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

 import java.util.Collections;

 import java.util.EventObject;

 import java.util.Map;

 import org.joda.time.DateTime;

 import org.joda.time.format.DateTimeFormat;

 import org.joda.time.format.DateTimeFormatter;

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

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

 public class TimingResult extends EventObject implements ResultEvent {

         private static final long serialVersionUID = 5335636381355236617L;

     private static final DateTimeFormatter fmt = DateTimeFormat.forPattern("yyyy-MM-dd HH.mm.ss.SSS");

     private String type;

         private DateTime start;

         private DateTime end;

         private ExecutionEnvironment environment;

         private String description;

         private Map<String, ?> resultDetails;

         public TimingResult(String description, String type, Object source, ExecutionEnvironment environment, DateTime start, DateTime end){

                 super(source);

                 this.type = type;

                 this.environment = environment;

                 this.start = start;

                 this.end = end;

                 this.description = description;

         }

         public TimingResult(String type, Object source, ExecutionEnvironment environment, DateTime start, DateTime end){

                 super(source);

                 this.type = type;

                 this.environment = environment;

                 this.start = start;

                 this.end = end;

         }

         public Long getElapsedTimeInMilliseconds(){

                 return Long.valueOf(end.getMillis() - start.getMillis());

         }

         public ExecutionEnvironment getEnvironment(){

                 return environment;

         };

         public String toString(){

                 StringBuffer sb = new StringBuffer();

                 sb.append(fmt.print(end));

                 sb.append(" EventType: "+ type);

                 sb.append(" (Start = " + fmt.print(start));

                 sb.append(", End = " + fmt.print(end));

                 sb.append(",  Elapsed Time = "+ getElapsedTimeInMilliseconds().toString());

                 sb.append(" milliseconds.)");

                 return sb.toString();

         }

         @Override

         public Boolean getResult() {

                 return null;

         }

         @Override

         public DateTime getTimestamp() {

                 return end;

         }

         @Override

         public String getType() {

                 return type;

         }

         @Override

         public Map<String, ?> getResultDetails() {

             if (resultDetails == null) {

                 return Collections.emptyMap();

             } else {

                 return Collections.unmodifiableMap(resultDetails);

             }

         }

         @Override

         public String getDescription() {

                 return description;

         }

 }