Application: gvSIG desktop

/* gvSIG. Geographic Information System of the Valencian Government

 *

 * Copyright (C) 2007-2008 Infrastructures and Transports Department

 * of the Valencian Government (CIT)

 *

 * 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 2

 * 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.

 *

 */

/*

 * AUTHORS (In addition to CIT):

 * 2008 {{Company}}   {{Task}}

 */

package org.gvsig.fmap.dal.feature.spi;

import org.gvsig.fmap.dal.feature.FeatureReference;

import org.gvsig.fmap.dal.feature.FeatureType;

/**

 * Interface for feature references services for feature based data providers

 *

 *

 * @author jmvivo

 *

 */

public interface FeatureReferenceProviderServices extends FeatureReference {

        /**

         * Return the OID (Object IDentifier) object that represents this reference

         *

         * <strong>Note:</strong> this can be <code>null</code> if provider does not

         * support OID

         *

         * @return <code>Object</code> that identifies a feature

         *

         * @see FeatureStoreProvider#getOIDType()

         * @see FeatureType#hasOID()

         */

        public Object getOID();

        /**

         * Return the attribute names that compound the Primary Key of represented

         * feature

         *

         * @return attribute names

         *

         * @see #getKeyValue(String)

         */

        public String[] getKeyNames();

        /**

         * Return the value of an attribute that compound the Primary Key of

         * represented feature

         *

         * @param name

         * @return

         *

         * @see #getKeyNames()

         */

        public Object getKeyValue(String name);

        /**

         * Inform that represented feature is not stored in the original data store

         *

         * @return true if not in the original store

         */

        public boolean isNewFeature();

        /**

         * Return the identifier of the {@link FeatureType} of the represented

         * feature

         *

         * @return

         */

        public String getFeatureTypeId();

}