Updates to help with debugging etc. and some new code in the reorder controller.

webapp/src/edu/cornell/mannlib/vitro/webapp/controller/edit/ReorderController.java

@@ -8,13 +8,27 @@ import org.apache.commons.httpclient.HttpStatus;
 import org.apache.commons.logging.Log;
 import org.apache.commons.logging.LogFactory;
 
+import com.hp.hpl.jena.datatypes.TypeMapper;
+import com.hp.hpl.jena.ontology.OntModel;
+import com.hp.hpl.jena.rdf.model.Model;
+import com.hp.hpl.jena.rdf.model.ModelFactory;
+import com.hp.hpl.jena.rdf.model.Resource;
+import com.hp.hpl.jena.rdf.model.ResourceFactory;
+import com.hp.hpl.jena.rdf.model.Property;
+import com.hp.hpl.jena.rdf.model.RDFNode;
+import com.hp.hpl.jena.rdf.model.Literal;
+import com.hp.hpl.jena.shared.Lock;
+
+
 import edu.cornell.mannlib.vitro.webapp.auth.requestedAction.Actions;
 import edu.cornell.mannlib.vitro.webapp.auth.requestedAction.usepages.UseBasicAjaxControllers;
+import edu.cornell.mannlib.vitro.webapp.beans.DataProperty;
 import edu.cornell.mannlib.vitro.webapp.beans.DataPropertyStatementImpl;
 import edu.cornell.mannlib.vitro.webapp.controller.VitroRequest;
 import edu.cornell.mannlib.vitro.webapp.controller.ajax.VitroAjaxController;
 import edu.cornell.mannlib.vitro.webapp.dao.DataPropertyStatementDao;
 import edu.cornell.mannlib.vitro.webapp.dao.WebappDaoFactory;
+import edu.cornell.mannlib.vitro.webapp.dao.jena.event.EditEvent;
 
 /**
  * This controller receives Ajax requests for reordering a list of individuals. 
@@ -85,7 +99,56 @@ public class ReorderController extends VitroAjaxController {
 
         // This may not be the most efficient way. Should we instead build up a Model of retractions and additions, so
         // we only hit the database once?
+        reorderIndividuals(individualUris, vreq, rankPredicate);
+       
+        
+        response.setStatus(HttpServletResponse.SC_OK);
+        
+    }
+    
+    private void reorderIndividuals(String[] individualUris, VitroRequest vreq, String rankPredicate) {
+    	//Testing new mechanism
+    	OntModel writeModel = vreq.getJenaOntModel();
+    	Model additions = ModelFactory.createDefaultModel();
+        Model retractions = ModelFactory.createDefaultModel();
+    	Property rankPredicateProperty = ResourceFactory.createProperty(rankPredicate);
+    	DataProperty dp = vreq.getWebappDaoFactory().getDataPropertyDao().getDataPropertyByURI(rankPredicate);
+    	String datapropURI = dp.getRangeDatatypeURI();
     	int counter = 1;
+        for (String individualUri : individualUris) {           
+        	Resource individualResource = ResourceFactory.createResource(individualUri);
+        	//Deletions are all old statements with rank predicate
+        	retractions.add(writeModel.listStatements(individualResource, rankPredicateProperty, (RDFNode) null));
+        	//New statement is new literal with the data property from
+        	Literal dataLiteral = null;
+        	if(datapropURI != null && datapropURI.length() > 0) {
+        		dataLiteral = ResourceFactory.createTypedLiteral(String.valueOf(counter), TypeMapper.getInstance().getSafeTypeByName(datapropURI));
+        	} else {
+            	dataLiteral = ResourceFactory.createPlainLiteral(String.valueOf(counter));
+
+        	}
+        	additions.add(individualResource, rankPredicateProperty, dataLiteral);
+        	counter++;
+        }
+        
+        Lock lock = null;
+        try{
+            lock =  writeModel.getLock();
+            lock.enterCriticalSection(Lock.WRITE);
+            writeModel.getBaseModel().notifyEvent(new EditEvent(null,true));   
+            writeModel.add( additions );
+            writeModel.remove( retractions );
+        }catch(Throwable t){
+            log.error("error adding edit change n3required model to in memory model \n"+ t.getMessage() );
+        }finally{
+            writeModel.getBaseModel().notifyEvent(new EditEvent(null,false));
+            lock.leaveCriticalSection();
+        }       
+        
+        
+    	//old code that for some reason doesn't seem to actually commit the changes
+    	/*
+    	 * int counter = 1;
         for (String individualUri : individualUris) {           
             // Retract all existing rank statements for this individual
             dpsDao.deleteDataPropertyStatementsForIndividualByDataProperty(individualUri, rankPredicate);
@@ -97,7 +160,7 @@ public class ReorderController extends VitroAjaxController {
             counter++;
         }
         
-        response.setStatus(HttpServletResponse.SC_OK);
+    	 */
 	
     }
 

webapp/src/edu/cornell/mannlib/vitro/webapp/dao/jena/DataPropertyStatementDaoJena.java

@@ -34,12 +34,18 @@ import edu.cornell.mannlib.vitro.webapp.beans.DataProperty;
 import edu.cornell.mannlib.vitro.webapp.beans.DataPropertyStatement;
 import edu.cornell.mannlib.vitro.webapp.beans.DataPropertyStatementImpl;
 import edu.cornell.mannlib.vitro.webapp.beans.Individual;
+import edu.cornell.mannlib.vitro.webapp.controller.edit.ReorderController;
 import edu.cornell.mannlib.vitro.webapp.dao.DataPropertyStatementDao;
 import edu.cornell.mannlib.vitro.webapp.dao.VitroVocabulary;
 import edu.cornell.mannlib.vitro.webapp.dao.jena.event.IndividualUpdateEvent;
 
+import org.apache.commons.logging.Log;
+import org.apache.commons.logging.LogFactory;
+
 public class DataPropertyStatementDaoJena extends JenaBaseDao implements DataPropertyStatementDao
 {
+    private static final Log log = LogFactory.getLog(DataPropertyStatementDaoJena.class);
+
 
     private DatasetWrapperFactory dwf;
     
@@ -156,7 +162,11 @@ public class DataPropertyStatementDaoJena extends JenaBaseDao implements DataPro
             Property datatypeProperty = ResourceFactory.createProperty(
                     dataPropertyURI);
             ontModel.removeAll(indRes, datatypeProperty, (Literal)null);
-        } finally {
+        } catch(Exception ex) {
+        	log.error("Error occurred in removal of data property " + dataPropertyURI + " for " + individualURI);
+        }
+        finally {
+        
         	getOntModel().getBaseModel().notifyEvent(new IndividualUpdateEvent(
         	        getWebappDaoFactory().getUserURI(),
         	        false,
@@ -280,6 +290,8 @@ public class DataPropertyStatementDaoJena extends JenaBaseDao implements DataPro
             if (res != null && prop != null && literal != null && dataPropertyStmt.getData().length()>0) {
                 res.addProperty(prop, literal);
             }
+        } catch(Exception ex){
+        	log.error("Error occurred in adding a data property for " + dataPropertyStmt.toString());
         }finally {
         	getOntModel().getBaseModel().notifyEvent(new IndividualUpdateEvent(getWebappDaoFactory().getUserURI(),false,dataPropertyStmt.getIndividualURI()));
             ontModel.leaveCriticalSection();