cdmlib-services/src/main/java/eu/etaxonomy/cdm/api/service/PolytomousKeyNodeServiceImpl.java

   1 /**
   2 * Copyright (C) 2009 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 package eu.etaxonomy.cdm.api.service;
  10
  11 import java.util.ArrayList;
  12 import java.util.List;
  13 import java.util.UUID;
  14
  15 import org.springframework.beans.factory.annotation.Autowired;
  16 import org.springframework.stereotype.Service;
  17 import org.springframework.transaction.annotation.Transactional;
  18
  19 import eu.etaxonomy.cdm.hibernate.HHH_9751_Util;
  20 import eu.etaxonomy.cdm.hibernate.HibernateProxyHelper;
  21 import eu.etaxonomy.cdm.model.description.PolytomousKey;
  22 import eu.etaxonomy.cdm.model.description.PolytomousKeyNode;
  23 import eu.etaxonomy.cdm.persistence.dao.description.IPolytomousKeyDao;
  24 import eu.etaxonomy.cdm.persistence.dao.description.IPolytomousKeyNodeDao;
  25
  26 /**
  27  * @author a.kohlbecker
  28  * @since 24.03.2011
  29  *
  30  */
  31 @Service
  32 @Transactional(readOnly = false)
  33 public class PolytomousKeyNodeServiceImpl  extends VersionableServiceBase<PolytomousKeyNode, IPolytomousKeyNodeDao> implements IPolytomousKeyNodeService {
  34
  35
  36         @Override
  37     @Autowired
  38         protected void setDao(IPolytomousKeyNodeDao dao) {
  39                 this.dao = dao;
  40         }
  41
  42         @Autowired
  43         protected IPolytomousKeyDao keyDao;
  44
  45         @Override
  46         public DeleteResult delete(UUID nodeUUID, boolean deleteChildren){
  47         DeleteResult result = new DeleteResult();
  48         PolytomousKeyNode node = dao.findByUuid(nodeUUID);
  49         node = HibernateProxyHelper.deproxy(node);
  50         if(node == null) {
  51            // result.addException(new Exception("The polytomouskey node was already deleted."));;
  52             return result;
  53         }
  54         List<PolytomousKeyNode> children = new ArrayList<PolytomousKeyNode>();
  55
  56         node.removeNullValueFromChildren();
  57         for (PolytomousKeyNode child: node.getChildren()){
  58             children.add(child);
  59         }
  60         PolytomousKeyNode parent = node.getParent();
  61         parent = HibernateProxyHelper.deproxy(parent, PolytomousKeyNode.class);
  62         PolytomousKey key = null;
  63         if (parent == null){
  64             key = node.getKey();
  65             key = HibernateProxyHelper.deproxy(key, PolytomousKey.class);
  66         }
  67
  68         if(!deleteChildren){
  69
  70             for (PolytomousKeyNode child: children){
  71                 if (!child.equals(node)){
  72                     parent.addChild(child);
  73                     dao.saveOrUpdate(child);
  74                     result.addUpdatedObject(child);
  75                 }
  76
  77             }
  78
  79
  80             dao.saveOrUpdate(node);
  81             result.addUpdatedObject(node);
  82         }
  83         if (parent!= null){
  84             if (parent.getChildren().contains(null)){
  85                 List<PolytomousKeyNode> parentChildren = parent.getChildren();
  86                 HHH_9751_Util.removeAllNull(parentChildren);
  87             }
  88             parent.removeChild(node);
  89             dao.saveOrUpdate(parent);
  90         }
  91         if (node.getKey() != null && key != null){
  92             key.setRoot(null);
  93         }
  94         if (node.getTaxon() != null){
  95             node.removeTaxon();
  96         }
  97         if (dao.delete(node) == null){
  98             result.setAbort();
  99         }else{
 100             result.addDeletedObject(node);
 101         }
 102         if (parent != null){
 103             dao.saveOrUpdate(parent);
 104             result.addUpdatedObject(parent);
 105         } else{
 106             keyDao.saveOrUpdate(key);
 107             result.addUpdatedObject(key);
 108         }
 109
 110         return result;
 111
 112     }
 113
 114 }