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.Set;
  
  import org.apache.cassandra.config.DatabaseDescriptor;
  import org.apache.cassandra.utils.Pair;
  
  public class PermissionsCache extends AuthCache<Pair<AuthenticatedUser, IResource>, Set<Permission>>
          implements PermissionsCacheMBean
  {
      public PermissionsCache(IAuthorizer authorizer)
      {
          super(CACHE_NAME,
                DatabaseDescriptor::setPermissionsValidity,
                DatabaseDescriptor::getPermissionsValidity,
                DatabaseDescriptor::setPermissionsUpdateInterval,
                DatabaseDescriptor::getPermissionsUpdateInterval,
                DatabaseDescriptor::setPermissionsCacheMaxEntries,
                DatabaseDescriptor::getPermissionsCacheMaxEntries,
                DatabaseDescriptor::setPermissionsCacheActiveUpdate,
                DatabaseDescriptor::getPermissionsCacheActiveUpdate,
                (p) -> authorizer.authorize(p.left, p.right),
                authorizer.bulkLoader(),
                authorizer::requireAuthorization);
      }
  
      public Set<Permission> getPermissions(AuthenticatedUser user, IResource resource)
      {
          return get(Pair.create(user, resource));
      }
  
      public void invalidatePermissions(String roleName, String resourceName)
      {
          invalidate(Pair.create(new AuthenticatedUser(roleName), Resources.fromName(resourceName)));
      }
  }
  