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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.api.service;
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import java.util.ArrayList;
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import java.util.List;
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import org.hibernate.envers.query.criteria.AuditCriterion;
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import org.springframework.transaction.annotation.Transactional;
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import eu.etaxonomy.cdm.api.service.pager.Pager;
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import eu.etaxonomy.cdm.api.service.pager.impl.DefaultPagerImpl;
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import eu.etaxonomy.cdm.model.common.VersionableEntity;
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import eu.etaxonomy.cdm.model.view.AuditEvent;
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import eu.etaxonomy.cdm.model.view.AuditEventRecord;
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import eu.etaxonomy.cdm.persistence.dao.common.AuditEventSort;
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import eu.etaxonomy.cdm.persistence.dao.common.IVersionableDao;
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public abstract class VersionableServiceBase<T extends VersionableEntity, DAO extends IVersionableDao<T>> extends ServiceBase<T,DAO> implements IVersionableService<T> {
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@Transactional(readOnly = true)
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public Pager<AuditEventRecord<T>> pageAuditEvents(T t, Integer pageSize, Integer pageNumber, AuditEventSort sort, List<String> propertyPaths) {
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Integer numberOfResults = dao.countAuditEvents(t, sort);
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List<AuditEventRecord<T>> results = new ArrayList<AuditEventRecord<T>>();
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if(numberOfResults > 0) { // no point checking again //TODO use AbstractPagerImpl.hasResultsInRange(numberOfResults, pageNumber, pageSize)
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results = dao.getAuditEvents(t, pageSize, pageNumber, sort,propertyPaths);
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}
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return new DefaultPagerImpl<AuditEventRecord<T>>(pageNumber, numberOfResults, pageSize, results);
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}
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@Transactional(readOnly = true)
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public AuditEventRecord<T> getNextAuditEvent(T t) {
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return dao.getNextAuditEvent(t);
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}
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@Transactional(readOnly = true)
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public AuditEventRecord<T> getPreviousAuditEvent(T t) {
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return dao.getPreviousAuditEvent(t);
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}
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@Transactional(readOnly = true)
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public Pager<AuditEventRecord<T>> pageAuditEvents(Class<? extends T> clazz,AuditEvent from,AuditEvent to, List<AuditCriterion> criteria, Integer pageSize, Integer pageNumber, AuditEventSort sort,List<String> propertyPaths) {
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Integer numberOfResults = dao.countAuditEvents(clazz, from, to, criteria);
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List<AuditEventRecord<T>> results = new ArrayList<AuditEventRecord<T>>();
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if(numberOfResults > 0) { // no point checking again //TODO use AbstractPagerImpl.hasResultsInRange(numberOfResults, pageNumber, pageSize)
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results = dao.getAuditEvents(clazz,from,to,criteria, pageSize, pageNumber, sort,propertyPaths);
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}
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return new DefaultPagerImpl<AuditEventRecord<T>>(pageNumber, numberOfResults, pageSize, results);
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}
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}
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