org.geotools.gce.imagemosaic.jdbc.custom

Class JDBCAccessPGRaster

Object

JDBCAccessCustom

JDBCAccessPGRaster

All Implemented Interfaces:

JDBCAccess

public class JDBCAccessPGRaster
extends JDBCAccessCustom

This class is used for JDBC Access to the Postgis raster feature

Author:

Christian Mueller

Field Summary

Fields

Modifier and Type	Field and Description
protected Map<ImageLevelInfo,String>	statementMap Different sql statements needed for in-db and out-db raster data

Constructor Summary

Constructors

Constructor and Description
JDBCAccessPGRaster(Config config)

Method Summary

Modifier and Type	Method and Description
ExecutorService	getExecutorServivicePool() creates a thread pool
protected Integer	getSrsId()
protected void	initFromDB(String coverageName, Connection con) Step 1 of the bootstrapping process.
void	initialize() initialze the the JDBCAccess object, has to be called exactly once
void	listGDALFormats(Connection con) List the formats supported by the used gdal library Check from the command line with gdalinfo --formats
protected Polygon	polyFromEnvelope(GeneralEnvelope env)
void	startTileDecoders(Rectangle pixelDimension, GeneralEnvelope requestEnvelope, ImageLevelInfo levelInfo, LinkedBlockingQueue<TileQueueElement> tileQueue, GridCoverageFactory coverageFactory) startTileDecoders

Methods inherited from class JDBCAccessCustom

closeCallableStmt, closeConnection, closePreparedStmt, closeResultSet, closeStmt, getConfig, getConnection, getCRS, getLevelInfo, getLevelInfos, getNumOverviews

Methods inherited from class Object

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

Field Detail

statementMap

protected Map<ImageLevelInfo,String> statementMap

Different sql statements needed for in-db and out-db raster data

Constructor Detail

JDBCAccessPGRaster

public JDBCAccessPGRaster(Config config)
                   throws IOException

Parameters:

config - Config from XML file passed to this class

Throws:

IOException

Method Detail

initialize

public void initialize()
                throws IOException

Description copied from interface: JDBCAccess

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

Specified by:

initialize in interface JDBCAccess

Specified by:

initialize in class JDBCAccessCustom

Throws:

IOException

startTileDecoders

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

startTileDecoders

Specified by:

startTileDecoders in interface JDBCAccess

Specified by:

startTileDecoders in class JDBCAccessCustom

Parameters:

pixelDimension - Not Used (passed as per interface requirement)

requestEnvelope - Geographic Envelope of request

info - Pyramid Level

tileQueue - Queue to place retrieved tile into

coverageFactory - not used (passed as per interface requirement)

Throws:

IOException

initFromDB

protected void initFromDB(String coverageName,
                          Connection con)
                   throws SQLException,
                          IOException

Step 1 of the bootstrapping process. Read meta table.

Parameters:

coverageName - the coverage name stored in the sql meta table

con - jdbc connection

Throws:

SQLException

IOException

polyFromEnvelope

protected Polygon polyFromEnvelope(GeneralEnvelope env)

Parameters:

env - GeneralEnvelope

Returns:

Polygon object with the same boundary as env

getExecutorServivicePool

public ExecutorService getExecutorServivicePool()

creates a thread pool

Returns:

listGDALFormats

public void listGDALFormats(Connection con)
                     throws SQLException

List the formats supported by the used gdal library

Check from the command line with gdalinfo --formats

Parameters:

con -

Throws:

SQLException

getSrsId

protected Integer getSrsId()