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