| /* |
| * 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; |
| |
| import org.apache.flink.annotation.Public; |
| |
| import java.util.Arrays; |
| import java.util.LinkedHashSet; |
| import java.util.Map; |
| import java.util.Optional; |
| import java.util.Set; |
| import java.util.function.Function; |
| import java.util.stream.Collectors; |
| import java.util.stream.Stream; |
| |
| /** |
| * Enumeration for Flink versions. |
| * |
| * <p>It used for API versioning, during SQL/Table API upgrades, and for migration tests. |
| */ |
| @Public |
| public enum FlinkVersion { |
| |
| // NOTE: the version strings must not change, |
| // as they are used to locate snapshot file paths. |
| // The definition order (enum ordinal) matters for performing version arithmetic. |
| v1_3("1.3"), |
| v1_4("1.4"), |
| v1_5("1.5"), |
| v1_6("1.6"), |
| v1_7("1.7"), |
| v1_8("1.8"), |
| v1_9("1.9"), |
| v1_10("1.10"), |
| v1_11("1.11"), |
| v1_12("1.12"), |
| v1_13("1.13"), |
| v1_14("1.14"), |
| v1_15("1.15"); |
| |
| private final String versionStr; |
| |
| FlinkVersion(String versionStr) { |
| this.versionStr = versionStr; |
| } |
| |
| @Override |
| public String toString() { |
| return versionStr; |
| } |
| |
| public boolean isNewerVersionThan(FlinkVersion otherVersion) { |
| return this.ordinal() > otherVersion.ordinal(); |
| } |
| |
| /** Returns all versions within the defined range, inclusive both start and end. */ |
| public static Set<FlinkVersion> rangeOf(FlinkVersion start, FlinkVersion end) { |
| return Stream.of(FlinkVersion.values()) |
| .filter(v -> v.ordinal() >= start.ordinal() && v.ordinal() <= end.ordinal()) |
| .collect(Collectors.toCollection(LinkedHashSet::new)); |
| } |
| |
| private static final Map<String, FlinkVersion> CODE_MAP = |
| Arrays.stream(values()) |
| .collect(Collectors.toMap(v -> v.versionStr, Function.identity())); |
| |
| public static Optional<FlinkVersion> byCode(String code) { |
| return Optional.ofNullable(CODE_MAP.get(code)); |
| } |
| |
| /** Returns the current version. */ |
| public static FlinkVersion current() { |
| return values()[values().length - 1]; |
| } |
| } |