content: /*
   * Copyright [2018] [Alex Klibisz]
   *
   * 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.elasticsearch.plugin.aknn;
  
  import org.elasticsearch.cluster.metadata.IndexNameExpressionResolver;
  import org.elasticsearch.cluster.node.DiscoveryNodes;
  import org.elasticsearch.common.settings.ClusterSettings;
  import org.elasticsearch.common.settings.IndexScopedSettings;
  import org.elasticsearch.common.settings.Setting;
  import org.elasticsearch.common.settings.Settings;
  import org.elasticsearch.common.settings.SettingsFilter;
  import org.elasticsearch.plugins.ActionPlugin;
  import org.elasticsearch.plugins.Plugin;
  import org.elasticsearch.rest.RestController;
  import org.elasticsearch.rest.RestHandler;
  
  import java.util.Arrays;
  import java.util.List;
  import java.util.function.Supplier;
  
  public class AknnPlugin extends Plugin implements ActionPlugin {
  
      private static final Setting<String> SETTINGS =
              new Setting<>("aknn.sample.setting", "foo", (value) -> value, Setting.Property.NodeScope);
  
      @Override
      public List<Setting<?>> getSettings() {
          return Arrays.asList(SETTINGS);
      }
  
      @Override
      public List<RestHandler> getRestHandlers(final Settings settings,
                                               final RestController restController,
                                               final ClusterSettings clusterSettings,
                                               final IndexScopedSettings indexScopedSettings,
                                               final SettingsFilter settingsFilter,
                                               final IndexNameExpressionResolver indexNameExpressionResolver,
                                               final Supplier<DiscoveryNodes> nodesInCluster) {
          return Arrays.asList(new AknnRestAction(settings, restController));
      }
  }