/******************************************************************************
    * 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;
  						}
  					}
  				}
  			}
  		}
  	}
  
  }