| /* |
| * 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.jackrabbit.oak.remote; |
| |
| /** |
| * A repository revision represents an immutable state of the repository. |
| * <p> |
| * Having a revision allows you to perform repeatable reads, because it is |
| * assured that the state referenced by the revision is immutable. |
| * <p> |
| * The revision also allows the system to reference a known state of the |
| * repository when changes are committed. Since a revision references an |
| * immutable state, committing some changes will create a new state of the |
| * repository that will be referenced by a new revision. |
| */ |
| public interface RemoteRevision { |
| |
| /** |
| * Returns a string representation of the revision. This representation can |
| * be used as a reference by an external system and converted to a {@code |
| * RemoteRevision} object using {@link RemoteSession#readRevision(String)}. |
| * |
| * @return A string representation of the revision. |
| */ |
| String asString(); |
| |
| } |