content: /*
   * Copyright (C) 2012-2023 52°North Spatial Information Research GmbH
   *
   * This program is free software; you can redistribute it and/or modify it
   * under the terms of the GNU General Public License version 2 as published
   * by the Free Software Foundation.
   *
   * If the program is linked with libraries which are licensed under one of
   * the following licenses, the combination of the program with the linked
   * library is not considered a "derivative work" of the program:
   *
   *     - Apache License, version 2.0
   *     - Apache Software License, version 1.0
   *     - GNU Lesser General Public License, version 3
   *     - Mozilla Public License, versions 1.0, 1.1 and 2.0
   *     - Common Development and Distribution License (CDDL), version 1.0
   *
   * Therefore the distribution of the program linked with libraries licensed
   * under the aforementioned licenses, is permitted by the copyright holders
   * if the distribution is compliant with both the GNU General Public
   * License version 2 and the aforementioned licenses.
   *
   * This program is distributed in the hope that it will be useful, but
   * WITHOUT ANY WARRANTY; without even the implied warranty of
   * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General
   * Public License for more details.
   */
  package org.n52.sos.ds.observation;
  
  import java.util.Collection;
  import java.util.HashSet;
  import java.util.Map;
  import java.util.Optional;
  import java.util.Set;
  
  import javax.inject.Inject;
  
  import org.n52.janmayen.Producer;
  import org.n52.janmayen.component.AbstractComponentRepository;
  import org.n52.janmayen.lifecycle.Constructable;
  import org.slf4j.Logger;
  import org.slf4j.LoggerFactory;
  
  import com.google.common.collect.Maps;
  
  public class AdditionalObservationCreatorRepository extends
          AbstractComponentRepository<AdditionalObservationCreatorKey,
          AdditionalObservationCreator,
          AdditionalObservationCreatorFactory>
          implements Constructable {
  
      private static final Logger LOGGER = LoggerFactory.getLogger(AdditionalObservationCreatorRepository.class);
  
      private final Map<AdditionalObservationCreatorKey,
                    Producer<AdditionalObservationCreator>> additionalObservationCreator =
              Maps.newHashMap();
  
      private Optional<Collection<AdditionalObservationCreator>> components;
  
      private Optional<Collection<AdditionalObservationCreatorFactory>> componentFactories;
  
      @Inject
      public void setComponentFactories(Optional<Collection<AdditionalObservationCreatorFactory>> componentFactories) {
          this.componentFactories = componentFactories;
      }
  
      @Inject
      public void setComponents(Optional<Collection<AdditionalObservationCreator>> components) {
          this.components = components;
      }
  
      @Override
      public void init() {
          Map<AdditionalObservationCreatorKey, Producer<AdditionalObservationCreator>> implementations =
                  getUniqueProviders(this.components, this.componentFactories);
          this.additionalObservationCreator.clear();
          this.additionalObservationCreator.putAll(implementations);
      }
  
      public AdditionalObservationCreator get(AdditionalObservationCreatorKey key) {
          Producer<AdditionalObservationCreator> producer = additionalObservationCreator.get(key);
          return producer == null ? null : producer.get();
      }
  
      public AdditionalObservationCreator get(String namespace, Class<?> type) {
          return get(new AdditionalObservationCreatorKey(namespace, type));
      }
  
      public boolean hasAdditionalObservationCreatorFor(String namespace, Class<?> type) {
          return hasAdditionalObservationCreatorFor(new AdditionalObservationCreatorKey(namespace, type));
      }
  
      public boolean hasAdditionalObservationCreatorFor(AdditionalObservationCreatorKey key) {
          return additionalObservationCreator.containsKey(key);
      }
  
      public static Set<AdditionalObservationCreatorKey> encoderKeysForElements(String namespace, Class<?>... elements) {
          HashSet<AdditionalObservationCreatorKey> keys = new HashSet<>(elements.length);
          for (Class<?> x : elements) {
              keys.add(new AdditionalObservationCreatorKey(namespace, x));
          }
          return keys;
      }
  }
  