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The Apache Cassandra Project develops a highly scalable second-generation distributed database, bringing together Dynamo's fully distributed design and Bigtable's ColumnFamily-based data model.

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/*
 * 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 org.apache.cassandra.config.DatabaseDescriptor;
import org.apache.cassandra.utils.MBeanWrapper;

public class NetworkPermissionsCache extends AuthCache implements NetworkPermissionsCacheMBean
{
    public NetworkPermissionsCache(INetworkAuthorizer authorizer)
    {
        super(CACHE_NAME,
              DatabaseDescriptor::setRolesValidity,
              DatabaseDescriptor::getRolesValidity,
              DatabaseDescriptor::setRolesUpdateInterval,
              DatabaseDescriptor::getRolesUpdateInterval,
              DatabaseDescriptor::setRolesCacheMaxEntries,
              DatabaseDescriptor::getRolesCacheMaxEntries,
              DatabaseDescriptor::setRolesCacheActiveUpdate,
              DatabaseDescriptor::getRolesCacheActiveUpdate,
              authorizer::authorize,
              authorizer.bulkLoader(),
              () -> DatabaseDescriptor.getAuthenticator().requireAuthentication());

        MBeanWrapper.instance.registerMBean(this, MBEAN_NAME_BASE + DEPRECATED_CACHE_NAME);
    }

    public void invalidateNetworkPermissions(String roleName)
    {
        invalidate(RoleResource.role(roleName));
    }

    @Override
    protected void unregisterMBean()
    {
        super.unregisterMBean();
        MBeanWrapper.instance.unregisterMBean(MBEAN_NAME_BASE + DEPRECATED_CACHE_NAME, MBeanWrapper.OnException.LOG);
    }
}