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.jdbc.common.dao;
  
  import lombok.RequiredArgsConstructor;
  import lombok.SneakyThrows;
  import lombok.extern.slf4j.Slf4j;
  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.core.storage.type.HashMapConverter;
  import org.apache.skywalking.oap.server.library.client.jdbc.hikaricp.JDBCClient;
  import org.apache.skywalking.oap.server.storage.plugin.jdbc.SQLExecutor;
  import org.apache.skywalking.oap.server.storage.plugin.jdbc.TableMetaInfo;
  import org.apache.skywalking.oap.server.storage.plugin.jdbc.common.JDBCTableInstaller;
  import org.apache.skywalking.oap.server.storage.plugin.jdbc.common.TableHelper;
  
  import java.io.IOException;
  import java.sql.Connection;
  import java.util.ArrayList;
  
  @Slf4j
  @RequiredArgsConstructor
  public class JDBCUIMenuManagementDAO extends JDBCSQLExecutor implements UIMenuManagementDAO {
      private final JDBCClient h2Client;
      private final TableHelper tableHelper;
  
      @SneakyThrows
      @Override
      public UIMenu getMenu(String id) throws IOException {
          final var tables = tableHelper.getTablesWithinTTL(UIMenu.INDEX_NAME);
  
          for (String table : tables) {
              final StringBuilder sql = new StringBuilder();
              final ArrayList<Object> condition = new ArrayList<>(1);
              sql.append("select * from ").append(table).append(" where ")
                  .append(JDBCTableInstaller.TABLE_COLUMN).append(" = ?")
                  .append(" and id=? LIMIT 1 ");
              condition.add(UIMenu.INDEX_NAME);
              condition.add(id);
  
              final var result = h2Client.executeQuery(sql.toString(), resultSet -> {
                  final UIMenu.Builder builder = new UIMenu.Builder();
                  return (UIMenu) toStorageData(resultSet, UIMenu.INDEX_NAME, builder);
              }, condition.toArray(new Object[0]));
              if (result != null) {
                  return result;
              }
          }
          return null;
      }
  
      @SneakyThrows
      @Override
      public void saveMenu(UIMenu menu) throws IOException {
          final var model = TableMetaInfo.get(UIMenu.INDEX_NAME);
          final SQLExecutor insertExecutor = getInsertExecutor(
              model, menu, 0, new UIMenu.Builder(), new HashMapConverter.ToStorage(), null);
          try (Connection connection = h2Client.getConnection()) {
              insertExecutor.invoke(connection);
          }
      }
  }
  