| /* |
| * 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.flink.annotation; |
| |
| import java.lang.annotation.Documented; |
| |
| /** |
| * Annotation to inform users of how much to rely on a particular package, |
| * class or method not changing over time. |
| */ |
| public class InterfaceStability { |
| |
| /** |
| * Stable APIs that retain source and binary compatibility within a major release. |
| * These interfaces can change from one major release to another major release |
| * (e.g. from 1.0 to 2.0). |
| */ |
| @Documented |
| public @interface Stable {}; |
| |
| /** |
| * APIs that are meant to evolve towards becoming stable APIs, but are not stable APIs yet. |
| * Evolving interfaces can change from one feature release to another release (i.e. 2.1 to 2.2). |
| */ |
| @Documented |
| public @interface Evolving {}; |
| |
| /** |
| * Unstable APIs, with no guarantee on stability. |
| * Classes that are unannotated are considered Unstable. |
| */ |
| @Documented |
| public @interface Unstable {}; |
| } |