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.kafka.metadata.authorizer;
  
  import org.apache.kafka.common.acl.AclBinding;
  import org.apache.kafka.common.acl.AclBindingFilter;
  import org.apache.kafka.controller.ControllerRequestContext;
  import org.apache.kafka.server.authorizer.AclCreateResult;
  import org.apache.kafka.server.authorizer.AclDeleteResult;
  
  import java.util.List;
  import java.util.concurrent.CompletableFuture;
  
  
  /**
   * An interface implemented by the QuorumController to implement ACL create and delete
   * operations for ClusterMetadataAuthorizer instances.
   *
   * These methods must all be thread-safe.
   */
  public interface AclMutator {
      /**
       * Create the specified ACLs. If any ACL already exists, nothing will be done for that
       * one, and we will return a success result for it.
       *
       * @param context       The controller request context.
       * @param aclBindings   The ACLs to create.
       *
       * @return              The results for each AclBinding, in the order they were passed.
       */
      CompletableFuture<List<AclCreateResult>> createAcls(
          ControllerRequestContext context,
          List<AclBinding> aclBindings
      );
  
      /**
       * Delete some ACLs based on the set of filters that is passed in.
       *
       * @param context               The controller request context.
       * @param aclBindingFilters     The filters.
       *
       * @return                      The results for each filter, in the order they were passed.
       */
      CompletableFuture<List<AclDeleteResult>> deleteAcls(
          ControllerRequestContext context,
          List<AclBindingFilter> aclBindingFilters
      );
  }
  