org.deegree.model.coverage.grid.oracle
Class OracleGeoRasterGridCoverageReader

java.lang.Object
  org.deegree.model.coverage.grid.AbstractGridCoverageReader
      org.deegree.model.coverage.grid.oracle.OracleGeoRasterGridCoverageReader

All Implemented Interfaces:

GridCoverageReader

public class OracleGeoRasterGridCoverageReader
extends AbstractGridCoverageReader

Reader for Coverages stored in Oracle 10g GeoRaster format

Since:

2.0

Version:

$Revision: 20437 $, 1.0. $Revision: 20437 $, $Date: 2009-10-29 09:49:03 +0100 (Do, 29. Okt 2009) $

Author:

Andreas Poth, Stephan Reichhelm, Eryk Lipski, last edited by: $Author: apoth $

Field Summary

Fields inherited from class org.deegree.model.coverage.grid.AbstractGridCoverageReader

description, envelope, format, source

Constructor Summary

OracleGeoRasterGridCoverageReader(GeoRasterDescription grDesc, CoverageOffering description, Envelope envelope, Format format)

Method Summary

void	dispose() Allows any resources held by this object to be released.
GridCoverage	read(GeneralParameterValueIm[] parameters) reads a GridCoverage from a Oracle 10g GeoRaster

Methods inherited from class org.deegree.model.coverage.grid.AbstractGridCoverageReader

calcLonLatEnvelope, getCurrentSubname, getFormat, getMetadataNames, getMetadataValue, getSource, listSubNames, setCurrentSubname, setMetadataValue

Methods inherited from class java.lang.Object

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

Constructor Detail

OracleGeoRasterGridCoverageReader

public OracleGeoRasterGridCoverageReader(GeoRasterDescription grDesc,
                                         CoverageOffering description,
                                         Envelope envelope,
                                         Format format)

Parameters:

jdbc - description of the JDBC connection to a Orable DB

table - name of the table storing the GeoRaster

column - name of the column the target GeoRaster is stored

identification - a SQL where clause that identifies the target georaster

description -

envelope -

format -

Method Detail

dispose

public void dispose()
             throws IOException

Description copied from interface: GridCoverageReader

Allows any resources held by this object to be released. The result of calling any other method subsequent to a call to this method is undefined. It is important for applications to call this method when they know they will no longer be using this GridCoverageReader. Otherwise, the reader may continue to hold on to resources indefinitely.

Throws:

IOException - if an error occured while disposing resources (for example while closing a file).

read

public GridCoverage read(GeneralParameterValueIm[] parameters)
                  throws InvalidParameterNameException,
                         InvalidParameterValueException,
                         ParameterNotFoundException,
                         IOException

reads a GridCoverage from a Oracle 10g GeoRaster

Parameters:

parameters - -

Returns:

A new grid coverage from the input source.

Throws:

InvalidParameterNameException - if a parameter in parameters doesn't have a recognized name.

InvalidParameterValueException - if a parameter in parameters doesn't have a valid value.

ParameterNotFoundException - if a parameter was required for the operation but was not provided in the parameters list.

CannotCreateGridCoverageException - if the coverage can't be created for a logical reason (for example an unsupported format, or an inconsistency found in the data).

IOException - if a read operation failed for some other input/output reason, including FileNotFoundException if no file with the given name can be found, or IIOException if an error was thrown by the underlying image library.