280 lines
8.6 KiB
Java
280 lines
8.6 KiB
Java
/*
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* Copyright 2015 FUJITSU LIMITED
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* (C) Copyright 2016 Hewlett Packard Enterprise Development LP
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*
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* Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except
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* in compliance with the License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software distributed under the License
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* is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express
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* or implied. See the License for the specific language governing permissions and limitations under
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* the License.
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*/
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package monasca.api.infrastructure.persistence.hibernate;
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import java.util.List;
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import java.util.UUID;
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import javax.inject.Inject;
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import javax.inject.Named;
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import com.google.common.collect.Lists;
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import org.apache.commons.collections4.CollectionUtils;
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import org.hibernate.Query;
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import org.hibernate.Session;
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import org.hibernate.SessionFactory;
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import org.hibernate.Transaction;
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import org.joda.time.DateTime;
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import org.slf4j.Logger;
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import org.slf4j.LoggerFactory;
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import monasca.api.domain.exception.EntityExistsException;
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import monasca.api.domain.exception.EntityNotFoundException;
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import monasca.api.domain.model.notificationmethod.NotificationMethod;
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import monasca.api.domain.model.notificationmethod.NotificationMethodRepo;
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import monasca.api.resource.exception.Exceptions;
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import monasca.common.hibernate.db.NotificationMethodDb;
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import monasca.common.model.alarm.AlarmNotificationMethodType;
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/**
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* Notification method repository implementation.
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*/
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public class NotificationMethodSqlRepoImpl
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extends BaseSqlRepo
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implements NotificationMethodRepo {
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private static final Logger LOG = LoggerFactory.getLogger(NotificationMethodSqlRepoImpl.class);
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@Inject
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public NotificationMethodSqlRepoImpl(@Named("orm") SessionFactory sessionFactory) {
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super(sessionFactory);
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}
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@Override
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public NotificationMethod create(String tenantId, String name, String notificationMethodType,
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String address, int period) {
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Transaction tx = null;
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Session session = null;
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try {
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session = sessionFactory.openSession();
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tx = session.beginTransaction();
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if (byTenantIdAndName(session, tenantId, name) != null) {
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throw new EntityExistsException("Notification method %s \"%s\" already exists.", tenantId,
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name);
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}
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final String id = UUID.randomUUID().toString();
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final DateTime now = this.getUTCNow();
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final NotificationMethodDb db = new NotificationMethodDb(
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id,
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tenantId,
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name,
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AlarmNotificationMethodType.valueOf(notificationMethodType),
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address,
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period,
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now,
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now
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);
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session.save(db);
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LOG.debug("Creating notification method {} for {}", name, tenantId);
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tx.commit();
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tx = null;
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return this.convertToNotificationMethod(db);
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} catch (RuntimeException e) {
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this.rollbackIfNotNull(tx);
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throw e;
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} finally {
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if (session != null) {
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session.close();
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}
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}
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}
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@Override
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public void deleteById(String tenantId, String notificationMethodId) {
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Session session = null;
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Transaction tx = null;
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try {
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if (!exists(tenantId, notificationMethodId)) {
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throw new EntityNotFoundException("No notification exists for %s", notificationMethodId);
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}
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session = sessionFactory.openSession();
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tx = session.beginTransaction();
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// delete notification
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session
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.getNamedQuery(NotificationMethodDb.Queries.DELETE_BY_ID)
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.setString("id", notificationMethodId)
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.executeUpdate();
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tx.commit();
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tx = null;
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} catch (RuntimeException e) {
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this.rollbackIfNotNull(tx);
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throw e;
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} finally {
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if (session != null) {
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session.close();
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}
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}
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}
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@Override
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public boolean exists(String tenantId, String notificationMethodId) {
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Session session = null;
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try {
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session = sessionFactory.openSession();
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return this.getByTenantIdAndId(session, tenantId, notificationMethodId) != null;
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} finally {
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if (session != null) {
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session.close();
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}
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}
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}
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@Override
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public NotificationMethod findById(String tenantId, String notificationMethodId) {
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Session session = null;
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try {
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session = sessionFactory.openSession();
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final NotificationMethodDb result = this.getByTenantIdAndId(session, tenantId, notificationMethodId);
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if (result == null) {
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throw new EntityNotFoundException("No notification method exists for %s",
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notificationMethodId);
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}
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return this.convertToNotificationMethod(result);
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} finally {
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if (session != null) {
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session.close();
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}
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}
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}
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@Override
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public NotificationMethod update(String tenantId, String notificationMethodId, String name,
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String notificationMethodType, String address, int period) {
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Session session = null;
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Transaction tx = null;
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try {
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session = sessionFactory.openSession();
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final NotificationMethodDb result = this.byTenantIdAndName(session, tenantId, name);
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if (result != null && !result.getId().equalsIgnoreCase(notificationMethodId)) {
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throw new EntityExistsException("Notification method %s \"%s\" already exists.", tenantId,
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name);
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}
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tx = session.beginTransaction();
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NotificationMethodDb db;
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if ((db = session.get(NotificationMethodDb.class, notificationMethodId)) == null) {
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throw new EntityNotFoundException("No notification method exists for %s",
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notificationMethodId);
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}
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db.setName(name);
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db.setType(AlarmNotificationMethodType.valueOf(notificationMethodType));
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db.setAddress(address);
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db.setPeriod(period);
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db.setUpdatedAt(this.getUTCNow());
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session.save(db);
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tx.commit();
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tx = null;
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return this.convertToNotificationMethod(db);
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} catch (RuntimeException e) {
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this.rollbackIfNotNull(tx);
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throw e;
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} finally {
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if (session != null) {
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session.close();
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}
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}
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}
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@Override
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@SuppressWarnings("unchecked")
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public List<NotificationMethod> find(String tenantId, List<String> sortBy, String offset,
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int limit) {
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if (sortBy != null && !sortBy.isEmpty()) {
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throw Exceptions.unprocessableEntity(
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"Sort_by is not implemented for the hibernate database type");
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}
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Session session = null;
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List<NotificationMethodDb> resultList;
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List<NotificationMethod> notificationList = Lists.newArrayList();
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final String rawQuery = "from NotificationMethodDb where tenant_id = :tenantId %1$s order by id";
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try {
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session = sessionFactory.openSession();
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final String offsetPart = offset != null ? String.format("and id > '%s'", offset) : "";
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final String queryHql = String.format(rawQuery, offsetPart);
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final Query query = session.createQuery(queryHql).setString("tenantId", tenantId);
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if (limit > 0) {
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query.setMaxResults(limit + 1);
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}
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resultList = query.list();
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if (CollectionUtils.isEmpty(resultList)) {
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return notificationList;
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}
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for (NotificationMethodDb item : resultList) {
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notificationList.add(this.convertToNotificationMethod(item));
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}
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return notificationList;
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} finally {
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if (session != null) {
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session.close();
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}
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}
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}
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protected NotificationMethodDb byTenantIdAndName(final Session session,
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final String tenantId,
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final String name) {
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return (NotificationMethodDb) session
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.getNamedQuery(NotificationMethodDb.Queries.NOTIFICATION_BY_TENANT_ID_AND_NAME)
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.setString("tenantId", tenantId)
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.setString("name", name)
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.uniqueResult();
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}
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protected NotificationMethodDb getByTenantIdAndId(final Session session,
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final String tenantId,
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final String id) {
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return (NotificationMethodDb) session
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.getNamedQuery(NotificationMethodDb.Queries.FIND_BY_TENANT_ID_AND_ID)
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.setString("tenantId", tenantId)
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.setString("id", id)
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.uniqueResult();
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}
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protected NotificationMethod convertToNotificationMethod(final NotificationMethodDb db) {
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return db == null ? null : new NotificationMethod(
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db.getId(),
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db.getName(),
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db.getType().toString(),
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db.getAddress(),
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db.getPeriod()
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);
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}
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}
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