view src/org/qmul/eecs/c4dm/sia/model/VectorTableElement.java @ 28:8901059f8144

organized imports

use the new "Namespaces" class when creating String RESOURCE_URI

added throws DimensionException where necessary

added private NDimensionalObject vector, together with getter and setter

package org.qmul.eecs.c4dm.sia.model;

import java.util.Vector;

import org.qmul.eecs.c4dm.sia.exceptions.DimensionException;
import org.qmul.eecs.c4dm.sia.rdf.Namespaces;

import com.hp.hpl.jena.rdf.model.Resource;

/**
 * @author stevenhargreaves
 *
 */
public class VectorTableElement extends NDimensionalObject {
	
	private Datapoint fromDatapoint;
	private Datapoint toDatapoint;
	private NDimensionalObject vector;
	private Resource resource;
	
	public static final String RESOURCE_URI = Namespaces.SIA_NS_URI + "VectorTableElement";

	/**
	 * @return
	 */
	public Resource getResource() {
		return resource;
	}

	/**
	 * @param resource
	 */
	public void setResource(Resource resource) {
		this.resource = resource;
	}

	/**
	 * @return
	 */
	public Datapoint getFromDatapoint() {
		return fromDatapoint;
	}

	/**
	 * @param fromDatapoint
	 * @throws DimensionException 
	 */
	public void setFromDatapoint(Datapoint fromDatapoint) throws DimensionException {
		this.fromDatapoint = fromDatapoint;
		setVector();
	}

	/**
	 * @return
	 */
	public Datapoint getToDatapoint() {
		return toDatapoint;
	}

	/**
	 * @param toDatapoint
	 * @throws DimensionException 
	 */
	public void setToDatapoint(Datapoint toDatapoint) throws DimensionException {
		this.toDatapoint = toDatapoint;
		setVector();
	}

	/**
	 * @throws DimensionException
	 */
	private void setVector() throws DimensionException {
		NDimensionalObject vector = new NDimensionalObject();
		Vector<DimensionValue> dimVals = new Vector<DimensionValue>();
		
		if (this.getFromDatapoint() != null && this.getToDatapoint() != null)
		{
			int fromDimValsSize = this.getFromDatapoint().getDimensionValues().size();
			int toDimValsSize = this.getToDatapoint().getDimensionValues().size();

			if (fromDimValsSize != toDimValsSize)
				throw new DimensionException("'from' and 'to' Datapoints have an unequal number of dimensions");
			
			DimensionValue dimVal;
			
			for (int dim = 1; dim <= fromDimValsSize; dim++)
			{
				dimVal = new DimensionValue();
				double fromDimVal = this.getFromDatapoint().getDimensionValue(dim);
				double toDimVal = this.getToDatapoint().getDimensionValue(dim);
				dimVal.setDimension(dim);
				dimVal.setValue(toDimVal - fromDimVal);
				dimVals.add(dimVal);
			}
			vector.setDimensionValues(dimVals);
			this.vector = vector;
		}
	}

	public NDimensionalObject getVector() {

		return this.vector;
	}

	/* (non-Javadoc)
	 * @see java.lang.Comparable#compareTo(java.lang.Object)
	 */
	@Override
	public int compareTo(Object o2) {
		
		int compareResult = super.compareTo(o2);
		
		if (compareResult == 0)
		{
			VectorTableElement vte2 = (VectorTableElement)o2;
		
			if (this.getFromDatapoint().getOrderedIndex() < vte2.getFromDatapoint().getOrderedIndex())
			{
				return -1;
			}
			else if (this.getFromDatapoint().getOrderedIndex() > vte2.getFromDatapoint().getOrderedIndex())
			{
				return 1;
			}
			else
			{
				return 0;
			}
		}
		return compareResult;
	}

	public int compareToIgnoreDatapoints(Object o2) {
		
		int compareResult = super.compareTo(o2);
		return compareResult;
	}
}