svn-gvsig-desktop / trunk / libraries / libFMap / src / com / iver / cit / gvsig / fmap / edition / VectorialEditableDBAdapter.java @ 11468
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/**
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*
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*/
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package com.iver.cit.gvsig.fmap.edition; |
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import java.awt.geom.Rectangle2D; |
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import java.util.ArrayList; |
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import java.util.Hashtable; |
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import java.util.List; |
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import org.cresques.cts.IProjection; |
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import com.hardcode.driverManager.Driver; |
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import com.hardcode.gdbms.driver.exceptions.ReadDriverException; |
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import com.iver.cit.gvsig.exceptions.commands.EditionCommandException; |
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import com.iver.cit.gvsig.exceptions.expansionfile.ExpansionFileReadException; |
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import com.iver.cit.gvsig.exceptions.expansionfile.ExpansionFileWriteException; |
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import com.iver.cit.gvsig.exceptions.expansionfile.OpenExpansionFileException; |
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import com.iver.cit.gvsig.exceptions.layers.CancelEditingLayerException; |
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import com.iver.cit.gvsig.exceptions.visitors.StartWriterVisitorException; |
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import com.iver.cit.gvsig.exceptions.visitors.StopWriterVisitorException; |
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import com.iver.cit.gvsig.fmap.core.IFeature; |
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import com.iver.cit.gvsig.fmap.core.IRow; |
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import com.iver.cit.gvsig.fmap.core.v02.FConverter; |
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import com.iver.cit.gvsig.fmap.drivers.AttrQueryFeatureIterator; |
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import com.iver.cit.gvsig.fmap.drivers.DBLayerDefinition; |
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import com.iver.cit.gvsig.fmap.drivers.DefaultFeatureIterator; |
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import com.iver.cit.gvsig.fmap.drivers.IFeatureIterator; |
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import com.iver.cit.gvsig.fmap.drivers.IndexedSptQueryFeatureIterator; |
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import com.iver.cit.gvsig.fmap.drivers.SpatialQueryFeatureIterator; |
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import com.iver.cit.gvsig.fmap.drivers.VectorialDatabaseDriver; |
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import com.iver.cit.gvsig.fmap.layers.ISpatialDB; |
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import com.iver.cit.gvsig.fmap.layers.VectorialDBAdapter; |
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import com.vividsolutions.jts.geom.Envelope; |
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import com.vividsolutions.jts.index.quadtree.Quadtree; |
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/**
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* @author fjp
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*
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*/
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public class VectorialEditableDBAdapter extends VectorialEditableAdapter |
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implements ISpatialDB {
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private class MyIterator implements IFeatureIterator { |
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private Rectangle2D extent = null; |
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private VectorialDBAdapter orig;
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private IFeature feat;
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private IFeatureIterator featIt;
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private String epsg; |
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private VectorialDatabaseDriver dbDriver;
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Hashtable alreadyDone = new Hashtable(); |
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private int idFromExpansion = 0; |
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private List listFromExpansion; |
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private boolean bOriginalCursorOpened = true; |
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public MyIterator(Rectangle2D r, String strEPSG) throws ReadDriverException { |
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extent = r; |
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epsg = strEPSG; |
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orig = (VectorialDBAdapter) ova; |
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featIt = orig.getFeatureIterator(extent, epsg); |
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dbDriver = (VectorialDatabaseDriver) getOriginalDriver(); |
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getFeaturesFromExpansionFile(); |
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} |
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/*
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* azo: these new constructors must be tested
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* */
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public MyIterator(String[] fields, IProjection newProjection) throws ReadDriverException{ |
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epsg = newProjection.getAbrev(); |
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orig = (VectorialDBAdapter) ova; |
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featIt = orig.getFeatureIterator(fields, newProjection); |
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dbDriver = (VectorialDatabaseDriver) getOriginalDriver(); |
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getFeaturesFromExpansionFile(); |
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} |
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public MyIterator(String sql, IProjection newProjection) throws ReadDriverException{ |
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epsg = newProjection.getAbrev(); |
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orig = (VectorialDBAdapter) ova; |
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featIt = orig.getFeatureIterator(sql, newProjection); |
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dbDriver = (VectorialDatabaseDriver) getOriginalDriver(); |
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getFeaturesFromExpansionFile(); |
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} |
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public MyIterator(Rectangle2D rect, String[] fields, IProjection newProjection) throws ReadDriverException{ |
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extent = rect; |
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epsg = newProjection.getAbrev(); |
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orig = (VectorialDBAdapter) ova; |
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featIt = orig.getFeatureIterator(extent, fields, newProjection); |
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dbDriver = (VectorialDatabaseDriver) getOriginalDriver(); |
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getFeaturesFromExpansionFile(); |
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} |
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public boolean hasNext() throws ReadDriverException, ExpansionFileReadException { |
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feat = null;
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int calculatedIndex = -1; |
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if (bOriginalCursorOpened) // Si hay originales (Es porque si se ha |
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// llegado al final, se cierra el
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// iterador y salta un fallo
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{
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bOriginalCursorOpened = featIt.hasNext(); |
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if (bOriginalCursorOpened) {
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feat = featIt.next(); |
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int originalIndex = dbDriver.getRowIndexByFID(feat);
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// Iteramos hasta que encontremos alguno no borrado.
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// Aqu? suponemos que el orden es el original. Si no, no funcionar?.
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if (delRows.get(originalIndex)) // Si est? borrado |
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{
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feat = null;
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boolean bFound = false; |
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while (featIt.hasNext())
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{
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feat = featIt.next(); |
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originalIndex = dbDriver.getRowIndexByFID(feat); |
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// calculatedIndex = getCalculatedIndex(originalIndex);
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if (delRows.get(originalIndex) == false) // Si NO est? borrado |
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{
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bFound = true;
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break;
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} |
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} |
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if (bFound == false) // Todos los ?ltimos est?n borrados. |
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{
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bOriginalCursorOpened = false; // para que busque en el fichero de expansi?n |
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feat = null;
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} |
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} // if delRows
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if (bOriginalCursorOpened) // Si todav?a quedan features por leer, y no est?n borradas |
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{
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calculatedIndex = originalIndex; //getCalculatedIndex(originalIndex);
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Integer integer = new Integer(calculatedIndex); |
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if (!relations.containsKey(integer)) { // Si no est? en el |
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// fichero de
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// expansi?n
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alreadyDone.put(integer, feat); |
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} else { // Si est? en el fichero de expansi?n |
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int num = ((Integer) relations.get(integer)).intValue(); |
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IRowEdited auxR; |
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auxR = expansionFile.getRow(num); |
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feat = (IFeature) auxR.getLinkedRow().cloneRow(); |
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// feat = (IFeature) auxR.getLinkedRow();
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alreadyDone.put(integer, feat); |
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} // else
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} // if tercer bOriginalCursorOpened
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} // if segundo bOriginalCursorOpened
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} // if primer bOriginalCursorOpened
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if (!bOriginalCursorOpened) {
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// Si ya no hay m?s de las originales, todav?a tenemos
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// que revisar las a?adidas que hay en el fichero
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// de expansi?n
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while ((idFromExpansion < expansionFile.getSize()) && (feat == null)) |
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{
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IRowEdited rowEd = expansionFile.getRow(idFromExpansion); |
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IFeature aux = (IFeature) rowEd.getLinkedRow(); |
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Integer calculated = (Integer) mapFID2index.get(aux.getID()); |
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calculatedIndex = calculated.intValue(); |
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System.out.println("El elemento idFromExpansion = " + idFromExpansion + " es " + aux.getID()); |
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// Revisamos los borrados
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if (delRows.get(calculatedIndex) == true) |
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{
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boolean bFound = false; |
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while ((!bFound) && (idFromExpansion < expansionFile.getSize()-1)) |
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{
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// calculatedIndex++;
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idFromExpansion++; |
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rowEd = expansionFile.getRow(idFromExpansion); |
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aux = (IFeature) rowEd.getLinkedRow(); |
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Integer auxCalculated = (Integer) mapFID2index.get(aux.getID()); |
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calculatedIndex = auxCalculated.intValue(); |
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// Si no est? borrado y es una entidad v?lida, que est? siendo usada (no es algo que est? en el expansionFile sin usarse)
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if ((delRows.get(calculatedIndex) == false) && (relations.containsKey(auxCalculated))) |
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{
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bFound = true;
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calculated = auxCalculated; |
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break;
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} |
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else
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{
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System.out.println("El elemento idFromExpansion = " + idFromExpansion + " est? borrado"); |
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} |
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} |
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if (bFound)
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{
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calculated = new Integer(calculatedIndex); |
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rowEd = expansionFile.getRow(idFromExpansion); |
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aux = (IFeature) rowEd.getLinkedRow(); |
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} |
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else
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{
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return false; // El resto est?n borrados |
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} |
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} // if primer borrado
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if (relations.containsKey(calculated))
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{
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Integer realExpansionIndex = (Integer) relations.get(calculated); |
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if (realExpansionIndex.intValue() == idFromExpansion)
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{
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feat = (IFeature) aux.cloneRow(); |
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} |
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} |
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idFromExpansion++; |
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} |
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} |
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if (calculatedIndex == -1) |
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return false; |
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else {
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if (feat == null) |
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{
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if (idFromExpansion == expansionFile.getSize())
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return false; |
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else
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System.err.println("ERROR DE ENTREGA DE FEATURE EN hasNext del Iterador"); |
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} |
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/* if (delRows.get(calculatedIndex))
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feat = null; */
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return true; |
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} |
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} |
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public IFeature next() {
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return feat;
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} |
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public void closeIterator() throws ReadDriverException { |
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// TODO Auto-generated method stub
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} |
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private void getFeaturesFromExpansionFile() { |
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Envelope e = FConverter.convertRectangle2DtoEnvelope(extent); |
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listFromExpansion = index.query(e); |
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} |
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} |
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private Hashtable mapFID2index = new Hashtable(); |
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private Hashtable mapIndex2FID = new Hashtable(); |
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/**
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*
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*/
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public VectorialEditableDBAdapter() {
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super();
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} |
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/*
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* (non-Javadoc)
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*
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* @see com.iver.cit.gvsig.fmap.edition.VectorialEditableAdapter#getFeatures(java.awt.geom.Rectangle2D,
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* java.lang.String)
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*/
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public IRowEdited[] getFeatures(Rectangle2D r, String strEPSG) throws ReadDriverException, ExpansionFileReadException { |
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ArrayList aux = new ArrayList(); |
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IFeatureIterator featIt = getFeatureIterator(r, strEPSG, null);
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int numEntities = 0; |
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while (featIt.hasNext()) {
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IFeature feat = featIt.next(); |
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// TODO:
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assert(feat !=null); |
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int index = getRowIndexByFID(feat);
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IRowEdited edRow = new DefaultRowEdited(feat, IRowEdited.STATUS_ORIGINAL, index);
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aux.add(edRow); |
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numEntities++; |
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} |
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return (IRowEdited[]) aux.toArray(new IRowEdited[0]); |
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// return (IFeature[]) aux.toArray(new IFeature[0]);
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} |
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/*
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* (non-Javadoc)
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*
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* @see com.iver.cit.gvsig.fmap.edition.VectorialEditableAdapter#startEdition()
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*/
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public void startEdition(int sourceType) throws StartWriterVisitorException { |
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isEditing = true;
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Driver drv = ova.getDriver();
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if (drv instanceof IWriteable) |
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{
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setWriter(((IWriteable) drv).getWriter()); |
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} |
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try {
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expansionFile.open(); |
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// TODO: Si la capa dispone de un ?ndice espacial, hacer
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// algo aqu? para que se use ese ?ndice espacial.
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index = new Quadtree();
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// No metemos ninguna entidad de las originales dentro
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// de la base de datos porque esa consulta ya la
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// hace getFeatures sin tener en cuenta el ?ndice local.
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for (int i = 0; i < ova.getShapeCount(); i++) |
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{
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IFeature feat = ova.getFeature(i); |
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Integer calculatedIndex = new Integer(i); |
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mapFID2index.put(feat.getID(), calculatedIndex); |
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mapIndex2FID.put(calculatedIndex, feat.getID()); |
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} |
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/*
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* for (int i = 0; i < ova.getShapeCount(); i++) { IGeometry g=null;
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* try { g = ((DefaultFeature) ova.getFeature(i)).getGeometry(); }
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* catch (DriverException e1) { // TODO Auto-generated catch block
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* e1.printStackTrace(); }
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*
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* if (g == null) { continue; }
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*
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* Rectangle2D r = g.getBounds2D(); Envelope e = new
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* Envelope(r.getX(), r.getX() + r.getWidth(), r.getY(), r.getY() +
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* r.getHeight()); index.insert(e, new Integer(i)); } } catch
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* (DriverIOException e) { throw new EditionException(e);
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*/
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} catch (ReadDriverException e) {
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throw new StartWriterVisitorException(writer.getName(),e); |
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} catch (ExpansionFileReadException e) {
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throw new StartWriterVisitorException(writer.getName(),e); |
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} catch (OpenExpansionFileException e) {
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throw new StartWriterVisitorException(writer.getName(),e); |
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} |
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System.err.println("Se han metido en el ?ndice " |
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+ index.queryAll().size() + " geometr?as");
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} |
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public IFeatureIterator getFeatureIterator(Rectangle2D r, String strEPSG) |
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throws ReadDriverException {
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return new MyIterator(r, strEPSG); |
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} |
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public IFeatureIterator getFeatureIterator(Rectangle2D r, String strEPSG, |
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String[] alphaNumericFieldsNeeded) throws ReadDriverException { |
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return new MyIterator(r, strEPSG); |
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} |
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public IFeatureIterator getFeatureIterator(String[] fields, IProjection newProjection) |
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throws ReadDriverException{
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return new DefaultFeatureIterator(this, projection, newProjection, fields); |
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} |
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/**
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* Return a feature iterator from a given sql statement.
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* <br>
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* In this case, the statement will have the "projection" operator
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* (select campo1, campo2, ...etc) and the "selection" operator (where ....)
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* @param sql statement which define a filter
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* @return feature iterator
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* */
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public IFeatureIterator getFeatureIterator(String sql, |
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IProjection newProjection) throws ReadDriverException{
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return new AttrQueryFeatureIterator(this, projection, newProjection, sql); |
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} |
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/**
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* Makes an spatial query returning a feature iterator over the features which intersects
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* or are contained in the rectangle query. Applies a restriction to the alphanumeric fields
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* returned by the iterator.
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* @param rect
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* @param fields
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* @return
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* @throws ReadDriverException
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*/
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public IFeatureIterator getFeatureIterator(Rectangle2D rect, String[] fields, IProjection newProjection) throws ReadDriverException{ |
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if(fmapSpatialIndex == null){ |
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return new SpatialQueryFeatureIterator(this, projection, newProjection, fields, rect); |
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}else{
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return new IndexedSptQueryFeatureIterator(this, projection, newProjection, fields, rect, fmapSpatialIndex); |
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} |
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} |
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public DBLayerDefinition getLyrDef() {
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VectorialDBAdapter orig = (VectorialDBAdapter) ova; |
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return orig.getLyrDef();
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} |
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public int getRowIndexByFID(IFeature feat) { |
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Integer calculatedIndex = (Integer) mapFID2index.get(feat.getID()); |
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return getInversedIndex(calculatedIndex.intValue());
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} |
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/* (non-Javadoc)
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* @see com.iver.cit.gvsig.fmap.edition.VectorialEditableAdapter#doAddRow(com.iver.cit.gvsig.fmap.core.IRow)
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*/
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public int doAddRow(IRow feat, int sourceType) throws ReadDriverException, ExpansionFileWriteException { |
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int calculatedIndex = super.doAddRow(feat, sourceType); |
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// Integer posInExpansionFile = (Integer) relations.get(new Integer(calculatedIndex));
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Integer virtual = new Integer(calculatedIndex); // calculatedIndex es igual al numero de shapes originales + el numero de entidades a?adidas. |
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// es decir, virtual es el calculatedIndex (no tiene en cuenta los borrados)
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// calculatedIndex = indiceExterno + borrados hasta ese punto.
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mapFID2index.put(feat.getID(), virtual); |
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mapIndex2FID.put(virtual, feat.getID()); |
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return calculatedIndex;
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} |
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/* (non-Javadoc)
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* @see com.iver.cit.gvsig.fmap.edition.VectorialEditableAdapter#doModifyRow(int, com.iver.cit.gvsig.fmap.core.IRow)
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*/
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public int doModifyRow(int calculatedIndex, IRow feat,int sourceType) throws ReadDriverException, ExpansionFileWriteException, ExpansionFileReadException{ |
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int posAnteriorInExpansionFile = super.doModifyRow(calculatedIndex, feat, sourceType); // devolver? -1 si es original |
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// No hacemos nada con las modificaciones sobre los ?ndices.
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// Suponiendo que feat tenga la misma ID que la que hab?a antes.
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Integer virtual = new Integer(calculatedIndex); |
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String theIDoriginal = (String) mapIndex2FID.get(virtual); |
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if (!theIDoriginal.equals(feat.getID()))
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{
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AssertionError err = new AssertionError("Fallo al modificar la fila. ID viejo=" + theIDoriginal + " ID nuevo = " + feat.getID()); |
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err.printStackTrace(); |
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} |
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// hashFIDtoExpansionFile.put(feat.getID(), new Integer(posInExpansionFile));
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mapFID2index.put(feat.getID(), virtual); |
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mapIndex2FID.put(virtual, feat.getID()); |
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return posAnteriorInExpansionFile;
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} |
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/* (non-Javadoc)
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* @see com.iver.cit.gvsig.fmap.edition.VectorialEditableAdapter#doRemoveRow(int)
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*/
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public IRow doRemoveRow(int index,int sourceType) throws ReadDriverException, ExpansionFileReadException { |
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// Le entra un calculatedIndex, as? que delRows tiene guardados
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// los ?ndices internos, no los externos.
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IFeature deletedFeat = (IFeature) super.doRemoveRow(index, sourceType);
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// Lo borramos de hashFIDtoExpansionFile
|
| 452 |
// hashFIDtoExpansionFile.remove(deletedFeat.getID());
|
| 453 |
return deletedFeat;
|
| 454 |
} |
| 455 |
|
| 456 |
/* (non-Javadoc)
|
| 457 |
* @see com.iver.cit.gvsig.fmap.edition.VectorialEditableAdapter#undoAddRow(int)
|
| 458 |
*/
|
| 459 |
public void undoAddRow(int calculatedIndex, int sourceType) throws EditionCommandException { |
| 460 |
// TODO Auto-generated method stub
|
| 461 |
super.undoAddRow(calculatedIndex,sourceType);
|
| 462 |
Integer calculated = new Integer(calculatedIndex); |
| 463 |
String theID = (String) mapIndex2FID.get(calculated); |
| 464 |
mapFID2index.remove(calculated); |
| 465 |
mapIndex2FID.remove(theID); |
| 466 |
|
| 467 |
} |
| 468 |
public void cancelEdition(int sourceType) throws CancelEditingLayerException { |
| 469 |
super.cancelEdition(sourceType);
|
| 470 |
mapFID2index.clear(); |
| 471 |
mapIndex2FID.clear(); |
| 472 |
} |
| 473 |
|
| 474 |
public void stopEdition(IWriter writer, int sourceType) throws StopWriterVisitorException{ |
| 475 |
super.stopEdition(writer, sourceType);
|
| 476 |
mapFID2index.clear(); |
| 477 |
mapIndex2FID.clear(); |
| 478 |
} |
| 479 |
|
| 480 |
|
| 481 |
} |