HibernateApplicationEventFamilyMapDao.java

/*
 * Copyright 2014-2016 CyberVision, Inc.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package org.kaaproject.kaa.server.common.dao.impl.sql;

import static org.apache.commons.lang.StringUtils.isNotBlank;
import static org.kaaproject.kaa.server.common.dao.DaoConstants.APPLICATION_ALIAS;
import static org.kaaproject.kaa.server.common.dao.DaoConstants.APPLICATION_PROPERTY;
import static org.kaaproject.kaa.server.common.dao.DaoConstants.APPLICATION_REFERENCE;
import static org.kaaproject.kaa.server.common.dao.DaoConstants.ECF_ALIAS;
import static org.kaaproject.kaa.server.common.dao.DaoConstants.ECF_PROPERTY;
import static org.kaaproject.kaa.server.common.dao.DaoConstants.ECF_REFERENCE;
import static org.kaaproject.kaa.server.common.dao.DaoConstants.ID_PROPERTY;
import static org.kaaproject.kaa.server.common.dao.DaoConstants.VERSION_PROPERTY;

import org.hibernate.Criteria;
import org.hibernate.criterion.Projections;
import org.hibernate.criterion.Restrictions;
import org.kaaproject.kaa.server.common.dao.impl.ApplicationEventFamilyMapDao;
import org.kaaproject.kaa.server.common.dao.model.sql.ApplicationEventFamilyMap;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.stereotype.Repository;

import java.util.Arrays;
import java.util.Collections;
import java.util.List;

@Repository
public class HibernateApplicationEventFamilyMapDao
        extends HibernateAbstractDao<ApplicationEventFamilyMap>
        implements ApplicationEventFamilyMapDao<ApplicationEventFamilyMap> {

  private static final Logger LOG = LoggerFactory.getLogger(
          HibernateApplicationEventFamilyMapDao.class);

  @Override
  protected Class<ApplicationEventFamilyMap> getEntityClass() {
    return ApplicationEventFamilyMap.class;
  }

  @Override
  public List<ApplicationEventFamilyMap> findByApplicationId(String appId) {
    LOG.debug("Searching application event family maps by application id [{}] ", appId);
    List<ApplicationEventFamilyMap> applicationEventFamilyMaps = Collections.emptyList();
    if (isNotBlank(appId)) {
      applicationEventFamilyMaps = findListByCriterionWithAlias(
              APPLICATION_PROPERTY, APPLICATION_ALIAS, Restrictions.eq(
                      APPLICATION_REFERENCE, Long.valueOf(appId)));
    }
    if (LOG.isTraceEnabled()) {
      LOG.trace("[{}] Search result: {}.", appId, applicationEventFamilyMaps);
    } else {
      LOG.debug("[{}] Search result: {}.", appId, applicationEventFamilyMaps.size());
    }
    return applicationEventFamilyMaps;
  }

  @Override
  public List<ApplicationEventFamilyMap> findByIds(List<String> ids) {
    List<ApplicationEventFamilyMap> applicationEventFamilyMaps = Collections.emptyList();
    String idsArray = "";
    if (ids != null && !ids.isEmpty()) {
      idsArray = Arrays.toString(ids.toArray());
      LOG.debug("Searching application event family maps by ids {} ", idsArray);
      applicationEventFamilyMaps = findListByCriterion(Restrictions.in(
              ID_PROPERTY, toLongIds(ids)));
    }
    if (LOG.isTraceEnabled()) {
      LOG.trace("{} Search result: {}.", idsArray, Arrays.toString(
              applicationEventFamilyMaps.toArray()));
    } else {
      LOG.debug("{} Search result: {}.", idsArray, applicationEventFamilyMaps.size());
    }
    return applicationEventFamilyMaps;
  }

  @Override
  public void removeByApplicationId(String appId) {
    if (isNotBlank(appId)) {
      List<ApplicationEventFamilyMap> eventClassFamilies = findListByCriterionWithAlias(
              APPLICATION_PROPERTY, APPLICATION_ALIAS,
          Restrictions.eq(APPLICATION_REFERENCE, Long.valueOf(appId)));
      removeList(eventClassFamilies);
    }
    LOG.debug("Removed application event family map by application id [{}] ", appId);
  }

  @Override
  public boolean validateApplicationEventFamilyMap(String appId, String ecfId, int version) {
    LOG.debug("Validating application event family map by application id [{}], ecf id [{}], "
              + "version [{}]", appId, ecfId, version);
    Criteria criteria = getCriteria();
    criteria.createAlias(APPLICATION_PROPERTY, APPLICATION_ALIAS);
    criteria.createAlias(ECF_PROPERTY, ECF_ALIAS);
    criteria.add(Restrictions.and(
        Restrictions.eq(APPLICATION_REFERENCE, Long.valueOf(appId)),
        Restrictions.eq(ECF_REFERENCE, Long.valueOf(ecfId)),
        Restrictions.eq(VERSION_PROPERTY, version)));
    Long count = (Long) criteria.setProjection(Projections.rowCount()).uniqueResult();
    boolean result = count != null ? count == 0 : false;
    LOG.debug("[{},{},{}] Validation result: {}.", appId, ecfId, version, result);
    return result;
  }

  @Override
  public List<ApplicationEventFamilyMap> findByEcfIdAndVersion(String ecfId, int version) {
    LOG.debug("Searching application event family maps by event class family id [{}] and "
              + "version [{}] ", ecfId, version);
    Criteria criteria = getCriteria();
    criteria.createAlias(ECF_PROPERTY, ECF_ALIAS);
    criteria.add(Restrictions.and(
        Restrictions.eq(ECF_REFERENCE, Long.valueOf(ecfId)),
        Restrictions.eq(VERSION_PROPERTY, version)));
    List<ApplicationEventFamilyMap> maps = findListByCriteria(criteria);
    if (LOG.isTraceEnabled()) {
      LOG.trace("[{},{}] Search result: {}.", ecfId, version, Arrays.toString(maps.toArray()));
    } else {
      LOG.debug("[{},{}] Search result: {}.", ecfId, version, maps.size());
    }
    return maps;
  }
}