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.server.authorizer;
  
  import org.apache.kafka.common.acl.AclBinding;
  import org.apache.kafka.common.errors.ApiException;
  
  import java.util.Collection;
  import java.util.Collections;
  import java.util.Optional;
  
  public class AclDeleteResult {
      private final ApiException exception;
      private final Collection<AclBindingDeleteResult> aclBindingDeleteResults;
  
      public AclDeleteResult(ApiException exception) {
          this(Collections.emptySet(), exception);
      }
  
      public AclDeleteResult(Collection<AclBindingDeleteResult> deleteResults) {
          this(deleteResults, null);
      }
  
      private AclDeleteResult(Collection<AclBindingDeleteResult> deleteResults, ApiException exception) {
          this.aclBindingDeleteResults = deleteResults;
          this.exception = exception;
      }
  
      /**
       * Returns any exception while attempting to match ACL filter to delete ACLs.
       * If exception is empty, filtering has succeeded. See {@link #aclBindingDeleteResults()}
       * for deletion results for each filter.
       */
      public Optional<ApiException> exception() {
          return exception == null ? Optional.empty() : Optional.of(exception);
      }
  
      /**
       * Returns delete result for each matching ACL binding.
       */
      public Collection<AclBindingDeleteResult> aclBindingDeleteResults() {
          return aclBindingDeleteResults;
      }
  
  
      /**
       * Delete result for each ACL binding that matched a delete filter.
       */
      public static class AclBindingDeleteResult {
          private final AclBinding aclBinding;
          private final ApiException exception;
  
          public AclBindingDeleteResult(AclBinding aclBinding) {
              this(aclBinding, null);
          }
  
          public AclBindingDeleteResult(AclBinding aclBinding, ApiException exception) {
              this.aclBinding = aclBinding;
              this.exception = exception;
          }
  
          /**
           * Returns ACL binding that matched the delete filter. If {@link #exception()} is
           * empty, the ACL binding was successfully deleted.
           */
          public AclBinding aclBinding() {
              return aclBinding;
          }
  
          /**
           * Returns any exception that resulted in failure to delete ACL binding.
           * If exception is empty, the ACL binding was successfully deleted.
           */
          public Optional<ApiException> exception() {
              return exception == null ? Optional.empty() : Optional.of(exception);
          }
      }
  }
  