content: /*
   * 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.celeborn.server.common.service.config;
  
  import java.io.IOException;
  import java.util.List;
  import java.util.Map;
  import java.util.function.Function;
  import java.util.stream.Collectors;
  
  import com.google.common.annotations.VisibleForTesting;
  import org.apache.commons.lang3.tuple.Pair;
  
  import org.apache.celeborn.common.CelebornConf;
  import org.apache.celeborn.server.common.service.store.IServiceManager;
  import org.apache.celeborn.server.common.service.store.db.DbServiceManagerImpl;
  
  public class DbConfigServiceImpl extends BaseConfigServiceImpl implements ConfigService {
    private volatile IServiceManager iServiceManager;
  
    public DbConfigServiceImpl(CelebornConf celebornConf) throws IOException {
      super(celebornConf);
    }
  
    @Override
    public void refreshCache() throws IOException {
      if (iServiceManager == null) {
        synchronized (this) {
          if (iServiceManager == null) {
            iServiceManager = new DbServiceManagerImpl(celebornConf, this);
          }
        }
      }
  
      systemConfigAtomicReference.get().setConfigs(iServiceManager.getSystemConfig());
      systemConfigAtomicReference.get().setTags(iServiceManager.getClusterTags());
  
      tenantConfigAtomicReference.set(
          iServiceManager.getAllTenantConfigs().stream()
              .collect(Collectors.toMap(TenantConfig::getTenantId, Function.identity())));
      tenantUserConfigAtomicReference.set(
          iServiceManager.getAllTenantUserConfigs().stream()
              .collect(
                  Collectors.toMap(
                      tenantConfig -> Pair.of(tenantConfig.getTenantId(), tenantConfig.getName()),
                      Function.identity())));
    }
  
    @Override
    public void upsertSystemConfig(Map<String, String> systemConfigs) {
      iServiceManager.upsertSystemConfig(systemConfigs);
    }
  
    @Override
    public void upsertTenantConfig(
        ConfigLevel configLevel, String tenantId, String name, Map<String, String> tenantConfigs) {
      iServiceManager.upsertTenantConfig(configLevel, tenantId, name, tenantConfigs);
    }
  
    @Override
    public void deleteSystemConfigByKeys(List<String> configKeys) {
      iServiceManager.deleteSystemConfigByKeys(configKeys);
    }
  
    @Override
    public void deleteTenantConfigByKeys(
        ConfigLevel configLevel, String tenantId, String name, List<String> configKeys) {
      iServiceManager.deleteTenantConfigByKeys(configLevel, tenantId, name, configKeys);
    }
  
    @VisibleForTesting
    public IServiceManager getServiceManager() {
      return iServiceManager;
    }
  }
  