Application: gvSIG desktop

import java.util.ArrayList;

import java.util.Collections;

import java.util.List;

import org.gvsig.fmap.dal.DataStore;

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

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

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

import org.gvsig.tools.exception.BaseException;

import org.gvsig.tools.visitor.Visitor;

public class IndexFeatureSet implements FeatureSet, FeatureSetProvider {

	List featureTypes = null;

	public void delete(Feature feature) throws DataException {

		index.delete(feature);

		index.getFeatureStore().delete(feature);

	}

	public FeatureType getDefaultFeatureType() {

		return index.getFeatureType();

	}

	public List getFeatureTypes() {

		List types = new ArrayList();

		types.add(index.getFeatureType());

		return Collections.unmodifiableList(types);

	}

	public void insert(EditableFeature feature) throws DataException {

		index.insert(feature);

		index.getFeatureStore().insert(feature);

	}

	public void update(EditableFeature feature) throws DataException {

		index.getFeatureStore().update(feature);

		// we need to re-index the feature, since its shape might have changed

		index.delete(feature);

		index.insert(feature);

	}

	public void dispose() {

	}

	public boolean isFromStore(DataStore store) {

		return this.store.equals(store);

	}

	public void accept(Visitor visitor) throws BaseException {

		Iterator iterator = iterator();

		while (iterator.hasNext()) {

			Feature feature = (Feature) iterator.next();

			visitor.visit(feature);

		}

	}