Revision 4447 trunk/extensions/extGeoProcessing/src/com/iver/gvsig/geoprocessing/impl/dissolve/DissolveGeoprocess.java
| DissolveGeoprocess.java | ||
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* |
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* $Id$ |
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* $Log$ |
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* Revision 1.5 2006-03-14 18:32:46 fjp |
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* Revision 1.6 2006-03-15 18:33:24 azabala |
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* *** empty log message *** |
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* |
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* Revision 1.5 2006/03/14 18:32:46 fjp |
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* Cambio con LayerDefinition para que sea compatible con la definici?n de tablas tambi?n. |
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* |
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* Revision 1.4 2006/03/07 21:01:33 azabala |
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import java.util.Map; |
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import com.iver.cit.gvsig.fmap.DriverException; |
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import com.iver.cit.gvsig.fmap.drivers.DriverIOException; |
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import com.iver.cit.gvsig.fmap.drivers.FieldDescription; |
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import com.iver.cit.gvsig.fmap.drivers.ILayerDefinition; |
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import com.iver.cit.gvsig.fmap.drivers.LayerDefinition; |
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import com.iver.cit.gvsig.fmap.drivers.SHPLayerDefinition; |
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import com.iver.cit.gvsig.fmap.edition.EditionException; |
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import com.iver.cit.gvsig.fmap.layers.FLyrVect; |
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import com.iver.cit.gvsig.fmap.operations.CancellableMonitorable; |
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import com.iver.cit.gvsig.fmap.operations.DefaultCancellableMonitorable; |
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import com.iver.cit.gvsig.fmap.operations.strategies.Strategy; |
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import com.iver.cit.gvsig.fmap.operations.strategies.StrategyManager; |
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import com.iver.cit.gvsig.fmap.operations.strategies.VisitException; |
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import com.iver.gvsig.geoprocessing.model.IOneLayerGeoprocess; |
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import com.iver.gvsig.geoprocessing.model.SummarizationFunction; |
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import com.iver.gvsig.geoprocessing.schemabuilder.XTypes; |
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import com.iver.utiles.swing.threads.IMonitorableTask; |
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/** |
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* Processes each geometry of a polygonal vectorial layer, looking for |
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* its adjacent polygons. If this adjacent polygons has the same specified |
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throw new GeoprocessException("Buffer con capa de entrada a null");
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if(this.writer == null || |
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this.schemaManager == null){
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throw new GeoprocessException("Operacion de buffer sin especificar capa de resultados");
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throw new GeoprocessException("Operacion de dissolve sin especificar capa de resultados");
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} |
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if(this.dissolveField == null) |
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throw new GeoprocessException("No se ha proporcionado el campo para dissolver");
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public void cancel() {
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// TODO Auto-generated method stub |
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try {
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schemaManager.drop(); |
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} catch (EditionException e) {
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// TODO Auto-generated catch block |
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e.printStackTrace(); |
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} |
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} |
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public ILayerDefinition createLayerDefinition() {
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return resultLayerDefinition; |
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} |
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public IMonitorableTask createTask() {
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try {
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return new DissolveMonitorableTask(); |
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} catch (DriverIOException e) {
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return null; |
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} |
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} |
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/** |
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* IMonitorableTask that allows to run diff geoprocess in background, |
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* with cancelation requests. |
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* |
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* @author azabala |
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* |
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*/ |
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class DissolveMonitorableTask implements IMonitorableTask {
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private CancellableMonitorable cancelMonitor = null; |
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// FIXME INTERNACIONALIZAR ESTO |
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String DISSOLVE_MESSAGE = "Computing dissolve: "; |
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private boolean finished = false; |
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DissolveMonitorableTask() throws DriverIOException {
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initialize(); |
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} |
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void initialize() throws DriverIOException{
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cancelMonitor = createCancelMonitor(); |
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} |
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private CancellableMonitorable createCancelMonitor() throws DriverIOException{
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DefaultCancellableMonitorable monitor = new |
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DefaultCancellableMonitorable(); |
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monitor.setInitialStep(0); |
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//monitor.setDeterminatedProcess(false); |
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monitor.setFinalStep(firstLayer.getSource().getShapeCount()); |
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monitor.setDeterminatedProcess(true); |
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return monitor; |
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} |
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public int getInitialStep() {
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return cancelMonitor.getInitialStep(); |
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} |
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public int getFinishStep() {
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return cancelMonitor.getFinalStep(); |
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} |
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public int getCurrentStep() {
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//return cancelMonitor.getCurrentStep(); |
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if(visitor == null) |
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return getInitialStep(); |
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else |
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return visitor.getNumProcessedGeometries(); |
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} |
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public String getStatusMessage() {
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// FIXME Cambiar esto por un mecanismo de eventos, |
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// de forma que la tarea lo que tenga sea un escuchador |
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// que cambie el mensaje de estado segun los eventos |
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// de tareas que se est?n realizando |
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return "Dissolve Geoprocess..."; |
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} |
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public String getNote() {
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// FIXME Cambiar esto por un mecanismo de eventos, |
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// de forma que la tarea lo que tenga sea un escuchador |
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// que cambie el mensaje de estado segun los eventos |
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// de tareas que se est?n realizando |
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return DISSOLVE_MESSAGE + getCurrentStep() + " of " + |
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getFinishStep(); |
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} |
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public void cancel() {
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((DefaultCancellableMonitorable) cancelMonitor).setCanceled(true); |
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} |
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public void run() throws GeoprocessException {
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try {
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FeaturePersisterProcessor2 processor = |
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new FeaturePersisterProcessor2(writer); |
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visitor = new DissolveVisitor(dissolveField, processor); |
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visitor.setDissolvedAttributesInfo(fields_functions); |
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Strategy strategy = |
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StrategyManager.getStrategy(firstLayer); |
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visitor.setStrategy(strategy); |
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if(dissolveOnlySelection){
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strategy.process(visitor, firstLayer. |
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getRecordset(). |
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getSelection(), |
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cancelMonitor); |
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}else{
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strategy.process(visitor, cancelMonitor); |
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} |
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} catch (DriverException e) {
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throw new GeoprocessException("Error accediendo a los datos durante un dissolve");
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} catch (VisitException e) {
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throw new GeoprocessException("Error al procesar los elementos de la capa de entrada durante un dissolve");
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} finally{
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finished = true; |
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} |
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} |
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public boolean isDefined() {
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return cancelMonitor.isDeterminatedProcess(); |
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} |
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public boolean isCanceled() {
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return cancelMonitor.isCanceled(); |
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} |
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public boolean isFinished() {
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return finished; |
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} |
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} |
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} |
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