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package org.gvsig.data.datastores.vectorial.file.shp_util;

import java.util.HashMap;

import org.gvsig.data.ReadException;

import org.gvsig.data.datastores.vectorial.file.shp_jni.JNISHPStore;

import org.gvsig.data.vectorial.Feature;

import org.gvsig.data.vectorial.FeatureID;

import org.gvsig.data.vectorial.FeatureType;

/**

 * This class implements the FeatureID and needs in the constructor an instance that

 * implements IGeometricDataStore for reusability.

 * 

 * @see org.gvsig.data.vectorial.FeatureID

 * @see org.gvsig.data.datastores.vectorial.file.shp_util.IGeometricDataStore

 * 

 * @author jldominguez

 *

 */

public class NewShpFeatureID implements FeatureID {

        private int featIndex = 0;

        private IGeometricDataStore store;

        /**

         * 

         * @param _store the data store to be used

         * @param findex the feature index

         */

        public NewShpFeatureID(IGeometricDataStore _store, int findex) {

                featIndex = findex;

                store = _store;

        }

        public Feature getFeature(FeatureType featureType) throws ReadException {

                Feature resp =store.getFeatureByID(this, featureType);

                return resp; 

        }

        public HashMap toHashMap() {

                HashMap result = new HashMap();

                result.put("featureIndex", new Long(featIndex));

                return result;

        }

        public int getIndex() {

                return featIndex;

        }

        public boolean equals(Object obj) {

                if (obj instanceof NewShpFeatureID)

                        return ((NewShpFeatureID) obj).getIndex() == featIndex;

                return false;

        }        

}