package org.kuali.rice.krms.framework.engine;
   
   import java.util.ArrayList;
   import java.util.List;
   
   import org.kuali.rice.krms.api.engine.EngineResults;
   import org.kuali.rice.krms.api.engine.ResultEvent;
   
   public class EngineResultsImpl implements EngineResults {
  	private List<ResultEvent> results = new ArrayList<ResultEvent>();
  	
  	@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;
  	}
  }