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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.persistence.dao.hibernate.view;
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import java.util.List;
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import java.util.UUID;
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import org.hibernate.Hibernate;
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import org.hibernate.Query;
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import org.hibernate.envers.AuditReader;
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import org.hibernate.envers.AuditReaderFactory;
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import org.joda.time.DateTime;
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import org.springframework.stereotype.Repository;
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import eu.etaxonomy.cdm.model.view.AuditEvent;
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import eu.etaxonomy.cdm.persistence.dao.common.AuditEventSort;
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import eu.etaxonomy.cdm.persistence.dao.hibernate.common.DaoBase;
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import eu.etaxonomy.cdm.persistence.view.IAuditEventDao;
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@Repository
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public class AuditEventDao extends DaoBase implements IAuditEventDao {
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protected AuditReader getAuditReader() {
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return AuditReaderFactory.get(getSession());
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}
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public int count() {
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Query query = getSession().createQuery("select count(auditEvent) from AuditEvent auditEvent");
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return ((Long)query.uniqueResult()).intValue();
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}
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public boolean exists(UUID uuid) {
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Query query = getSession().createQuery("select auditEvent from AuditEvent auditEvent where auditEvent.uuid = :uuid");
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query.setParameter("uuid", uuid);
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return null != (AuditEvent)query.uniqueResult();
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}
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public AuditEvent findById(Integer id) {
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Query query = getSession().createQuery("select auditEvent from AuditEvent auditEvent where auditEvent.id = :id");
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query.setParameter("id", id);
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return (AuditEvent)query.uniqueResult();
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}
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public AuditEvent findByUuid(UUID uuid) {
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Query query = getSession().createQuery("select auditEvent from AuditEvent auditEvent where auditEvent.uuid = :uuid");
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query.setParameter("uuid", uuid);
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return (AuditEvent)query.uniqueResult();
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}
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public AuditEvent getNextAuditEvent(AuditEvent auditEvent) {
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Query query = getSession().createQuery("select auditEvent from AuditEvent auditEvent where auditEvent.revisionNumber = :revisionNumber + 1");
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query.setParameter("revisionNumber", auditEvent.getRevisionNumber());
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return (AuditEvent) query.uniqueResult();
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}
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public AuditEvent getPreviousAuditEvent(AuditEvent auditEvent) {
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Query query = getSession().createQuery("select auditEvent from AuditEvent auditEvent where auditEvent.revisionNumber = :revisionNumber - 1");
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query.setParameter("revisionNumber", auditEvent.getRevisionNumber());
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return (AuditEvent) query.uniqueResult();
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}
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public List<AuditEvent> list(Integer pageNumber, Integer pageSize, AuditEventSort sort) {
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if(sort == null) {
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sort = AuditEventSort.BACKWARDS;
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}
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Query query = null;
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if(sort.equals(AuditEventSort.FORWARDS)) {
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query = getSession().createQuery("select auditEvent from AuditEvent auditEvent order by auditEvent.timestamp asc");
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} else {
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query = getSession().createQuery("select auditEvent from AuditEvent auditEvent order by auditEvent.timestamp desc");
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}
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if(pageSize != null) {
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query.setMaxResults(pageSize);
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if(pageNumber != null) {
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query.setFirstResult(pageNumber * pageSize);
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} else {
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query.setFirstResult(0);
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}
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}
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return (List<AuditEvent>)query.list();
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}
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public AuditEvent findByDate(DateTime dateTime) {
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Number id = getAuditReader().getRevisionNumberForDate(dateTime.toDate());
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AuditEvent auditEvent =(AuditEvent)getSession().load(AuditEvent.class, id);
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Hibernate.initialize(auditEvent);
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return auditEvent;
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}
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}
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