org.geotools.gce.imagemosaic.catalog

Class GranuleCatalogSource

Object

GranuleCatalogSource

All Implemented Interfaces:

GranuleSource

Direct Known Subclasses:

GranuleCatalogStore

public class GranuleCatalogSource
extends Object
implements GranuleSource

A GranuleSource implementation wrapping a GranuleCatalog.

Author:

Daniele Romagnoli, GeoSolutions SAS, Simone Giannecchini, GeoSolutions SAS

Field Summary

Fields

Modifier and Type	Field and Description
protected GranuleCatalog	catalog The underlying GranuleCatalog
protected Hints	hints
protected RasterManager	manager
protected String	typeName

Fields inherited from interface GranuleSource

FILE_VIEW, FILES, NATIVE_BOUNDS, NATIVE_BOUNDS_KEY

Constructor Summary

Constructors

Constructor and Description
GranuleCatalogSource(RasterManager manager, GranuleCatalog catalog, String typeName, Hints hints)

Method Summary

Modifier and Type	Method and Description
void	dispose() This will free/release any resource (cached granules, ...).
ReferencedEnvelope	getBounds(Query q) Get the spatial bounds of the granules that would be returned by the given Query.
int	getCount(Query q) Gets the number of the granules that would be returned by the given Query, taking into account any settings for max features and start index set on the Query.
SimpleFeatureCollection	getGranules(Query q) Retrieves granules, in the form of a SimpleFeatureCollection, based on a Query.
SimpleFeatureType	getSchema() Retrieves the schema (feature type) that will apply to granules retrieved from this GranuleSource.
Set<RenderingHints.Key>	getSupportedHints() Returns the set of hints that this GranuleSource supports via Query requests.

Methods inherited from class Object

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

Field Detail

catalog

protected GranuleCatalog catalog

The underlying GranuleCatalog

typeName

protected String typeName

hints

protected Hints hints

manager

protected RasterManager manager

Constructor Detail

GranuleCatalogSource

public GranuleCatalogSource(RasterManager manager,
                            GranuleCatalog catalog,
                            String typeName,
                            Hints hints)

Method Detail

getGranules

public SimpleFeatureCollection getGranules(Query q)
                                    throws IOException

Description copied from interface: GranuleSource

Retrieves granules, in the form of a SimpleFeatureCollection, based on a Query.

Specified by:

getGranules in interface GranuleSource

Parameters:

q - the Query to select granules

Returns:

the resulting granules.

Throws:

IOException

getCount

public int getCount(Query q)
             throws IOException

Description copied from interface: GranuleSource

Gets the number of the granules that would be returned by the given Query, taking into account any settings for max features and start index set on the Query.

Specified by:

getCount in interface GranuleSource

Parameters:

q - the Query to select granules

Returns:

the number of granules

Throws:

IOException

getBounds

public ReferencedEnvelope getBounds(Query q)
                             throws IOException

Description copied from interface: GranuleSource

Get the spatial bounds of the granules that would be returned by the given Query.

Specified by:

getBounds in interface GranuleSource

Parameters:

q - the Query to select granules

Returns:

The bounding envelope of the requested data

Throws:

IOException

getSchema

public SimpleFeatureType getSchema()
                            throws IOException

Description copied from interface: GranuleSource

Retrieves the schema (feature type) that will apply to granules retrieved from this GranuleSource.

Specified by:

getSchema in interface GranuleSource

Throws:

IOException

dispose

public void dispose()
             throws IOException

Description copied from interface: GranuleSource

This will free/release any resource (cached granules, ...).

Specified by:

dispose in interface GranuleSource

Throws:

IOException

getSupportedHints

public Set<RenderingHints.Key> getSupportedHints()

Description copied from interface: GranuleSource

Returns the set of hints that this GranuleSource supports via Query requests.

Note: the existence of a specific hint does not guarantee that it will always be honored by the implementing class.

Specified by:

getSupportedHints in interface GranuleSource

Returns:

a set of RenderingHints#Key objects; may be empty but never null

See Also:

Hints#SGCR_FILE_VIEW