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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.validation;
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import java.util.Arrays;
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import java.util.HashSet;
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import java.util.List;
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import java.util.Set;
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import javax.validation.ConstraintViolation;
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import org.apache.log4j.Logger;
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import org.hibernate.Query;
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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.model.common.ICdmBase;
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import eu.etaxonomy.cdm.model.validation.CRUDEventType;
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import eu.etaxonomy.cdm.model.validation.EntityConstraintViolation;
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import eu.etaxonomy.cdm.model.validation.EntityValidation;
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import eu.etaxonomy.cdm.model.validation.Severity;
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import eu.etaxonomy.cdm.persistence.dao.hibernate.common.CdmEntityDaoBase;
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import eu.etaxonomy.cdm.persistence.dao.validation.IEntityValidationDao;
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/**
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* @author ayco_holleman
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* @since 15 jan. 2015
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*/
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@Repository
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@Qualifier("EntityValidationDaoHibernateImpl")
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public class EntityValidationDaoHibernateImpl extends CdmEntityDaoBase<EntityValidation> implements
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IEntityValidationDao {
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private static final Logger logger = Logger.getLogger(EntityValidationDaoHibernateImpl.class);
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public EntityValidationDaoHibernateImpl() {
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super(EntityValidation.class);
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}
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@Override
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public <T extends ICdmBase> void saveEntityValidation(T validatedEntity, Set<ConstraintViolation<T>> errors,
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CRUDEventType crudEventType, Class<?>[] validationGroups) {
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EntityValidation entityValidation = getEntityValidation(validatedEntity.getClass().getName(),
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validatedEntity.getId());
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if (entityValidation == null) {
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entityValidation = EntityValidation.newInstance(validatedEntity, crudEventType);
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addNewErrors(entityValidation, validatedEntity, errors);
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getSession().save(entityValidation);
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} else {
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deleteOldErrors(entityValidation, validationGroups);
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addNewErrors(entityValidation, validatedEntity, errors);
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getSession().merge(entityValidation);
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}
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}
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@Override
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public void deleteEntityValidation(String validatedEntityClass, int validatedEntityId) {
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EntityValidation result = getEntityValidation(validatedEntityClass, validatedEntityId);
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if (result != null) {
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getSession().delete(result);
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}
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}
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@Override
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public EntityValidation getEntityValidation(String validatedEntityClass, int validatedEntityId) {
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Query query = getSession().createQuery(
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"FROM EntityValidation vr "
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+ "WHERE vr.validatedEntityClass = :cls AND vr.validatedEntityId = :id");
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query.setString("cls", validatedEntityClass);
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query.setInteger("id", validatedEntityId);
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@SuppressWarnings("unchecked")
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List<EntityValidation> result = query.list();
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if (result.size() == 0) {
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return null;
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} else {
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return result.iterator().next();
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}
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}
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@Override
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public List<EntityValidation> getEntityValidations() {
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Query query = getSession().createQuery(
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"FROM EntityValidation vr "
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+ "ORDER BY vr.validatedEntityClass, vr.validatedEntityId");
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@SuppressWarnings("unchecked")
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List<EntityValidation> result = query.list();
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return result;
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}
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@Override
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public List<EntityValidation> getEntityValidations(String validatedEntityClass) {
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Query query = getSession()
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.createQuery(
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"FROM EntityValidation vr "
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+ "WHERE vr.validatedEntityClass = :cls ORDER BY vr.validatedEntityClass, vr.validatedEntityId");
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query.setString("cls", validatedEntityClass);
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@SuppressWarnings("unchecked")
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List<EntityValidation> result = query.list();
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return result;
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}
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@Override
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public List<EntityValidation> getEntitiesViolatingConstraint(String validatorClass) {
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Query query = getSession().createQuery(
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"FROM EntityValidation vr JOIN FETCH vr.entityConstraintViolations cv "
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+ "WHERE cv.validator = :cls ORDER BY vr.validatedEntityClass, vr.validatedEntityId");
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query.setString("cls", validatorClass);
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@SuppressWarnings("unchecked")
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List<EntityValidation> result = query.list();
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return result;
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}
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@Override
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public List<EntityValidation> getEntityValidations(String validatedEntityClass, Severity severity) {
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Query query = getSession().createQuery(
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"FROM EntityValidation vr JOIN FETCH vr.entityConstraintViolations cv "
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+ "WHERE vr.validatedEntityClass = :cls " + "AND cv.severity = :severity "
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+ "ORDER BY vr.validatedEntityClass, vr.validatedEntityId");
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query.setString("cls", validatedEntityClass);
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query.setString("severity", severity.toString());
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@SuppressWarnings("unchecked")
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List<EntityValidation> result = query.list();
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return result;
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}
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@Override
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public List<EntityValidation> getEntityValidations(Severity severity) {
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Query query = getSession().createQuery(
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"FROM EntityValidation vr JOIN FETCH vr.entityConstraintViolations cv "
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+ "WHERE cv.severity = :severity " + "ORDER BY vr.validatedEntityClass, vr.validatedEntityId");
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query.setString("severity", severity.toString());
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@SuppressWarnings("unchecked")
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List<EntityValidation> result = query.list();
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return result;
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}
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private static void deleteOldErrors(EntityValidation fromResult, Class<?>[] validationGroups) {
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if (fromResult.getEntityConstraintViolations() == null || fromResult.getEntityConstraintViolations().size() == 0) {
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return;
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}
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Set<Class<?>> validationGroupSet = new HashSet<Class<?>>(Arrays.asList(validationGroups));
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Set<String> validationGroupNames = new HashSet<>(validationGroupSet.size());
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for (Class<?> c : validationGroupSet) {
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validationGroupNames.add(c.getName());
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}
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// Iterator<EntityConstraintViolation> iterator = fromResult.getEntityConstraintViolations().iterator();
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Set<EntityConstraintViolation> constraintsToDelete = new HashSet<EntityConstraintViolation>();
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for (EntityConstraintViolation ecv : fromResult.getEntityConstraintViolations()){
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if (validationGroupNames.contains(ecv.getValidationGroup())) {
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constraintsToDelete.add(ecv);
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}
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}
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for (EntityConstraintViolation ecv : constraintsToDelete){
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fromResult.removeEntityConstraintViolation(ecv);
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}
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}
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private static <T extends ICdmBase> void addNewErrors(EntityValidation toResult, T validatedEntity,
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Set<ConstraintViolation<T>> errors) {
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for (ConstraintViolation<T> error : errors) {
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EntityConstraintViolation violation = EntityConstraintViolation.newInstance(validatedEntity, error);
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toResult.addEntityConstraintViolation(violation);
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violation.setEntityValidation(toResult);
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}
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}
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@SuppressWarnings("unused")
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private void deletedErrorRecords(int validationResultId, Class<?>[] validationGroups) {
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StringBuilder sql = new StringBuilder(127);
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sql.append("DELETE FROM EntityConstraintViolation ecv WHERE ecv.entityValidation.id = :id");
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if (validationGroups != null && validationGroups.length != 0) {
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sql.append(" AND (");
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for (int i = 0; i < validationGroups.length; ++i) {
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if (i != 0) {
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sql.append(" OR ");
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}
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sql.append("validationgroup = :param" + i);
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}
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sql.append(")");
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}
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Query query = getSession().createQuery(sql.toString());
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query.setInteger("id", validationResultId);
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if (validationGroups != null && validationGroups.length != 0) {
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for (int i = 0; i < validationGroups.length; ++i) {
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query.setString("param" + i, validationGroups[i].getName());
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}
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}
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int n = query.executeUpdate();
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if (logger.isDebugEnabled()) {
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logger.debug("Deleted " + n + " error records");
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}
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}
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}
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