| /** |
| * 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.distributedlog.acl; |
| |
| /** |
| * Access Control on stream operations |
| */ |
| public interface AccessControlManager { |
| |
| /** |
| * Whether allowing writing to a stream. |
| * |
| * @param stream |
| * Stream to write |
| * @return true if allowing writing to the given stream, otherwise false. |
| */ |
| boolean allowWrite(String stream); |
| |
| /** |
| * Whether allowing truncating a given stream. |
| * |
| * @param stream |
| * Stream to truncate |
| * @return true if allowing truncating a given stream. |
| */ |
| boolean allowTruncate(String stream); |
| |
| /** |
| * Whether allowing deleting a given stream. |
| * |
| * @param stream |
| * Stream to delete |
| * @return true if allowing deleting a given stream. |
| */ |
| boolean allowDelete(String stream); |
| |
| /** |
| * Whether allowing proxies to acquire a given stream. |
| * |
| * @param stream |
| * stream to acquire |
| * @return true if allowing proxies to acquire the given stream. |
| */ |
| boolean allowAcquire(String stream); |
| |
| /** |
| * Whether allowing proxies to release ownership for a given stream. |
| * |
| * @param stream |
| * stream to release |
| * @return true if allowing proxies to release a given stream. |
| */ |
| boolean allowRelease(String stream); |
| |
| /** |
| * Close the access control manager. |
| */ |
| void close(); |
| } |