code: /**
   * This file is part of Eclipse Steady.
   *
   * 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.
   *
   * SPDX-License-Identifier: Apache-2.0
   * SPDX-FileCopyrightText: Copyright (c) 2018-2020 SAP SE or an SAP affiliate company and Eclipse Steady contributors
   */
  package org.eclipse.steady.backend.repo;
  
  import java.util.Arrays;
  import java.util.HashSet;
  import java.util.List;
  import java.util.Set;
  
  import javax.persistence.EntityNotFoundException;
  
  import org.eclipse.steady.backend.model.ConstructId;
  import org.eclipse.steady.backend.model.Dependency;
  import org.eclipse.steady.backend.model.TouchPoint;
  import org.eclipse.steady.backend.util.ReferenceUpdater;
  import org.slf4j.Logger;
  import org.slf4j.LoggerFactory;
  import org.springframework.beans.factory.annotation.Autowired;
  
  /**
   * <p>DependencyRepositoryImpl class.</p>
   */
  public class DependencyRepositoryImpl implements DependencyRepositoryCustom {
  
    private static Logger log = LoggerFactory.getLogger(DependencyRepositoryImpl.class);
  
    @Autowired ReferenceUpdater refUpdater;
  
    @Autowired DependencyRepository depRepository;
  
    @Autowired ConstructIdRepository cidRepository;
  
    /**
     * <p>saveReachableConstructIds.</p>
     *
     * @param _dep a {@link org.eclipse.steady.backend.model.Dependency} object.
     * @param _construct_ids an array of {@link org.eclipse.steady.backend.model.ConstructId} objects.
     * @return a {@link java.util.Set} object.
     */
    public Set<ConstructId> saveReachableConstructIds(Dependency _dep, ConstructId[] _construct_ids) {
      final List<ConstructId> provided_construct_ids = Arrays.asList(_construct_ids);
      final Set<ConstructId> managed_construct_ids = new HashSet<ConstructId>();
      managed_construct_ids.addAll(this.refUpdater.saveNestedConstructIds(provided_construct_ids));
      _dep.addReachableConstructIds(managed_construct_ids);
      this.depRepository.save(_dep);
      return managed_construct_ids;
    }
  
    /**
     * <p>saveTouchPoints.</p>
     *
     * @param _dep a {@link org.eclipse.steady.backend.model.Dependency} object.
     * @param _touch_points an array of {@link org.eclipse.steady.backend.model.TouchPoint} objects.
     * @return a {@link java.util.Set} object.
     */
    public Set<TouchPoint> saveTouchPoints(Dependency _dep, TouchPoint[] _touch_points) {
      final Set<TouchPoint> provided_touch_points =
          new HashSet<TouchPoint>(Arrays.asList(_touch_points));
      final Set<TouchPoint> managed_touch_points = new HashSet<TouchPoint>();
      ConstructId managed_cid = null, provided_cid = null;
      for (TouchPoint tp : provided_touch_points) {
        provided_cid = tp.getFrom();
        try {
          managed_cid =
              ConstructIdRepository.FILTER.findOne(
                  this.cidRepository.findConstructId(
                      provided_cid.getLang(), provided_cid.getType(), provided_cid.getQname()));
        } catch (EntityNotFoundException e) {
          managed_cid = this.cidRepository.save(provided_cid);
        }
        tp.setFrom(managed_cid);
  
        provided_cid = tp.getTo();
        try {
          managed_cid =
              ConstructIdRepository.FILTER.findOne(
                  this.cidRepository.findConstructId(
                      provided_cid.getLang(), provided_cid.getType(), provided_cid.getQname()));
        } catch (EntityNotFoundException e) {
          managed_cid = this.cidRepository.save(provided_cid);
        }
        tp.setTo(managed_cid);
        managed_touch_points.add(tp);
      }
      _dep.addTouchPoints(managed_touch_points);
      this.depRepository.save(_dep);
      return managed_touch_points;
    }
  }
  