/*

  * This software is licensed under the Apache License, Version 2.0

  * (the "License") agreement; you may not use this file except in compliance with

  * the License.  You may obtain a copy of the License at

  * 

  *      http://www.apache.org/licenses/LICENSE-2.0

  * 

  * 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 net.admin4j.hotspot;

 import java.util.List;

 import java.util.Map;

 import net.admin4j.deps.commons.lang3.Validate;

 import net.admin4j.entity.ExecutionPoint;

 /**

  * General utilities needed for the HotSpot display. 

  * @author D. Ashmore

  *

  */

 public class HotSpotUtils {

     private Map<StackTraceElement, ExecutionPoint> executionMap;

     public HotSpotUtils(Map<StackTraceElement, ExecutionPoint> executionMap) {

         Validate.notNull(executionMap, "Null executionMap not allowed.");

         this.executionMap = executionMap;

     }

     public double computeExecutionPct(List<ExecutionPoint> pointList, ExecutionPoint point) {

         long total = 0;

         for (ExecutionPoint p: pointList) {

             total += p.getNbrExecutions();

         }

         return ((double)point.getNbrExecutions() / (double)total) * (double)100.000;

     }

     public ExecutionPoint findExecutionPoint(StackTraceElement element) {

         return this.executionMap.get(element);

     }

 }