/******************************************************************************

  * MetaSetChangeAuditor - Listen for changes to sets in case a MetaSet has changed.

  * 

  * PicMan - The BuckoSoft Picture Manager in Java

  * Copyright(c) 2011 - Dick Balaska

  * 

  */

 package com.buckosoft.PicMan.business;

 import java.util.List;

 import org.apache.commons.logging.Log;

 import org.apache.commons.logging.LogFactory;

 import com.buckosoft.PicMan.domain.MetaSet;

 import com.buckosoft.PicMan.domain.MetaSetRule;

 import com.buckosoft.PicMan.domain.Set;

 import com.buckosoft.PicMan.domain.SetSize;

 /** Listen for changes to sets in case a MetaSet has changed.

  * @author Dick Balaska

  * @since 2011/12/30

  * @version $Revision: 1.1 $ <br> $Date: 2013/12/26 01:26:08 $

  * @see <a href="http://cvs.buckosoft.com/Projects/java/PicMan/PicMan/src/com/buckosoft/PicMan/business/MetaSetChangeAuditor.java">MetaSetChangeAuditor.java</a>

  */

 public class MetaSetChangeAuditor implements SetChangedListener {

         protected final Log logger = LogFactory.getLog(getClass());

         private        PicManFacade        pmf;

         /** Set the reference to the PicMan API.

          * @param pmf The PicManFacade

          */

         public        void setPicMan(PicManFacade pmf) {

                 this.pmf = pmf;

                 this.pmf.addSetChangedListener(this);

         }

         /** If a set has changed, perhaps any MetaSets that reference this set have also changed.

          * @param ss The SetSize that is changing.

          */

         @Override

         public void onSetChanged(SetSize ss) {

                 List<Set> list = this.pmf.getDB().getSets();

                 for (Set set : list) {

                         if (set.isMetaSet()) {

                                 MetaSet ms = pmf.getDB().getMetaSet(set.getSid());

                                 for (MetaSetRule msr : ms.getRules()) {

                                         if (msr.getType() == MetaSet.NAME) {

                                                 if (msr.getValue().equals(ss.getSetName())) {

                                                         logger.info("MetaSet changed: " + set.getName());

                                                         SetSize mss = new SetSize(set.getName(), ss.getSize());

                                                         pmf.fireSetSizeChanged(mss);

                                                         break;

                                                 }

                                         }

                                 }

                         }

                 }

         }

 }