/**

  * Copyright 2005-2011 The Kuali Foundation

  *

  * Licensed under the Educational Community License, Version 2.0 (the "License");

  * you may not use this file except in compliance with the License.

  * You may obtain a copy of the License at

  *

  * http://www.opensource.org/licenses/ecl2.php

  *

  * Unless required by applicable law or agreed to in writing, software

  * distributed under the License is distributed on an "AS IS" BASIS,

  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.

  * See the License for the specific language governing permissions and

  * limitations under the License.

  */

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

 import java.util.ArrayList;

 import java.util.HashMap;

 import java.util.List;

 import java.util.Map;

 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>();

         private Map<String, Object> attributes = new HashMap<String, Object>();

         @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;

         }

         /**

          * @see org.kuali.rice.krms.api.engine.EngineResults#getAttribute(java.lang.String)

          */

         @Override

         public Object getAttribute(String key) {

             return attributes.get(key);

         }

         /**

          * @see org.kuali.rice.krms.api.engine.EngineResults#setAttribute(java.lang.String, java.lang.Object)

          */

         @Override

         public void setAttribute(String key, Object attr) {

             attributes.put(key, attr);

         }

 }