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/**
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* Copyright (C) 2007 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.persistence.dao.hibernate.common;
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import java.util.ArrayList;
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import java.util.Collection;
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import java.util.HashMap;
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import java.util.HashSet;
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import java.util.List;
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import java.util.Map;
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import java.util.Set;
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import java.util.UUID;
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import org.hibernate.Criteria;
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import org.hibernate.Query;
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import org.hibernate.Session;
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import org.hibernate.criterion.Restrictions;
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import org.hibernate.envers.query.AuditEntity;
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import org.hibernate.envers.query.AuditQuery;
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import org.springframework.stereotype.Repository;
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import eu.etaxonomy.cdm.model.common.DefinedTermBase;
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import eu.etaxonomy.cdm.model.common.OrderedTermVocabulary;
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import eu.etaxonomy.cdm.model.common.Representation;
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import eu.etaxonomy.cdm.model.common.TermType;
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import eu.etaxonomy.cdm.model.common.TermVocabulary;
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import eu.etaxonomy.cdm.model.view.AuditEvent;
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import eu.etaxonomy.cdm.persistence.dao.common.ITermVocabularyDao;
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import eu.etaxonomy.cdm.persistence.dto.TermDto;
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import eu.etaxonomy.cdm.persistence.dto.TermVocabularyDto;
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import eu.etaxonomy.cdm.persistence.dto.UuidAndTitleCache;
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import eu.etaxonomy.cdm.persistence.query.OrderHint;
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/**
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* @author a.mueller
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*
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*/
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@Repository
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public class TermVocabularyDaoImpl extends IdentifiableDaoBase<TermVocabulary> implements
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ITermVocabularyDao {
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/**
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* @param type
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*/
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public TermVocabularyDaoImpl() {
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super(TermVocabulary.class);
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indexedClasses = new Class[2];
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indexedClasses[0] = TermVocabulary.class;
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indexedClasses[1] = OrderedTermVocabulary.class;
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}
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@Override
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public long countTerms(TermVocabulary termVocabulary) {
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AuditEvent auditEvent = getAuditEventFromContext();
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if(auditEvent.equals(AuditEvent.CURRENT_VIEW)) {
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Query query = getSession().createQuery("select count(term) from DefinedTermBase term where term.vocabulary = :vocabulary");
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query.setParameter("vocabulary", termVocabulary);
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return (Long)query.uniqueResult();
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} else {
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AuditQuery query = makeAuditQuery(null, auditEvent);
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query.addProjection(AuditEntity.id().count());
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query.add(AuditEntity.relatedId("vocabulary").eq(termVocabulary.getId()));
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return (Long)query.getSingleResult();
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}
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}
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@Override
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public <T extends DefinedTermBase> List<T> getTerms(TermVocabulary<T> vocabulary,Integer pageSize, Integer pageNumber, List<OrderHint> orderHints,List<String> propertyPaths) {
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AuditEvent auditEvent = getAuditEventFromContext();
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if(auditEvent.equals(AuditEvent.CURRENT_VIEW)) {
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Criteria criteria = getCriteria(DefinedTermBase.class);
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criteria.createCriteria("vocabulary").add(Restrictions.idEq(vocabulary.getId()));
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addPageSizeAndNumber(criteria, pageSize, pageNumber);
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this.addOrder(criteria, orderHints);
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@SuppressWarnings("unchecked")
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List<T> result = criteria.list();
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defaultBeanInitializer.initializeAll(result, propertyPaths);
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return result;
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} else {
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AuditQuery query = makeAuditQuery(null, auditEvent);
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query.add(AuditEntity.relatedId("vocabulary").eq(vocabulary.getId()));
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addPageSizeAndNumber(query, pageSize, pageNumber);
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@SuppressWarnings("unchecked")
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List<T> result = query.getResultList();
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defaultBeanInitializer.initializeAll(result, propertyPaths);
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return result;
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}
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}
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@Override
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public <T extends DefinedTermBase> TermVocabulary<T> findByUri(String termSourceUri, Class<T> clazz) {
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AuditEvent auditEvent = getAuditEventFromContext();
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if(auditEvent.equals(AuditEvent.CURRENT_VIEW)) {
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//TODO use clazz
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Query query = getSession().createQuery("select vocabulary from TermVocabulary vocabulary where vocabulary.termSourceUri= :termSourceUri");
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query.setParameter("termSourceUri", termSourceUri);
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@SuppressWarnings("unchecked")
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TermVocabulary<T> result = (TermVocabulary<T>)query.uniqueResult();
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return result;
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} else {
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@SuppressWarnings("unchecked")
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AuditQuery query = makeAuditQuery(clazz, auditEvent);
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query.add(AuditEntity.property("termSourceUri").eq(termSourceUri));
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@SuppressWarnings("unchecked")
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TermVocabulary<T> result = (TermVocabulary<T>)query.getSingleResult();
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return result;
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}
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}
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@Override
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public <T extends DefinedTermBase> List<T> getTerms(TermVocabulary<T> termVocabulary, Integer pageSize, Integer pageNumber) {
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return getTerms(termVocabulary, pageSize, pageNumber, null, null);
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}
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@Override
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public <T extends DefinedTermBase> List<TermVocabulary<T>> findByTermType(TermType termType, List<String> propertyPaths) {
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Criteria criteria = getSession().createCriteria(type);
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criteria.add(Restrictions.eq("termType", termType));
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criteria.setResultTransformer(Criteria.DISTINCT_ROOT_ENTITY);
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//this.addOrder(criteria, orderHints);
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@SuppressWarnings("unchecked")
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List<TermVocabulary<T>> result = criteria.list();
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defaultBeanInitializer.initializeAll(result, propertyPaths);
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return result;
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}
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@Override
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public List<TermVocabulary> listByTermType(TermType termType, boolean includeSubTypes, Integer limit, Integer start,List<OrderHint> orderHints, List<String> propertyPaths) {
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checkNotInPriorView("TermVocabularyDao.listByTermType(TermType termType, Integer limit, Integer start, List<OrderHint> orderHints, List<String> propertyPaths)");
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Set<TermType> allTermTypes = new HashSet<TermType>();
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allTermTypes.add(termType);
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if (includeSubTypes){
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allTermTypes.addAll(termType.getGeneralizationOf(true));
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}
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Criteria criteria = getSession().createCriteria(type);
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criteria.add(Restrictions.in("termType", allTermTypes));
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if(limit != null) {
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criteria.setMaxResults(limit);
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if(start != null) {
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criteria.setFirstResult(start);
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}
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}
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this.addOrder(criteria, orderHints);
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@SuppressWarnings("unchecked")
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List<TermVocabulary> result = criteria.list();
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defaultBeanInitializer.initializeAll(result, propertyPaths);
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return result;
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}
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@Override
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public void missingTermUuids(
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Map<UUID, Set<UUID>> uuidsRequested,
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Map<UUID, Set<UUID>> uuidMissingTermsRepsonse,
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Map<UUID, TermVocabulary<?>> vocabularyResponse){
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Set<UUID> missingTermCandidateUuids = new HashSet<>();
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for (Set<UUID> uuidsPerVocSet : uuidsRequested.values()){
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missingTermCandidateUuids.addAll(uuidsPerVocSet);
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}
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//search persisted subset of required (usually all)
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String hql = " SELECT terms.uuid " +
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" FROM TermVocabulary voc join voc.terms terms " +
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" WHERE terms.uuid IN (:uuids) " +
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" ORDER BY voc.uuid ";
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Query query = getSession().createQuery(hql);
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int splitSize = 2000;
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List<Collection<UUID>> missingTermCandidates = splitCollection(missingTermCandidateUuids, splitSize);
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List<UUID> persistedUuids = new ArrayList<>();
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for (Collection<UUID> uuids : missingTermCandidates){
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query.setParameterList("uuids", uuids);
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@SuppressWarnings("unchecked")
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List<UUID> list = query.list();
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persistedUuids.addAll(list);
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}
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//fully load and initialize vocabularies if required
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if (vocabularyResponse != null){
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String hql2 = " SELECT DISTINCT voc " +
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" FROM TermVocabulary voc " +
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" LEFT JOIN FETCH voc.terms terms " +
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" LEFT JOIN FETCH terms.representations representations " +
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" LEFT JOIN FETCH voc.representations vocReps " +
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" WHERE terms.uuid IN (:termUuids) OR ( voc.uuid IN (:vocUuids) ) " + //was: AND voc.terms is empty, but did not load originally empty vocabularies with user defined terms added
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// " WHERE voc.uuid IN (:vocUuids) AND voc.terms is empty " +
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" ORDER BY voc.uuid ";
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query = getSession().createQuery(hql2);
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query.setParameterList("termUuids", missingTermCandidateUuids);
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query.setParameterList("vocUuids", uuidsRequested.keySet());
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for (Collection<UUID> uuids : missingTermCandidates){
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query.setParameterList("termUuids", uuids);
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@SuppressWarnings("unchecked")
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List<TermVocabulary<?>> o = query.list();
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for (TermVocabulary<?> voc : o){
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vocabularyResponse.put(voc.getUuid(), voc);
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}
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}
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}
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//compute missing terms
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if (missingTermCandidateUuids.size() == persistedUuids.size()){
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missingTermCandidateUuids.clear();
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}else{
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missingTermCandidateUuids.removeAll(persistedUuids);
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//add missing terms to response
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for (UUID vocUUID : uuidsRequested.keySet()){
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for (UUID termUuid : uuidsRequested.get(vocUUID)){
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if (missingTermCandidateUuids.contains(termUuid)){
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Set<UUID> r = uuidMissingTermsRepsonse.get(vocUUID);
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if (r == null){
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r = new HashSet<>();
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uuidMissingTermsRepsonse.put(vocUUID, r);
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}
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r.add(termUuid);
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}
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}
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}
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}
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return;
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}
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@Override
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public Collection<TermDto> getTopLevelTerms(UUID vocabularyUuid) {
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String queryString = TermDto.getTermDtoSelect()
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+ "where v.uuid = :vocabularyUuid "
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+ "and a.partOf is null "
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+ "and a.kindOf is null";
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Query query = getSession().createQuery(queryString);
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query.setParameter("vocabularyUuid", vocabularyUuid);
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@SuppressWarnings("unchecked")
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List<Object[]> result = query.list();
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List<TermDto> list = TermDto.termDtoListFrom(result);
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return list;
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}
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@Override
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public List<TermVocabularyDto> findVocabularyDtoByTermType(TermType termType) {
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String queryString = ""
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+ "select v.uuid, r "
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+ "from TermVocabulary as v LEFT JOIN v.representations AS r "
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+ "where v.termType = :termType "
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;
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Query query = getSession().createQuery(queryString);
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query.setParameter("termType", termType);
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@SuppressWarnings("unchecked")
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List<Object[]> result = query.list();
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Map<UUID, TermVocabularyDto> dtoMap = new HashMap<>(result.size());
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for (Object[] elements : result) {
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UUID uuid = (UUID)elements[0];
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if(dtoMap.containsKey(uuid)){
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dtoMap.get(uuid).addRepresentation((Representation)elements[1]);
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} else {
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Set<Representation> representations = new HashSet<>();
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if(elements[1] instanceof Representation) {
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representations = new HashSet<Representation>(1);
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representations.add((Representation)elements[1]);
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} else {
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representations = (Set<Representation>)elements[1];
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}
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dtoMap.put(uuid, new TermVocabularyDto(uuid, representations));
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}
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}
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return new ArrayList<>(dtoMap.values());
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}
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@Override
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public <S extends TermVocabulary> List<UuidAndTitleCache<S>> getUuidAndTitleCache(Class<S> clazz, TermType termType,
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Integer limit, String pattern) {
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if(termType==null){
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return getUuidAndTitleCache(clazz, limit, pattern);
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}
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Session session = getSession();
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Query query = null;
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if (pattern != null){
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query = session.createQuery(
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" SELECT uuid, id, titleCache "
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+ " FROM " + clazz.getSimpleName()
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+ " WHERE titleCache LIKE :pattern "
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+ " AND termType = :termType");
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pattern = pattern.replace("*", "%");
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pattern = pattern.replace("?", "_");
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pattern = pattern + "%";
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query.setParameter("pattern", pattern);
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} else {
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query = session.createQuery(
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" SELECT uuid, id, titleCache "
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+ " FROM " + clazz.getSimpleName()
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+ " WHERE termType = :termType");
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}
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query.setParameter("termType", termType);
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if (limit != null){
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query.setMaxResults(limit);
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}
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return getUuidAndTitleCache(query);
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}
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}
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