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

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

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

getLevelInfo

ImageLevelInfo getLevelInfo(int level)

Parameters:

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

Returns:

the corresponding ImageLevelInfo object

getNumOverviews

int getNumOverviews()

Returns:

the number of existing pyramids

initialize

void initialize()
         throws SQLException,
                IOException

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

Throws:

SQLException

IOException