ApplicationEventMapServiceImpl.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.service;

import static org.kaaproject.kaa.server.common.dao.impl.DaoUtil.convertDtoList;
import static org.kaaproject.kaa.server.common.dao.impl.DaoUtil.getDto;
import static org.kaaproject.kaa.server.common.dao.service.Validator.isValidSqlId;
import static org.kaaproject.kaa.server.common.dao.service.Validator.isValidSqlObject;
import static org.kaaproject.kaa.server.common.dao.service.Validator.validateSqlId;

import org.kaaproject.kaa.common.dto.ApplicationDto;
import org.kaaproject.kaa.common.dto.event.AefMapInfoDto;
import org.kaaproject.kaa.common.dto.event.ApplicationEventFamilyMapDto;
import org.kaaproject.kaa.common.dto.event.EcfInfoDto;
import org.kaaproject.kaa.server.common.dao.ApplicationEventMapService;
import org.kaaproject.kaa.server.common.dao.exception.IncorrectParameterException;
import org.kaaproject.kaa.server.common.dao.impl.ApplicationDao;
import org.kaaproject.kaa.server.common.dao.impl.ApplicationEventFamilyMapDao;
import org.kaaproject.kaa.server.common.dao.impl.EventClassFamilyDao;
import org.kaaproject.kaa.server.common.dao.model.sql.Application;
import org.kaaproject.kaa.server.common.dao.model.sql.ApplicationEventFamilyMap;
import org.kaaproject.kaa.server.common.dao.model.sql.EventClassFamily;
import org.kaaproject.kaa.server.common.dao.model.sql.EventClassFamilyVersion;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Transactional;

import java.util.ArrayList;
import java.util.Collections;
import java.util.List;

@Service
@Transactional
public class ApplicationEventMapServiceImpl implements ApplicationEventMapService {

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

  @Autowired
  private ApplicationEventFamilyMapDao<ApplicationEventFamilyMap> applicationEventFamilyMapDao;

  @Autowired
  private ApplicationDao<Application> applicationDao;

  @Autowired
  private EventClassFamilyDao<EventClassFamily> eventClassFamilyDao;

  @Override
  public List<ApplicationEventFamilyMapDto> findApplicationEventFamilyMapsByApplicationId(
      String applicationId) {
    List<ApplicationEventFamilyMapDto> eventFamilyMaps;
    if (isValidSqlId(applicationId)) {
      LOG.debug("Find application event family maps by applicationId id [{}]", applicationId);
      eventFamilyMaps = convertDtoList(applicationEventFamilyMapDao.findByApplicationId(
              applicationId));
    } else {
      throw new IncorrectParameterException("Incorrect applicationId id: " + applicationId);
    }
    return eventFamilyMaps;
  }

  @Override
  public List<ApplicationEventFamilyMapDto> findApplicationEventFamilyMapsByIds(List<String> ids) {
    LOG.debug("Find application event family maps by ids [{}]", ids);
    List<ApplicationEventFamilyMapDto> eventFamilies = Collections.emptyList();
    if (ids != null && !ids.isEmpty()) {
      eventFamilies = convertDtoList(applicationEventFamilyMapDao.findByIds(ids));
    }
    return eventFamilies;
  }

  @Override
  public List<ApplicationEventFamilyMapDto> findByEcfIdAndVersion(String eventClassFamilyId,
                                                                  int version) {
    LOG.debug("Find application event family maps by ecf id [{}] and version",
            eventClassFamilyId, version);
    return convertDtoList(applicationEventFamilyMapDao.findByEcfIdAndVersion(
            eventClassFamilyId, version));
  }

  @Override
  public ApplicationEventFamilyMapDto findApplicationEventFamilyMapById(String id) {
    validateSqlId(id, "Application event family map id is incorrect. "
                      + "Can't find application event family map by id " + id);
    return getDto(applicationEventFamilyMapDao.findById(id));
  }

  @Override
  public ApplicationEventFamilyMapDto saveApplicationEventFamilyMap(
      ApplicationEventFamilyMapDto applicationEventFamilyMapDto) {
    ApplicationEventFamilyMapDto savedApplicationEventFamilyMap = null;
    if (isValidSqlObject(applicationEventFamilyMapDto)) {
      if (isValidSqlId(applicationEventFamilyMapDto.getId())) {
        ApplicationEventFamilyMapDto previousApplicationEventFamilyMapDto =
                findApplicationEventFamilyMapById(applicationEventFamilyMapDto.getId());
        if (previousApplicationEventFamilyMapDto != null) {
          LOG.debug("Can't save application event family map. Update is forbidden.");
          throw new IncorrectParameterException("Can't save application event family map. "
                                                + "Update is forbidden.");
        }
      }
      if (applicationEventFamilyMapDao.validateApplicationEventFamilyMap(
              applicationEventFamilyMapDto.getApplicationId(),
              applicationEventFamilyMapDto.getEcfId(),
              applicationEventFamilyMapDto.getVersion())) {
        applicationEventFamilyMapDto.setCreatedTime(System.currentTimeMillis());
        savedApplicationEventFamilyMap = getDto(applicationEventFamilyMapDao
                .save(new ApplicationEventFamilyMap(applicationEventFamilyMapDto)));
      } else {
        LOG.debug("Can't save application event family map. Uniqueness violation.");
        throw new IncorrectParameterException("Incorrect application event family map. "
                                              + "Uniqueness violation within the application.");
      }
    }
    return savedApplicationEventFamilyMap;
  }

  @Override
  public List<EcfInfoDto> findVacantEventClassFamiliesByApplicationId(
      String applicationId) {
    List<EcfInfoDto> vacantEcfs = new ArrayList<>();
    if (isValidSqlId(applicationId)) {
      ApplicationDto application = getDto(applicationDao.findById(applicationId));
      if (application != null) {
        String tenantId = application.getTenantId();
        List<EventClassFamily> eventClassFamilies = eventClassFamilyDao.findByTenantId(tenantId);
        List<AefMapInfoDto> aefMaps = findEventClassFamiliesByApplicationId(applicationId);
        List<EcfInfoDto> occupiedEcfs = new ArrayList<>();
        for (AefMapInfoDto aefMap : aefMaps) {
          EcfInfoDto ecf = new EcfInfoDto();
          ecf.setEcfId(aefMap.getEcfId());
          ecf.setEcfName(aefMap.getEcfName());
          ecf.setVersion(aefMap.getVersion());
          occupiedEcfs.add(ecf);
        }
        if (eventClassFamilies != null) {
          for (EventClassFamily eventClassFamily : eventClassFamilies) {

            if (eventClassFamily.getSchemas() != null) {
              for (EventClassFamilyVersion eventClassFamilyVersion :
                      eventClassFamily.getSchemas()) {
                EcfInfoDto ecf = new EcfInfoDto();
                ecf.setEcfId(String.valueOf(eventClassFamily.getId()));
                ecf.setEcfName(eventClassFamily.getName());
                ecf.setVersion(eventClassFamilyVersion.getVersion());
                if (occupiedEcfs != null && !occupiedEcfs.contains(ecf)) {
                  vacantEcfs.add(ecf);
                }
              }
            }
          }
        }
      }
    } else {
      throw new IncorrectParameterException("Incorrect applicationId id: " + applicationId);
    }
    return vacantEcfs;
  }

  @Override
  public List<AefMapInfoDto> findEventClassFamiliesByApplicationId(
      String applicationId) {
    List<ApplicationEventFamilyMapDto> eventFamilyMaps =
            findApplicationEventFamilyMapsByApplicationId(applicationId);
    List<AefMapInfoDto> aefMaps = new ArrayList<>();
    if (eventFamilyMaps != null) {
      for (ApplicationEventFamilyMapDto eventFamilyMap : eventFamilyMaps) {
        AefMapInfoDto aefMap = new AefMapInfoDto();
        aefMap.setAefMapId(eventFamilyMap.getId());
        aefMap.setEcfId(eventFamilyMap.getEcfId());
        aefMap.setEcfName(eventFamilyMap.getEcfName());
        aefMap.setVersion(eventFamilyMap.getVersion());
        aefMaps.add(aefMap);
      }
    }
    return aefMaps;
  }


}