steve@0: package org.qmul.eecs.c4dm.sia;
steve@0: 
steve@0: import java.util.Vector;
steve@0: 
stevenh@89: import org.qmul.eecs.c4dm.sia.exceptions.DimensionException;
stevenh@89: import org.qmul.eecs.c4dm.sia.model.Datapoint;
steve@0: import org.qmul.eecs.c4dm.sia.model.DimensionValue;
stevenh@89: import org.qmul.eecs.c4dm.sia.model.VectorTableElement;
steve@0: 
steve@0: import com.hp.hpl.jena.ontology.OntModel;
steve@0: import com.hp.hpl.jena.rdf.model.Literal;
steve@0: import com.hp.hpl.jena.rdf.model.Property;
steve@0: import com.hp.hpl.jena.rdf.model.RDFNode;
steve@0: import com.hp.hpl.jena.rdf.model.Resource;
steve@0: import com.hp.hpl.jena.rdf.model.Statement;
steve@0: import com.hp.hpl.jena.rdf.model.StmtIterator;
steve@0: 
steve@0: public class SiaDimensionValueFactory {
steve@0: 
stevenh@89: 	public static Vector<DimensionValue> getDimensionValuesForVectorTableElement(VectorTableElement vte) throws DimensionException
stevenh@89: 	{
stevenh@89: 		Datapoint fromDatapoint = vte.getFromDatapoint();
stevenh@89: 		Datapoint toDatapoint = vte.getToDatapoint();
stevenh@89: 
stevenh@89: 		int dimensionality = fromDatapoint.getDimensionValues().size();
stevenh@89: 		Vector<DimensionValue> dimVals = new Vector<DimensionValue>();
stevenh@89: 		
stevenh@89: 		for (int dim = 1; dim <= dimensionality; dim++)
stevenh@89: 		{
stevenh@89: 			double val = toDatapoint.getDimensionValue(dim) - fromDatapoint.getDimensionValue(dim);
stevenh@89: 			DimensionValue dimVal = new DimensionValue();
stevenh@89: 			dimVal.setDimension(dim);
stevenh@89: 			dimVal.setValue(val);
stevenh@89: 			dimVals.add(dimVal);
stevenh@89: 		}
stevenh@89: 
stevenh@89: 		return dimVals;
stevenh@89: 	}
stevenh@89: 	
steve@0: 	public static Vector<DimensionValue> getDimensionValuesForResource(
steve@0: 			OntModel ontModel, Resource subject) {
steve@0: 		DimensionValue dimVal;
steve@0: 		StmtIterator dimValStmtIter;
steve@0: 		Property dimValProperty = ontModel.getOntProperty(DimensionValue.PROPERTY_URI);
steve@0: 		Property dimensionProperty = ontModel.getOntProperty(DimensionValue.DIMENSION_URI);
steve@0: 		Property valueProperty = ontModel.getOntProperty(DimensionValue.VALUE_URI);
steve@0: 		dimValStmtIter = ontModel.listStatements(subject, dimValProperty, (RDFNode)null);
steve@0: 		
steve@0: 		Vector<DimensionValue> dimValsList = new Vector<DimensionValue>();
steve@0: 		StmtIterator dimValDimensionStmtIter;
steve@0: 		StmtIterator dimValValueStmtIter;
steve@0: 
steve@0: 		while (dimValStmtIter.hasNext())
steve@0: 		{
stevenh@12: 			Statement dimValStmt = dimValStmtIter.next();			
steve@0: 			Resource dimValResource = dimValStmt.getResource();
steve@0: 			
steve@0: 			dimValDimensionStmtIter = ontModel.listStatements(dimValResource, dimensionProperty, (RDFNode)null);
steve@0: 			dimValValueStmtIter = ontModel.listStatements(dimValResource, valueProperty, (RDFNode)null);
steve@0: 			dimVal = new DimensionValue();
stevenh@66: 			dimVal.setResource(dimValResource);
steve@0: 
stevenh@39: 			// There should only be one statment here - if not, application behaviour is undefined
stevenh@39: 			while (dimValDimensionStmtIter.hasNext())
stevenh@39: 			{
stevenh@39: 				Statement dimValDimensionStmt = dimValDimensionStmtIter.next();
stevenh@39: 				Literal dimension = dimValDimensionStmt.getLiteral();
stevenh@39: 				dimVal.setDimension(dimension.getInt());
stevenh@39: 			}
steve@0: 
stevenh@39: 			// There should only be one statment here - if not, application behaviour is undefined
stevenh@39: 			while (dimValValueStmtIter.hasNext())
stevenh@39: 			{
stevenh@39: 				Statement dimValValueStmt = dimValValueStmtIter.next();	
stevenh@39: 				Literal value = dimValValueStmt.getLiteral();
stevenh@39: 				dimVal.setValue(value.getDouble());
stevenh@39: 			}
steve@0: 			
stevenh@12: 			dimValsList.add(dimVal);			
steve@0: 		}
steve@0: 		return dimValsList;
steve@0: 	}
steve@0: 
steve@0: }