taxeditor-navigation/src/main/java/eu/etaxonomy/taxeditor/navigation/navigator/TaxonNavigatorDataChangeBehavior.java

   1 /**
   2 * Copyright (C) 2007 EDIT
   3 * European Distributed Institute of Taxonomy
   4 * http://www.e-taxonomy.eu
   5 *
   6 * The contents of this file are subject to the Mozilla Public License Version 1.1
   7 * See LICENSE.TXT at the top of this package for the full license terms.
   8 */
   9
  10 package eu.etaxonomy.taxeditor.navigation.navigator;
  11
  12 import org.apache.log4j.Logger;
  13
  14 import eu.etaxonomy.cdm.persistence.hibernate.CdmDataChangeMap;
  15 import eu.etaxonomy.cdm.persistence.hibernate.CdmDataChangeEvent.EventType;
  16 import eu.etaxonomy.taxeditor.store.model.AbstractDataChangeBehaviour;
  17 import eu.etaxonomy.taxeditor.store.model.IDataChangeBehavior;
  18
  19 /**
  20  * @author n.hoffmann
  21  * @created 01.04.2009
  22  * @version 1.0
  23  */
  24 public class TaxonNavigatorDataChangeBehavior extends AbstractDataChangeBehaviour implements
  25                 IDataChangeBehavior {
  26         private static final Logger logger = Logger
  27                         .getLogger(TaxonNavigatorDataChangeBehavior.class);
  28
  29         private TaxonNavigator source;
  30
  31         public TaxonNavigatorDataChangeBehavior(TaxonNavigator taxonNavigator) {
  32                 source = taxonNavigator;
  33         }
  34
  35
  36         /* (non-Javadoc)
  37          * @see eu.etaxonomy.taxeditor.store.model.IDataChangeBehavior#isRelevant(java.lang.Object, eu.etaxonomy.cdm.persistence.hibernate.CdmCrudEvent)
  38          */
  39         public boolean isRelevant(CdmDataChangeMap events) {
  40                 // react on everything except load
  41                 if(events.sizeByEventType(EventType.INSERT) > 0){
  42                         return true;
  43                 }else if(events.sizeByEventType(EventType.UPDATE) > 0){
  44                         return true;
  45                 }else if(events.sizeByEventType(EventType.DELETE) > 0){
  46                         return true;
  47                 }else{
  48                         return false;
  49                 }
  50         }
  51
  52
  53         /* (non-Javadoc)
  54          * @see eu.etaxonomy.taxeditor.store.model.IDataChangeBehavior#reactOnDataChange(java.lang.Object, eu.etaxonomy.cdm.persistence.hibernate.CdmCrudEvent)
  55          */
  56         public void reactOnDataChange(CdmDataChangeMap events) {
  57
  58
  59                 if(isRelevant(events)){
  60
  61                         source.getCommonViewer().refresh();
  62
  63                         logger.info("DataStore update caused a refresh of the taxonomic tree");
  64
  65                 }
  66         }
  67 }