Application: gvSIG desktop » gvSIG geoprocess

 * 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.

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

 * gvsig.com, or visit our website www.gvsig.com.

 *

    private EditableFeature lastEditFeature = null;

    private ArrayList<Geometry> geometries = new ArrayList<Geometry>();

    private IDissolveRule criteria = null;

    private AtomicDissolveOperation atomicOperation = null;

    /**

     * Cada elemento representa una feature del vectorial de entrada. Cuando se

     * hace un dissolve de esa feature con otra su posici?n en el array se pone

     * a false para no volver a procesarla.

     */

    public DissolveOperation(IDissolveRule criteria, AbstractSextanteGeoProcess p) {

        super(p);

        this.criteria = criteria;

    }

    public AtomicDissolveOperation getAtomicDissolveOperation() {

        if (atomicOperation == null) {

            atomicOperation = new AtomicDissolveOperation(process);

        }

        return atomicOperation;

    }

    /*

     * (non-Javadoc)

     * @see org.gvsig.geoprocess.algorithm.base.core.GeometryOperation#invoke(org.gvsig.fmap.geom.Geometry, org.gvsig.fmap.dal.feature.Feature)

     */

    public EditableFeature invoke(org.gvsig.fmap.geom.Geometry g, Feature feature) {

        if (g == null) {

            return lastEditFeature;

        }

        getAtomicDissolveOperation().setFeature(feature);

        try {

            getAtomicDissolveOperation().computesOperation(selectedGeomInput);

            EditableFeature res = (EditableFeature) getAtomicDissolveOperation().getResult();

            lastEditFeature = persister.addFeature(res, res.getDefaultGeometry());

        } catch (DataException e) {

            Sextante.addErrorToLog(e);

        } catch (CreateGeometryException e) {

            Sextante.addErrorToLog(e);

        }

        return lastEditFeature;

    }

    /*

     * (non-Javadoc)

     * @see org.gvsig.geoprocess.algorithm.base.core.GeometryOperation#invoke(org.gvsig.fmap.geom.Geometry, org.gvsig.fmap.dal.feature.EditableFeature)

     */

    public void invoke(org.gvsig.fmap.geom.Geometry g, EditableFeature feature) {

        if (g == null) {

            return;

        }

    }

    /*

     * (non-Javadoc)

     * @see org.gvsig.geoprocess.algorithm.base.core.IOperation#getResult()

     */

    public Object getResult() {

        return lastEditFeature;

    }

    /**

     * Computes a complete operation over the input FeatureStore. The result of

     * this operation is stored in the output FeatureStore.

     *

     * @param inFeatStore Input FeatureStore

     * @param outFeatStore Output FeatureStore

     * @param attrNames List of attributes to build the output feature store

     * @param selectedGeom If it is true only the selected geometries will be

     * processed

     * @throws DataException

     */

    @SuppressWarnings({"deprecation"})

    public void computesGeometryOperation(FeatureStore inFeatStore,

            FeatureStore outFeatStore,

            String[] attrNames,

            boolean selectedGeomInput,

            boolean selectedGeomOutput,

            boolean closeOutStore) throws DataException {

        this.inFeatureStore = inFeatStore;

        this.selectedGeomInput = selectedGeomInput;

        this.selectedGeomOverlay = selectedGeomOutput;

        FeatureSet featuresSet = null;

        featuresSet = inFeatStore.getFeatureSet();

        setFeatureStore(outFeatStore, attrNames);

        DisposableIterator it = null;

        if (selectedGeomInput) {

        } else {

            it = featuresSet.iterator();

            numberOfFeatures = (int) featuresSet.getSize();

        }

        ArrayList<Feature> featList = new ArrayList<Feature>();

        int iCount = 0;

        while (it.hasNext() && !process.getTaskMonitor().isCanceled()) {

            featList.add((Feature) it.next());

            iCount++;

        }

        getAtomicDissolveOperation().setTaskStatus(status);

        getAtomicDissolveOperation().setGeoProcess(process, numberOfFeatures);

        getAtomicDissolveOperation().setCriteria(criteria);

        getAtomicDissolveOperation().setGeometryList(geometries);

        getAtomicDissolveOperation().setFeatureStore(persister.getOutputFeatureStore(), null);

        getAtomicDissolveOperation().setFeatureList(featList);

        iCount = 0;

        while (featList.size() > 0 && !process.getTaskMonitor().isCanceled()) {

            Feature feature = featList.remove(0);

            geometries.clear();

            if (status != null && process != null) {

                status.setCurValue(numberOfFeatures - featList.size());

                process.setProgress(numberOfFeatures - featList.size(), numberOfFeatures);

            }

            org.gvsig.fmap.geom.Geometry geom = feature.getDefaultGeometry();

            if (!(geom instanceof NullGeometry)) {

                geometries.add(GeometryUtil.geomToJTS(geom));

                invoke(geom, feature);

            }

            continue;

        }

        if (closeOutStore && persister != null) {

            persister.end();

        }

    }

    /**

     * Computes a complete operation over the input FeatureStore. The result of

     * this operation is stored in the output FeatureStore.

     *

     * @param inFeatStore Input FeatureStore

     * @param outFeatStore Output FeatureStore

     * @param attrNames List of attributes to build the output feature store

     * @param selectedGeom If it is true only the selected geometries will be

     * processed

     * @throws DataException

     */