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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.Iterator;
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import java.util.List;
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import java.util.Set;
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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.api.service.config.DeleteConfiguratorBase;
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import eu.etaxonomy.cdm.api.service.exception.ReferencedObjectUndeletableException;
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import eu.etaxonomy.cdm.api.service.pager.Pager;
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import eu.etaxonomy.cdm.api.service.pager.impl.AbstractPagerImpl;
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import eu.etaxonomy.cdm.api.service.pager.impl.DefaultPagerImpl;
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import eu.etaxonomy.cdm.common.monitor.IProgressMonitor;
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import eu.etaxonomy.cdm.hibernate.HibernateProxyHelper;
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import eu.etaxonomy.cdm.model.common.CdmBase;
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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.model.taxon.TaxonBase;
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import eu.etaxonomy.cdm.persistence.dao.description.IIdentificationKeyDao;
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import eu.etaxonomy.cdm.persistence.dao.description.IPolytomousKeyDao;
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import eu.etaxonomy.cdm.strategy.cache.common.IIdentifiableEntityCacheStrategy;
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@Service
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@Transactional(readOnly = false)
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public class PolytomousKeyServiceImpl extends IdentifiableServiceBase<PolytomousKey, IPolytomousKeyDao> implements IPolytomousKeyService {
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private IIdentificationKeyDao identificationKeyDao;
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@Autowired
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private IPolytomousKeyNodeService nodeService;
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@Override
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@Autowired
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protected void setDao(IPolytomousKeyDao dao) {
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this.dao = dao;
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}
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@Autowired
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protected void setDao(IIdentificationKeyDao identificationKeyDao) {
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this.identificationKeyDao = identificationKeyDao;
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}
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@Override
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public UpdateResult updateCaches(Class<? extends PolytomousKey> clazz, Integer stepSize, IIdentifiableEntityCacheStrategy<PolytomousKey> cacheStrategy, IProgressMonitor monitor) {
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if (clazz == null){
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clazz = PolytomousKey.class;
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}
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return super.updateCachesImpl(clazz, stepSize, cacheStrategy, monitor);
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}
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@Override
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public PolytomousKey loadWithNodes(UUID uuid, List<String> propertyPaths, List<String> nodePaths) {
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if(nodePaths == null){
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nodePaths = new ArrayList<String>();
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}
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nodePaths.add("children");
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List<String> rootPaths = new ArrayList<String>();
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rootPaths.add("root");
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for(String path : nodePaths) {
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rootPaths.add("root." + path);
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}
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if(propertyPaths != null) {
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rootPaths.addAll(propertyPaths);
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}
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PolytomousKey polytomousKey = load(uuid, rootPaths);
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dao.loadNodes(polytomousKey.getRoot(),nodePaths);
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return polytomousKey;
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}
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/**
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* Returns the polytomous key specified by the given <code>uuid</code>.
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*
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* @see eu.etaxonomy.cdm.api.service.ServiceBase#load(java.util.UUID, java.util.List)
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*/
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@Override
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public PolytomousKey load(UUID uuid, List<String> propertyPaths) {
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return super.load(uuid, propertyPaths);
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}
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@Override
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public Pager<PolytomousKey> findByTaxonomicScope(
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TaxonBase taxon, Integer pageSize,
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Integer pageNumber, List<String> propertyPaths, List<String> nodePaths) {
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List<PolytomousKey> list = new ArrayList<PolytomousKey>();
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Long numberOfResults = identificationKeyDao.countByTaxonomicScope(taxon.getUuid(), PolytomousKey.class);
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if(AbstractPagerImpl.hasResultsInRange(numberOfResults, pageNumber, pageSize)){
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list = identificationKeyDao.findByTaxonomicScope(taxon.getUuid(), PolytomousKey.class, pageSize, pageNumber, propertyPaths);
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}
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if (nodePaths != null) {
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for (PolytomousKey polytomousKey : list) {
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dao.loadNodes(polytomousKey.getRoot(), nodePaths);
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}
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}
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Pager<PolytomousKey> pager = new DefaultPagerImpl<PolytomousKey>(pageNumber, numberOfResults, pageSize, list);
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return pager;
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}
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@Override
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public UpdateResult updateAllNodeNumberings(UUID polytomousKeyUuid) {
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UpdateResult result = new UpdateResult();
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PolytomousKey polytomousKey = dao.load(polytomousKeyUuid);
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polytomousKey.getRoot().refreshNodeNumbering();
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return result;
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}
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@Override
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public UpdateResult updateAllNodeNumberings() {
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UpdateResult result = new UpdateResult();
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List<PolytomousKey> polytomousKeys = dao.list();
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for(PolytomousKey polytomousKey : polytomousKeys) {
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polytomousKey.getRoot().refreshNodeNumbering();
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}
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return result;
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}
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@Override
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public DeleteResult delete(PolytomousKey key){
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//DeleteResult result = new DeleteResult();
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PolytomousKeyNode root = key.getRoot();
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DeleteResult result = isDeletable(key.getUuid(), null);
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DeleteResult resultRoot = new DeleteResult();
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if (result.isOk()){
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try{
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if (root != null){
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// root.setKey(null);
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resultRoot = nodeService.delete(root.getUuid(), true);
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}
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}catch(Exception e){
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result.addException(e);
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result.setAbort();
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return result;
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}
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try{
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if (resultRoot.isOk()){
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dao.delete(key);
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result.addDeletedObject(key);
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result.includeResult(resultRoot);
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}
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}catch(Exception e){
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result.addException(e);
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result.setAbort();
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return result;
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}
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}
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return result;
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}
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@Override
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public DeleteResult isDeletable(UUID keyUuid, DeleteConfiguratorBase config){
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DeleteResult result = new DeleteResult();
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PolytomousKey key = this.load(keyUuid);
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Set<CdmBase> references = commonService.getReferencingObjectsForDeletion(key);
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if (references != null){
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Iterator<CdmBase> iterator = references.iterator();
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CdmBase ref;
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while (iterator.hasNext()){
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ref = iterator.next();
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if ((ref instanceof PolytomousKeyNode) ){
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PolytomousKeyNode node = HibernateProxyHelper.deproxy(ref, PolytomousKeyNode.class);
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if (!node.getKey().equals(key)){
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String message = "The key is a subkey of " + node.getKey() + ", referenced in node with id: " + node.getId() + ". Please remove the subkey reference first and then delete the key. " ;
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result.addException(new ReferencedObjectUndeletableException(message));
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result.setAbort();
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result.addRelatedObject(ref);
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}
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}
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}
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}
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return result;
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}
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}
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