package org.lcsim.recon.tracking.digitization.sisim.config;
   
   import java.util.Arrays;
   import java.util.HashSet;
   import java.util.List;
   
   import org.lcsim.event.EventHeader;
   import org.lcsim.geometry.Detector;
   import org.lcsim.geometry.compact.Subdetector;
  
  /**
   * This Driver clears the DetectorElement Readout
   * associated with a given collection in the event header.  
   * It accepts a list of collection names and ignores
   * others.
   * 
   * @author jeremym
   * @version $Id: ReadoutCleanupDriver.java,v 1.2 2012/04/25 14:27:00 jeremy Exp $
   */
  public class ReadoutCleanupDriver
  extends CollectionHandler
  {    
      public ReadoutCleanupDriver() 
      {}
      
      public ReadoutCleanupDriver(List<String> collectionNames) {
          super(collectionNames);
      }
      
      public ReadoutCleanupDriver(String[] collectionNames) {
          super(collectionNames);
      }
      
      public void setCollectionNames(String[] collectionNames) {
          this.collections = new HashSet<String>(Arrays.asList(collectionNames));
      }
      
      protected void process(EventHeader event)
      {        
          Detector detector = event.getDetector();
  
          for (Subdetector subdet : detector.getSubdetectors().values()) {
              if (subdet.getReadout() != null) {
                  if (canHandle(subdet.getReadout().getName())) {
                      if (subdet.getDetectorElement() != null) {
                          subdet.getDetectorElement().clearReadouts();
                      }
                  }
              }
          }        
      }     
  }