/*
 * 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.guacamole.auth.jdbc.permission;

import org.apache.guacamole.auth.jdbc.user.UserModel;
import org.apache.ibatis.annotations.Param;
import org.apache.guacamole.net.auth.permission.SystemPermission;

/**
 * Mapper for system-level permissions.
 *
 * @author Michael Jumper
 */
public interface SystemPermissionMapper extends PermissionMapper<SystemPermissionModel> {

    /**
     * Retrieve the permission of the given type associated with the given
     * user, if it exists. If no such permission exists, null is returned.
     *
     * @param user
     *     The user to retrieve permissions for.
     * 
     * @param type
     *     The type of permission to return.
     *
     * @return
     *     The requested permission, or null if no such permission is granted
     *     to the given user.
     */
    SystemPermissionModel selectOne(@Param("user") UserModel user,
            @Param("type") SystemPermission.Type type);

}