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// $Id$
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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.taxon;
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import java.math.BigInteger;
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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.apache.log4j.Logger;
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import org.hibernate.Criteria;
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import org.hibernate.Query;
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import org.hibernate.criterion.Projections;
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import org.hibernate.criterion.Restrictions;
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import org.springframework.beans.factory.annotation.Autowired;
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import org.springframework.beans.factory.annotation.Qualifier;
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import org.springframework.stereotype.Repository;
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import eu.etaxonomy.cdm.hibernate.HibernateProxyHelper;
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import eu.etaxonomy.cdm.model.taxon.Classification;
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import eu.etaxonomy.cdm.model.taxon.Taxon;
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import eu.etaxonomy.cdm.model.taxon.TaxonNode;
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import eu.etaxonomy.cdm.model.taxon.TaxonNodeAgentRelation;
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import eu.etaxonomy.cdm.persistence.dao.hibernate.common.AnnotatableDaoImpl;
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import eu.etaxonomy.cdm.persistence.dao.taxon.IClassificationDao;
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import eu.etaxonomy.cdm.persistence.dao.taxon.ITaxonDao;
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import eu.etaxonomy.cdm.persistence.dao.taxon.ITaxonNodeDao;
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/**
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* @author a.mueller
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* @created 16.06.2009
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*/
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@Repository
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@Qualifier("taxonNodeDaoHibernateImpl")
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public class TaxonNodeDaoHibernateImpl extends AnnotatableDaoImpl<TaxonNode>
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implements ITaxonNodeDao {
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@SuppressWarnings("unused")
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private static final Logger logger = Logger.getLogger(TaxonNodeDaoHibernateImpl.class);
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@Autowired
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private ITaxonDao taxonDao;
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@Autowired
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private IClassificationDao classificationDao;
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public TaxonNodeDaoHibernateImpl() {
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super(TaxonNode.class);
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}
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@Override
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public UUID delete(TaxonNode persistentObject, boolean deleteChildren){
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Taxon taxon = persistentObject.getTaxon();
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taxon = HibernateProxyHelper.deproxy(taxon, Taxon.class);
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/*Session session = this.getSession();
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Query query = session.createQuery("from TaxonNode t where t.taxon = :taxon");
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query.setParameter("taxon", taxon);
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List result = query.list();*/
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if (taxon != null){
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Set<TaxonNode> nodes = taxon.getTaxonNodes();
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if (nodes.size()==1){
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TaxonNode node = nodes.iterator().next();
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node = HibernateProxyHelper.deproxy(node, TaxonNode.class);
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taxon.removeTaxonNode(node, deleteChildren);
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taxonDao.delete(taxon);
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}
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}
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//persistentObject.delete();
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super.delete(persistentObject);
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//taxon = (Taxon)taxonDao.findByUuid(taxon.getUuid());
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return persistentObject.getUuid();
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}
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@Override
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public List<TaxonNode> getTaxonOfAcceptedTaxaByClassification(Classification classification, Integer start, Integer end) {
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int classificationId = classification.getId();
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String limit = "";
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if(start !=null && end != null){
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limit = "LIMIT "+start+"," +end;
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}
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//FIXME write test
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String queryString = "SELECT DISTINCT nodes.*,taxa.titleCache FROM TaxonNode AS nodes LEFT JOIN TaxonBase AS taxa ON nodes.taxon_id = taxa.id WHERE taxa.DTYPE = 'Taxon' AND nodes.classification_id = " + classificationId + " ORDER BY taxa.titleCache " + limit;
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List<TaxonNode> result = getSession().createSQLQuery(queryString).addEntity(TaxonNode.class).list();
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return result;
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}
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/* (non-Javadoc)
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* @see eu.etaxonomy.cdm.persistence.dao.taxon.ITaxonNodeDao#countTaxonOfAcceptedTaxaByClassification(eu.etaxonomy.cdm.model.taxon.Classification)
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*/
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@Override
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public int countTaxonOfAcceptedTaxaByClassification(Classification classification){
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int classificationId = classification.getId();
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//FIXME write test
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String queryString = "SELECT DISTINCT COUNT('nodes.*') FROM TaxonNode AS nodes LEFT JOIN TaxonBase AS taxa ON nodes.taxon_id = taxa.id WHERE taxa.DTYPE = 'Taxon' AND nodes.classification_id = " + classificationId;
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List<BigInteger> result = getSession().createSQLQuery(queryString).list();
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return result.get(0).intValue ();
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}
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@Override
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public List<TaxonNode> listChildrenOf(TaxonNode node, Integer pageSize, Integer pageIndex, List<String> propertyPaths, boolean recursive){
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if (recursive == true){
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Criteria crit = getSession().createCriteria(TaxonNode.class);
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crit.add( Restrictions.like("treeIndex", node.treeIndex()+ "%") );
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if(pageSize != null) {
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crit.setMaxResults(pageSize);
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if(pageIndex != null) {
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crit.setFirstResult(pageIndex * pageSize);
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} else {
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crit.setFirstResult(0);
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}
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}
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List<TaxonNode> results = crit.list();
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results.remove(node);
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defaultBeanInitializer.initializeAll(results, propertyPaths);
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return results;
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}else{
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return classificationDao.listChildrenOf(node.getTaxon(), node.getClassification(), pageSize, pageIndex, propertyPaths);
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}
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}
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@Override
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public Long countChildrenOf(TaxonNode node, Classification classification,
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boolean recursive) {
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if (recursive == true){
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Criteria crit = getSession().createCriteria(TaxonNode.class);
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crit.add( Restrictions.like("treeIndex", node.treeIndex()+ "%") );
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crit.setProjection(Projections.rowCount());
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return ((Integer)crit.uniqueResult().hashCode()).longValue();
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}else{
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return classificationDao.countChildrenOf(node.getTaxon(), classification);
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}
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}
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/**
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* {@inheritDoc}
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*/
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@Override
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public List<TaxonNodeAgentRelation> listTaxonNodeAgentRelations(UUID taxonUuid, UUID classificationUuid,
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UUID agentUuid, UUID rankUuid, UUID relTypeUuid, Integer start, Integer limit, List<String> propertyPaths) {
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StringBuilder hql = prepareListTaxonNodeAgentRelations(taxonUuid, classificationUuid, agentUuid, rankUuid, relTypeUuid, false);
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Query query = getSession().createQuery(hql.toString());
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if(limit != null) {
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query.setMaxResults(limit);
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if(start != null) {
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query.setFirstResult(start);
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}
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}
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setParamsForListTaxonNodeAgentRelations(taxonUuid, classificationUuid, agentUuid, rankUuid, relTypeUuid, query);
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List<TaxonNodeAgentRelation> records = query.list();
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if(propertyPaths != null) {
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defaultBeanInitializer.initializeAll(records, propertyPaths);
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}
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return records;
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}
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/**
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* {@inheritDoc}
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*/
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@Override
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public long countTaxonNodeAgentRelations(UUID taxonUuid, UUID classificationUuid, UUID agentUuid, UUID rankUuid, UUID relTypeUuid) {
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StringBuilder hql = prepareListTaxonNodeAgentRelations(taxonUuid, classificationUuid, agentUuid, rankUuid, relTypeUuid, true);
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Query query = getSession().createQuery(hql.toString());
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setParamsForListTaxonNodeAgentRelations(taxonUuid, classificationUuid, agentUuid, rankUuid, relTypeUuid, query);
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Long count = Long.parseLong(query.uniqueResult().toString());
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return count;
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}
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/**
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* @param taxonUuid
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* @param classificationUuid
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* @param agentUuid
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* @param relTypeUuid TODO
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* @param doCount TODO
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* @param rankId
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* limit to taxa having this rank, only applies if <code>taxonUuid = null</code>
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* @return
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*/
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private StringBuilder prepareListTaxonNodeAgentRelations(UUID taxonUuid, UUID classificationUuid, UUID agentUuid, UUID rankUuid, UUID relTypeUuid, boolean doCount) {
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StringBuilder hql = new StringBuilder();
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String join_fetch_mode = doCount ? "join" : "join fetch";
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if(doCount) {
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hql.append("select count(tnar)");
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} else {
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hql.append("select tnar");
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}
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hql.append(" from TaxonNodeAgentRelation as tnar ");
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if(taxonUuid != null) {
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// taxonUuid is search filter, do not fetch it
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hql.append(" join tnar.taxonNode as tn join tn.taxon as t ");
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} else {
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hql.append(join_fetch_mode).append(" tnar.taxonNode as tn ").append(join_fetch_mode).append(" tn.taxon as t ");
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if(rankUuid != null) {
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hql.append(" join t.name as n ");
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}
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}
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hql.append(" join tn.classification as c ");
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if(agentUuid != null) {
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// agentUuid is search filter, do not fetch it
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// hql.append(" join tnar.agent as a ");
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hql.append(join_fetch_mode).append(" tnar.agent as a ");
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} else {
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hql.append(join_fetch_mode).append(" tnar.agent as a ");
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}
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hql.append(" where 1 = 1 ");
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if(relTypeUuid != null) {
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hql.append(" and tnar.type.uuid = :relTypeUuid ");
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}
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if(taxonUuid != null) {
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hql.append(" and t.uuid = :taxonUuid ");
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} else {
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if(rankUuid != null) {
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hql.append(" and n.rank.uuid = :rankUuid ");
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}
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}
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if(classificationUuid != null) {
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hql.append(" and c.uuid = :classificationUuid ");
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}
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if(agentUuid != null) {
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hql.append(" and a.uuid = :agentUuid ");
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}
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hql.append(" order by a.titleCache");
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return hql;
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}
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/**
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* @param taxonUuid
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* @param classificationUuid
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* @param agentUuid
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* @param relTypeUuid TODO
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* @param query
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* @param rankId TODO
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*/
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private void setParamsForListTaxonNodeAgentRelations(UUID taxonUuid, UUID classificationUuid, UUID agentUuid,
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UUID rankUuid, UUID relTypeUuid, Query query) {
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if(taxonUuid != null) {
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query.setParameter("taxonUuid", taxonUuid);
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} else {
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if(rankUuid != null) {
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query.setParameter("rankUuid", rankUuid);
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}
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}
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if(classificationUuid != null) {
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query.setParameter("classificationUuid", classificationUuid);
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}
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if(agentUuid != null) {
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query.setParameter("agentUuid", agentUuid);
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}
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if(relTypeUuid != null) {
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query.setParameter("relTypeUuid", relTypeUuid);
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}
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}
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}
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