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/**
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* Copyright (C) 2009 EDIT
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* European Distributed Institute of Taxonomy
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* http://www.e-taxonomy.eu
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*
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* The contents of this file are subject to the Mozilla Public License Version 1.1
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* See LICENSE.TXT at the top of this package for the full license terms.
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*/
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package eu.etaxonomy.cdm.api.service;
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import java.util.ArrayList;
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import java.util.List;
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import java.util.UUID;
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import org.springframework.beans.factory.annotation.Autowired;
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import org.springframework.stereotype.Service;
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import org.springframework.transaction.annotation.Transactional;
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import eu.etaxonomy.cdm.hibernate.HHH_9751_Util;
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import eu.etaxonomy.cdm.hibernate.HibernateProxyHelper;
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import eu.etaxonomy.cdm.model.description.PolytomousKey;
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import eu.etaxonomy.cdm.model.description.PolytomousKeyNode;
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import eu.etaxonomy.cdm.persistence.dao.description.IPolytomousKeyDao;
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import eu.etaxonomy.cdm.persistence.dao.description.IPolytomousKeyNodeDao;
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/**
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* @author a.kohlbecker
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* @since 24.03.2011
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*
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*/
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@Service
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@Transactional(readOnly = false)
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public class PolytomousKeyNodeServiceImpl extends VersionableServiceBase<PolytomousKeyNode, IPolytomousKeyNodeDao> implements IPolytomousKeyNodeService {
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@Override
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@Autowired
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protected void setDao(IPolytomousKeyNodeDao dao) {
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this.dao = dao;
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}
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@Autowired
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protected IPolytomousKeyDao keyDao;
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@Override
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public DeleteResult delete(UUID nodeUUID, boolean deleteChildren){
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DeleteResult result = new DeleteResult();
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PolytomousKeyNode node = dao.findByUuid(nodeUUID);
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node = HibernateProxyHelper.deproxy(node);
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if(node == null) {
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// result.addException(new Exception("The polytomouskey node was already deleted."));;
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return result;
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}
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List<PolytomousKeyNode> children = new ArrayList<PolytomousKeyNode>();
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node.removeNullValueFromChildren();
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for (PolytomousKeyNode child: node.getChildren()){
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children.add(child);
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}
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PolytomousKeyNode parent = node.getParent();
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parent = HibernateProxyHelper.deproxy(parent, PolytomousKeyNode.class);
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PolytomousKey key = null;
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if (parent == null){
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key = node.getKey();
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key = HibernateProxyHelper.deproxy(key, PolytomousKey.class);
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}
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if(!deleteChildren){
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for (PolytomousKeyNode child: children){
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if (!child.equals(node)){
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parent.addChild(child);
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dao.saveOrUpdate(child);
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result.addUpdatedObject(child);
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}
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}
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dao.saveOrUpdate(node);
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result.addUpdatedObject(node);
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}
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if (parent!= null){
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if (parent.getChildren().contains(null)){
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List<PolytomousKeyNode> parentChildren = parent.getChildren();
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HHH_9751_Util.removeAllNull(parentChildren);
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}
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parent.removeChild(node);
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dao.saveOrUpdate(parent);
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}
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if (node.getKey() != null && key != null){
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key.setRoot(null);
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}
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if (node.getTaxon() != null){
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node.removeTaxon();
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}
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if (dao.delete(node) == null){
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result.setAbort();
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}else{
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result.addDeletedObject(node);
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}
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if (parent != null){
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dao.saveOrUpdate(parent);
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result.addUpdatedObject(parent);
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} else{
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keyDao.saveOrUpdate(key);
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result.addUpdatedObject(key);
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}
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return result;
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}
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}
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