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public interface JDBCAccess
This interface lists the methods wich are used by the ImageMosaicJDBCReader class to interact with the database system.
Method Summary | |
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ImageLevelInfo |
getLevelInfo(int level)
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int |
getNumOverviews()
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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 |
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void startTileDecoders(Rectangle pixelDimension, GeneralEnvelope requestEnvelope, ImageLevelInfo info, LinkedBlockingQueue<TileQueueElement> tileQueue, GridCoverageFactory coverageFactory) throws IOException
pixelDimension
- the needed pixel dimensionrequestEnvelope
- the needed envelope in world coordinatesinfo
- the corresponding ImageLevelInfo objecttileQueue
- a queue where to put the thread resultscoverageFactory
- GridCoverageFactory
IOException
ImageLevelInfo getLevelInfo(int level)
level
- the level (0 is original, 1 is first pyramid,...)
int getNumOverviews()
void initialize() throws SQLException, IOException
SQLException
IOException
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