content: /*
   * Copyright 2021-2024 Aklivity Inc.
   *
   * Aklivity 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 io.aklivity.zilla.runtime.engine.internal.registry;
  
  import static java.util.Objects.requireNonNull;
  
  import io.aklivity.zilla.runtime.engine.catalog.CatalogContext;
  import io.aklivity.zilla.runtime.engine.catalog.CatalogHandler;
  import io.aklivity.zilla.runtime.engine.config.CatalogConfig;
  
  public class CatalogRegistry
  {
      private final CatalogConfig config;
      private final CatalogContext context;
  
      private CatalogHandler attached;
  
      CatalogRegistry(
          CatalogConfig config,
          CatalogContext context)
      {
          this.config = requireNonNull(config);
          this.context = requireNonNull(context);
      }
  
      public void attach()
      {
          attached = context.attach(config);
      }
  
      public void detach()
      {
          context.detach(config);
          attached = null;
      }
  
      public CatalogHandler handler()
      {
          return attached;
      }
  
  }
  