| /* |
| * 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.streaming.tests.verify; |
| |
| import org.apache.flink.api.common.state.MapState; |
| import org.apache.flink.api.common.state.MapStateDescriptor; |
| import org.apache.flink.api.common.state.State; |
| import org.apache.flink.api.common.typeutils.TypeSerializer; |
| import org.apache.flink.api.common.typeutils.base.StringSerializer; |
| import org.apache.flink.api.java.tuple.Tuple2; |
| import org.apache.flink.api.java.typeutils.runtime.TupleSerializer; |
| import org.apache.flink.runtime.state.FunctionInitializationContext; |
| |
| import javax.annotation.Nonnull; |
| |
| import java.util.ArrayList; |
| import java.util.List; |
| import java.util.Map; |
| import java.util.stream.Collectors; |
| import java.util.stream.IntStream; |
| import java.util.stream.StreamSupport; |
| |
| class TtlMapStateVerifier extends AbstractTtlStateVerifier< |
| MapStateDescriptor<String, String>, MapState<String, String>, |
| Map<String, String>, Tuple2<String, String>, Map<String, String>> { |
| private static final List<String> KEYS = new ArrayList<>(); |
| static { |
| IntStream.range(0, RANDOM.nextInt(5) + 5).forEach(i -> KEYS.add(randomString())); |
| } |
| |
| TtlMapStateVerifier() { |
| super(new MapStateDescriptor<>("TtlMapStateVerifier", StringSerializer.INSTANCE, StringSerializer.INSTANCE)); |
| } |
| |
| @Override |
| @Nonnull |
| State createState(@Nonnull FunctionInitializationContext context) { |
| return context.getKeyedStateStore().getMapState(stateDesc); |
| } |
| |
| @SuppressWarnings("unchecked") |
| @Override |
| @Nonnull |
| public TypeSerializer<Tuple2<String, String>> getUpdateSerializer() { |
| return new TupleSerializer( |
| Tuple2.class, new TypeSerializer[] {StringSerializer.INSTANCE, StringSerializer.INSTANCE}); |
| } |
| |
| @Override |
| @Nonnull |
| public Tuple2<String, String> generateRandomUpdate() { |
| return Tuple2.of(KEYS.get(RANDOM.nextInt(KEYS.size())), randomString()); |
| } |
| |
| @Override |
| @Nonnull |
| Map<String, String> getInternal(@Nonnull MapState<String, String> state) throws Exception { |
| return StreamSupport.stream(state.entries().spliterator(), false) |
| .collect(Collectors.toMap(Map.Entry::getKey, Map.Entry::getValue)); |
| } |
| |
| @Override |
| void updateInternal(@Nonnull MapState<String, String> state, Tuple2<String, String> update) throws Exception { |
| state.put(update.f0, update.f1); |
| } |
| |
| @Override |
| @Nonnull |
| Map<String, String> expected(@Nonnull List<ValueWithTs<Tuple2<String, String>>> updates, long currentTimestamp) { |
| return updates.stream() |
| .collect(Collectors.groupingBy(u -> u.getValue().f0)) |
| .entrySet().stream() |
| .map(e -> e.getValue().get(e.getValue().size() - 1)) |
| .filter(u -> !expired(u.getTimestamp(), currentTimestamp)) |
| .map(ValueWithTs::getValue) |
| .collect(Collectors.toMap(u -> u.f0, u -> u.f1)); |
| } |
| } |