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package org.gvsig.data.vectorial.order;

import java.util.Comparator;

import org.gvsig.data.vectorial.IFeature;

import org.gvsig.data.vectorial.IFeatureID;

import org.gvsig.data.vectorial.IFeatureType;

public class FeatureComparator implements Comparator {

	protected String expresionString;

	protected IFeatureType featureType;

	public FeatureComparator(IFeatureType featureType,String expresion){

		this.featureType=featureType;

		this.expresionString=expresion;

	}

	private IFeature toFeature(Object arg){

		if (arg instanceof IFeatureID){

			return ((IFeatureID)arg).getFeature(featureType);

		} else {

			return (IFeature)arg;

		}

	}

	public int compare(Object arg0, Object arg1) {

		IFeature feature0, feature1;

		feature0 = toFeature(arg0);

		feature1 = toFeature(arg1);

		// TODO Auto-generated method stub

		return 0;

	}

}