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

   1 // $Id$
   2 /**
   3 * Copyright (C) 2009 EDIT
   4 * European Distributed Institute of Taxonomy
   5 * http://www.e-taxonomy.eu
   6 *
   7 * The contents of this file are subject to the Mozilla Public License Version 1.1
   8 * See LICENSE.TXT at the top of this package for the full license terms.
   9 */
  10 package eu.etaxonomy.cdm.api.service;
  11
  12 import java.util.ArrayList;
  13 import java.util.List;
  14 import java.util.UUID;
  15
  16 import org.springframework.beans.factory.annotation.Autowired;
  17 import org.springframework.stereotype.Service;
  18 import org.springframework.transaction.annotation.Transactional;
  19
  20 import eu.etaxonomy.cdm.hibernate.HibernateProxyHelper;
  21 import eu.etaxonomy.cdm.model.description.PolytomousKeyNode;
  22 import eu.etaxonomy.cdm.persistence.dao.description.IPolytomousKeyNodeDao;
  23
  24 /**
  25  * @author a.kohlbecker
  26  * @date 24.03.2011
  27  *
  28  */
  29 @Service
  30 @Transactional(readOnly = false)
  31 public class PolytomousKeyNodeServiceImpl  extends VersionableServiceBase<PolytomousKeyNode, IPolytomousKeyNodeDao> implements IPolytomousKeyNodeService {
  32
  33
  34         @Override
  35     @Autowired
  36         protected void setDao(IPolytomousKeyNodeDao dao) {
  37                 this.dao = dao;
  38         }
  39
  40         @Override
  41         public DeleteResult delete(UUID nodeUUID, boolean deleteChildren){
  42         DeleteResult result = new DeleteResult();
  43         PolytomousKeyNode node = dao.findByUuid(nodeUUID);
  44         node = (PolytomousKeyNode)HibernateProxyHelper.deproxy(node);
  45         if(node == null) {
  46             return null;
  47         }
  48         List<PolytomousKeyNode> children = new ArrayList<PolytomousKeyNode>();
  49         for (PolytomousKeyNode child: node.getChildren()){
  50             children.add(child);
  51         }
  52         PolytomousKeyNode parent = node.getParent();
  53         parent = HibernateProxyHelper.deproxy(parent, PolytomousKeyNode.class);
  54
  55         if(!deleteChildren){
  56
  57             for (PolytomousKeyNode child: children){
  58                 if (!child.equals(node)){
  59                     parent.addChild(child);
  60                     dao.update(child);
  61                     result.addUpdatedObject(child);
  62                 }
  63
  64             }
  65
  66
  67             dao.update(node);
  68             result.addUpdatedObject(node);
  69         }
  70         if (parent!= null){
  71             parent.removeChild(node);
  72             dao.update(parent);
  73         }
  74         if (node.getKey().getRoot().equals(node)){
  75             node.getKey().setRoot(null);
  76         }
  77         if (node.getTaxon() != null){
  78             node.removeTaxon();
  79         }
  80         if (dao.delete(node) == null){
  81             result.setAbort();
  82         }
  83         dao.saveOrUpdate(parent);
  84         result.addUpdatedObject(parent);
  85         return result;
  86
  87     }
  88
  89 }