package org.kuali.rice.krms.framework.engine;

 import java.util.ArrayList;

 import java.util.List;

 import java.util.Map;

 import java.util.Set;

 import org.kuali.rice.krms.api.engine.EngineResults;

 import org.kuali.rice.krms.api.engine.ResultEvent;

 import org.kuali.rice.krms.api.engine.Term;

 public class EngineResultsImpl implements EngineResults {

         private List<ResultEvent> results = new ArrayList<ResultEvent>();

         private Map<Object, Set<Term>> termPropositionMap;

         @Override

         public void addResult(ResultEvent result) {

                 results.add(result);

         }

         @Override

         public List<ResultEvent> getAllResults() {                

                 return new ArrayList<ResultEvent>(results); // shallow copy should be defensive enough

         }

         @Override

         public ResultEvent getResultEvent(int index) {

                 // TODO Auto-generated method stub

                 return null;

         }

         @Override

         public List<ResultEvent> getResultsOfType(String type) {

                 // TODO Auto-generated method stub

                 ArrayList<ResultEvent> newList = new ArrayList<ResultEvent>();

                 if (type == null) return newList;

                 for (int i=0; i<results.size(); i++){

                         if (type.equalsIgnoreCase(results.get(i).getType())){

                                 newList.add(results.get(i));

                         }

                 }

                 return newList;

         }

 }