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.flink.connectors.kudu.table.dynamic.catalog;
  
  import org.apache.flink.annotation.Internal;
  import org.apache.flink.configuration.ConfigOption;
  import org.apache.flink.table.catalog.Catalog;
  import org.apache.flink.table.factories.CatalogFactory;
  import org.apache.flink.table.factories.FactoryUtil;
  import org.slf4j.Logger;
  import org.slf4j.LoggerFactory;
  
  import java.util.HashSet;
  import java.util.Set;
  
  import static org.apache.flink.connectors.kudu.table.dynamic.KuduDynamicTableSourceSinkFactory.IDENTIFIER;
  import static org.apache.flink.connectors.kudu.table.dynamic.KuduDynamicTableSourceSinkFactory.KUDU_MASTERS;
  import static org.apache.flink.table.factories.FactoryUtil.PROPERTY_VERSION;
  
  /**
   * Factory for {@link KuduDynamicCatalog}.
   */
  @Internal
  public class KuduCatalogFactory implements CatalogFactory {
  
      private static final Logger LOG = LoggerFactory.getLogger(KuduCatalogFactory.class);
  
      @Override
      public String factoryIdentifier() {
          return IDENTIFIER;
      }
  
      @Override
      public Set<ConfigOption<?>> optionalOptions() {
          final Set<ConfigOption<?>> options = new HashSet<>();
          options.add(PROPERTY_VERSION);
          return options;
      }
  
      @Override
      public Set<ConfigOption<?>> requiredOptions() {
          final Set<ConfigOption<?>> options = new HashSet<>();
          options.add(KUDU_MASTERS);
          return options;
      }
  
      @Override
      public Catalog createCatalog(Context context) {
          final FactoryUtil.CatalogFactoryHelper helper =
                  FactoryUtil.createCatalogFactoryHelper(this, context);
          helper.validate();
          return new KuduDynamicCatalog(context.getName(),
                  helper.getOptions().get(KUDU_MASTERS));
      }
  
  }
  