code: /*
   * Licensed to the Apache Software Foundation (ASF) under one or more
   * contributor license agreements.  See the NOTICE file distributed with
   * this work for additional information regarding copyright ownership.
   * The ASF licenses this file to You 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.apache.skywalking.oap.server.storage.plugin.elasticsearch.query;
  
  import org.apache.skywalking.library.elasticsearch.requests.search.Query;
  import org.apache.skywalking.library.elasticsearch.requests.search.Search;
  import org.apache.skywalking.library.elasticsearch.requests.search.SearchBuilder;
  import org.apache.skywalking.library.elasticsearch.response.search.SearchHit;
  import org.apache.skywalking.library.elasticsearch.response.search.SearchResponse;
  import org.apache.skywalking.oap.server.core.management.ui.menu.UIMenu;
  import org.apache.skywalking.oap.server.core.storage.management.UIMenuManagementDAO;
  import org.apache.skywalking.oap.server.library.client.elasticsearch.ElasticSearchClient;
  import org.apache.skywalking.oap.server.storage.plugin.elasticsearch.base.ElasticSearchConverter;
  import org.apache.skywalking.oap.server.storage.plugin.elasticsearch.base.EsDAO;
  import org.apache.skywalking.oap.server.storage.plugin.elasticsearch.base.IndexController;
  
  import java.io.IOException;
  
  public class UIMenuManagementEsDAO extends EsDAO implements UIMenuManagementDAO {
      public UIMenuManagementEsDAO(ElasticSearchClient client) {
          super(client);
      }
  
      @Override
      public UIMenu getMenu(String id) throws IOException {
          final String index =
              IndexController.LogicIndicesRegister.getPhysicalTableName(UIMenu.INDEX_NAME);
          final SearchBuilder search =
              Search.builder().query(Query.ids(id)).size(1);
          final SearchResponse response = getClient().search(index, search.build());
  
          if (response.getHits().getHits().size() > 0) {
              UIMenu.Builder builder = new UIMenu.Builder();
              SearchHit data = response.getHits().getHits().get(0);
              return builder.storage2Entity(new ElasticSearchConverter.ToEntity(UIMenu.INDEX_NAME, data.getSource()));
          }
          return null;
      }
  
      @Override
      public void saveMenu(UIMenu menu) throws IOException {
          try {
              final UIMenu.Builder builder = new UIMenu.Builder();
              final ElasticSearchConverter.ToStorage toStorage = new ElasticSearchConverter.ToStorage(UIMenu.INDEX_NAME);
              builder.entity2Storage(menu, toStorage);
              getClient().forceInsert(UIMenu.INDEX_NAME, menu.id().build(), toStorage.obtain());
          } catch (Exception e) {
              throw new IOException(e.getMessage(), e);
          }
      }
  }
  