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.cassandra.auth;
  
  import java.util.Map;
  import java.util.function.BooleanSupplier;
  import java.util.function.Function;
  import java.util.function.Supplier;
  
  import org.apache.cassandra.config.DatabaseDescriptor;
  
  public class CIDRPermissionsCache extends AuthCache<RoleResource, CIDRPermissions>
  {
      public static final String CACHE_NAME = "CidrPermissionsCache";
  
      public CIDRPermissionsCache(Function<RoleResource, CIDRPermissions> loadFunction,
                                  Supplier<Map<RoleResource, CIDRPermissions>> bulkLoadFunction,
                                  BooleanSupplier cacheEnabledDelegate)
      {
          super(CACHE_NAME,
                DatabaseDescriptor::setRolesValidity,
                DatabaseDescriptor::getRolesValidity,
                DatabaseDescriptor::setRolesUpdateInterval,
                DatabaseDescriptor::getRolesUpdateInterval,
                DatabaseDescriptor::setRolesCacheMaxEntries,
                DatabaseDescriptor::getRolesCacheMaxEntries,
                DatabaseDescriptor::setRolesCacheActiveUpdate,
                DatabaseDescriptor::getRolesCacheActiveUpdate,
                loadFunction,
                bulkLoadFunction,
                cacheEnabledDelegate);
      }
  
      /**
       * Invalidate a role from CIDR permissions cache
       * @param roleName role for which to invalidate the cache
       * @return boolean returns true if given role found in the cache and invalidated, otherwise returns false
       */
      public boolean invalidateCidrPermissions(String roleName)
      {
          RoleResource role = RoleResource.role(roleName);
          if (cache.getIfPresent(role) == null)
              return false;
  
          invalidate(role);
          return true;
      }
  
      @Override
      protected void unregisterMBean()
      {
          super.unregisterMBean();
      }
  }
  