Application: gvSIG desktop

/**

 * gvSIG. Desktop Geographic Information System.

 *

 * Copyright (C) 2007-2013 gvSIG Association.

 *

 * This program is free software; you can redistribute it and/or

 * modify it under the terms of the GNU General Public License

 * as published by the Free Software Foundation; either version 3

 * of the License, or (at your option) any later version.

 *

 * This program is distributed in the hope that it will be useful,

 * but WITHOUT ANY WARRANTY; without even the implied warranty of

 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

 * GNU General Public License for more details.

 *

 * You should have received a copy of the GNU General Public License

 * along with this program; if not, write to the Free Software

 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,

 * MA  02110-1301, USA.

 *

 * For any additional information, do not hesitate to contact us

 * at info AT gvsig.com, or visit our website www.gvsig.com.

 */

package org.gvsig.fmap.dal.spi;

import java.util.Collection;

import org.gvsig.fmap.dal.DataServerExplorer;

import org.gvsig.fmap.dal.DataStore;

import org.gvsig.fmap.dal.exception.CloseException;

import org.gvsig.fmap.dal.exception.InitializeException;

import org.gvsig.fmap.dal.exception.OpenException;

import org.gvsig.fmap.dal.exception.ReadException;

import org.gvsig.fmap.dal.exception.ValidateDataParametersException;

import org.gvsig.fmap.dal.resource.Resource;

import org.gvsig.fmap.dal.resource.spi.ResourceProvider;

import org.gvsig.timesupport.Interval;

import org.gvsig.timesupport.Time;

import org.gvsig.tools.dispose.Disposable;

import org.gvsig.tools.dynobject.DynObject_v2;

import org.gvsig.tools.util.UnmodifiableBasicMap;

/**

 * Base interface for all data providers

 * 

 * @author jmvivo

 *

 */

public interface DataStoreProvider extends org.gvsig.fmap.dal.DataStoreProvider, DynObject_v2, Disposable {

        /**

         * Returns an UnmodifiableBasicMap with subStores from this store.

         * If do not have children, return an empty UnmodifiableBasicMap.

         * Never returns null.

         *

         * @return SubStores UnmodifiableBasicMap

         */

        public UnmodifiableBasicMap<String,DataStore> getChildren();

        /**

         * Create a {@link DataServerExplorer} from the same source that this store.

         *

         * @return ServerExplorer

         * @throws ReadException

         * @throws ValidateDataParametersException

         */

        public abstract DataServerExplorer getExplorer() throws ReadException,

                        ValidateDataParametersException;

        /**

         * Open store. You must call it before do anything whith store.<br>

         * This method can be called repeatly.

         *

         * @throws OpenException

         */

        public abstract void open() throws OpenException;

        /**

         * Request to close de source

         *

         * @throws CloseException

         */

        public abstract void close() throws CloseException;

        /**

         * Returns the {@link Resource} from where the data is being loaded.

         * 

         * @return the data {@link Resource}

         */

        ResourceProvider getResource();

        /**

         * Force to reload information of Store

         *

         * @throws OpenException

         * @throws InitializeException

         */

        public abstract void refresh() throws OpenException, InitializeException;

        /**

         * Returns the unique identifier of the Store

         *

         * FIXME add examples

         *

         * @return

         */

        public abstract Object getSourceId();

        /**

         * Return the name of the provider.

         * Examples: dbf, shp, jdbc, postgresql, wfs, gml

         * 

         * @return

         */

        public String getProviderName();

        /**

         * Returns the name associated to the provider.

         * This name is provided for informational purposes only.

         * Explamples:

         * 

         * In a dbf the filename without the path

         * 

         * In a DDBB table the name of the table

         * 

         * In a WFS layer the name of the layer.

         *

         * @return String containing this store's name.

         */

        public String getName();

        /**

         * Returns a more descriptive name for the provider that getName.

         * This name is provided for informational purposes only.

         * Explamples:

         * 

         * In a file based store may return the full name of the filename, path and filename.

         * 

         * In a data base based store may return "server:dbname:tablename"

         * 

         * In a WFS layer based store may return "server:layername"

         * 

         * @return String Containing the full name of the store

         */

        public String getFullName();

        /**

     * Gets the {@link Interval} of the store, that means the temporal

     * interval where the store has valid data.

     * @return

     *         a time interval or null if there is not time support

     */

    public Interval getInterval();

    /**

     * Gets all the possible values of time for which the store has data.  

     * @return

     *         a collection of {@link Time} objects.

     */

    public Collection getTimes();

    /**

     * Gets all the possible values of time for which the store has data

     * and intersects with an interval.

     * @param interval

     *         the interval of time

     * @return

     *         a collection of {@link Time} objects.

     */

    public Collection getTimes(Interval interval);

}