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.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.HibernateProxyHelper;
  20 import eu.etaxonomy.cdm.model.description.PolytomousKeyNode;
  21 import eu.etaxonomy.cdm.persistence.dao.description.IPolytomousKeyNodeDao;
  22
  23 /**
  24  * @author a.kohlbecker
  25  * @date 24.03.2011
  26  *
  27  */
  28 @Service
  29 @Transactional(readOnly = false)
  30 public class PolytomousKeyNodeServiceImpl  extends VersionableServiceBase<PolytomousKeyNode, IPolytomousKeyNodeDao> implements IPolytomousKeyNodeService {
  31
  32
  33         @Override
  34     @Autowired
  35         protected void setDao(IPolytomousKeyNodeDao dao) {
  36                 this.dao = dao;
  37         }
  38
  39         @Override
  40         public DeleteResult delete(UUID nodeUUID, boolean deleteChildren){
  41                 DeleteResult result = new DeleteResult();
  42                 PolytomousKeyNode node = dao.findByUuid(nodeUUID);
  43                 node = (PolytomousKeyNode)HibernateProxyHelper.deproxy(node);
  44                 List<PolytomousKeyNode> children = node.getChildren();
  45                 PolytomousKeyNode parent = node.getParent();
  46                 parent = HibernateProxyHelper.deproxy(parent, PolytomousKeyNode.class);
  47
  48                 if(!deleteChildren){
  49
  50                         for (PolytomousKeyNode child: children){
  51                                 parent.addChild(child);
  52                                 parent.removeChild(node);
  53                                 dao.update(child);
  54                                 result.addUpdatedObject(child);
  55                         }
  56
  57                         dao.update(node);
  58                         result.addUpdatedObject(node);
  59                 }
  60                 if (node.getParent()!= null){
  61                         node.getParent().removeChild(node);
  62                 }
  63                 if (node.getKey().getRoot().equals(node)){
  64                         node.getKey().setRoot(null);
  65                 }
  66                 if (dao.delete(node) == null){
  67                         result.setAbort();
  68                 }
  69                 dao.saveOrUpdate(parent);
  70                 result.addUpdatedObject(parent);
  71                 return result;
  72
  73         }
  74
  75 }