Revision 29391 branches/v2_0_0_prep/libraries/libFMap_dal/src/org/gvsig/fmap/dal/feature/spi/FeatureReferenceProviderServices.java

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FeatureReferenceProviderServices.java
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/* gvSIG. Geographic Information System of the Valencian Government
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 *
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 * Copyright (C) 2007-2008 Infrastructures and Transports Department
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 * of the Valencian Government (CIT)
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 *
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 * This program is free software; you can redistribute it and/or
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 * modify it under the terms of the GNU General Public License
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 * as published by the Free Software Foundation; either version 2
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 * of the License, or (at your option) any later version.
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 *
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 * This program is distributed in the hope that it will be useful,
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 * but WITHOUT ANY WARRANTY; without even the implied warranty of
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 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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 * GNU General Public License for more details.
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 *
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 * You should have received a copy of the GNU General Public License
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 * along with this program; if not, write to the Free Software
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 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
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 * MA  02110-1301, USA.
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 *
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 */
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/*


  		




  
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 * AUTHORS (In addition to CIT):


  		




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


  		




  
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 */


  		




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


  		




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


  		




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


  		




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/**


  		




  
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 * Interface for feature references services for feature based data providers


  		




  
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 *


  		




  
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 *


  		




  
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 * @author jmvivo


  		




  
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 *


  		




  
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 */


  		




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public interface FeatureReferenceProviderServices extends FeatureReference {


  		




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	/**


  		




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


  		




  
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	 *


  		




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


  		




  
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	 * support OID


  		




  
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	 *


  		




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


  		




  
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	 *


  		




  
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	 * @see FeatureStoreProvider#getOIDType()


  		




  
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	 * @see FeatureType#hasOID()


  		




  
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	 */


  		




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	public Object getOID();


  		




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	/**


  		




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


  		




  
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	 * feature


  		




  
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	 *


  		




  
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	 * @return attribute names


  		




  
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	 *


  		




  
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	 * @see #getKeyValue(String)


  		




  
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	 */


  		




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	public String[] getKeyNames();


  		




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	/**


  		




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


  		




  
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	 * represented feature


  		




  
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	 *


  		




  
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	 * @param name


  		




  
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	 * @return


  		




  
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	 *


  		




  
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	 * @see #getKeyNames()


  		




  
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	 */


  		




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	public Object getKeyValue(String name);


  		




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	/**


  		




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


  		




  
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	 *


  		




  
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	 * @return true if not in the original store


  		




  
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	 */


  		




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	public boolean isNewFeature();


  		




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	/**


  		




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


  		




  
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	 * feature


  		




  
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	 *


  		




  
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	 * @return


  		




  
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	 */


  		




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	public String getFeatureTypeId();


  		




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}


  		












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