| // 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.impala.authorization; |
| |
| /** |
| * A singleton class that represents a special user type used for internal Impala |
| * sessions (for example, populating the debug webpage Catalog view). This user has |
| * all privileges on all objects in the server. |
| */ |
| public class ImpalaInternalAdminUser extends User { |
| private final static ImpalaInternalAdminUser instance_ = new ImpalaInternalAdminUser(); |
| |
| private ImpalaInternalAdminUser() { |
| super("Impala Internal Admin User"); |
| } |
| |
| /* |
| * Returns an instance of the ImpalaInternalAdminUser. |
| */ |
| public static ImpalaInternalAdminUser getInstance() { return instance_; } |
| } |