org.geotools.coverage.grid.io

Interface GranuleStore

All Superinterfaces:

GranuleSource

All Known Implementing Classes:

GranuleCatalogStore, RenamingGranuleStore

public interface GranuleStore
extends GranuleSource

API extending GranuleSource providing capabilities to add, delete and modify granules.

Author:

Simone Giannecchini, GeoSolutions SAS, Andrea Aime, GeoSolutions SAS, Daniele Romagnoli, GeoSolutions SAS

Field Summary

Fields inherited from interface GranuleSource

FILE_VIEW, FILES, NATIVE_BOUNDS, NATIVE_BOUNDS_KEY

Method Summary

Modifier and Type	Method and Description
void	addGranules(SimpleFeatureCollection granules) Add all the granules from the specified collection to this GranuleStore.
Transaction	getTransaction() Gets the Transaction that this GranuleStore is currently operating against.
int	removeGranules(Filter filter) Removes granules selected by the given filter.
default int	removeGranules(Filter filter, Hints hints) Removes granules selected by the given filter, controlled by a set of hints (might be implementation dependent and eventually ignored).
void	setTransaction(Transaction transaction) Provide a transaction for commit/rollback control of a modifying operation on this GranuleStore.
void	updateGranules(String[] attributeNames, Object[] attributeValues, Filter filter) Modifies the attributes with the supplied values in all granules selected by the given filter.

Methods inherited from interface GranuleSource

dispose, getBounds, getCount, getGranules, getSchema, getSupportedHints

Method Detail

addGranules

void addGranules(SimpleFeatureCollection granules)

Add all the granules from the specified collection to this GranuleStore.

Parameters:

granules - the granules to add

removeGranules

int removeGranules(Filter filter)

Removes granules selected by the given filter.

Parameters:

filter - an OpenGIS filter

Throws:

IOException - if an error occurs modifying the data source

removeGranules

default int removeGranules(Filter filter,
                           Hints hints)

Removes granules selected by the given filter, controlled by a set of hints (might be implementation dependent and eventually ignored).

Parameters:

filter - an OpenGIS filter

hints - a set of hints to control how the removal is performed

Throws:

IOException - if an error occurs modifying the data source

updateGranules

void updateGranules(String[] attributeNames,
                    Object[] attributeValues,
                    Filter filter)

Modifies the attributes with the supplied values in all granules selected by the given filter.

Parameters:

attributeNames - the attributes to modify

attributeValues - the new values for the attributes

filter - an OpenGIS filter

Throws:

IOException - if the attribute and object arrays are not equal in length; if the value types do not match the attribute types; if modification is not supported; or if there errors accessing the data source

getTransaction

Transaction getTransaction()

Gets the Transaction that this GranuleStore is currently operating against.

 
 Transaction t = GranuleStore.getTransaction();
 try {
     GranuleStore.addGranules (granules);
     t.commit();
 } catch( IOException erp ){
     // something went wrong;
     t.rollback();
 }
 
 

Returns:

Transaction in use, or Transaction.AUTO_COMMIT

setTransaction

void setTransaction(Transaction transaction)

Provide a transaction for commit/rollback control of a modifying operation on this GranuleStore.

 
 Transaction t = new DefaultTransaction();
 GranuleStore.setTransaction(t);
 try {
     GranuleStore.addGranules (granules);
     t.commit();
 } catch ( IOException ex ) {
     // something went wrong;
     t.rollback();
 } finally {
     t.close();
 }
 
 

Parameters:

transaction - the transaction