| /* |
| * 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.gossip.crdt; |
| |
| import java.util.Map; |
| import java.util.Set; |
| import java.util.UUID; |
| |
| import com.fasterxml.jackson.annotation.JsonCreator; |
| import com.fasterxml.jackson.annotation.JsonIgnore; |
| import com.fasterxml.jackson.annotation.JsonProperty; |
| import com.fasterxml.jackson.core.Version; |
| import com.fasterxml.jackson.databind.module.SimpleModule; |
| |
| abstract class OrSetMixin<E> { |
| @JsonCreator |
| OrSetMixin(@JsonProperty("elements") Map<E, Set<UUID>> w, @JsonProperty("tombstones") Map<E, Set<UUID>> h) { } |
| @JsonProperty("elements") abstract Map<E, Set<UUID>> getElements(); |
| @JsonProperty("tombstones") abstract Map<E, Set<UUID>> getTombstones(); |
| @JsonIgnore abstract boolean isEmpty(); |
| } |
| |
| abstract class GrowOnlySetMixin<E>{ |
| @JsonCreator |
| GrowOnlySetMixin(@JsonProperty("elements") Set<E> elements){ } |
| @JsonProperty("elements") abstract Set<E> getElements(); |
| @JsonIgnore abstract boolean isEmpty(); |
| } |
| |
| abstract class GrowOnlyCounterMixin { |
| @JsonCreator |
| GrowOnlyCounterMixin(@JsonProperty("counters") Map<String, Long> counters) { } |
| @JsonProperty("counters") abstract Map<String, Long> getCounters(); |
| } |
| |
| //If anyone wants to take a stab at this. please have at it |
| //https://github.com/FasterXML/jackson-datatype-guava/blob/master/src/main/java/com/fasterxml/jackson/datatype/guava/ser/MultimapSerializer.java |
| public class CrdtModule extends SimpleModule { |
| |
| private static final long serialVersionUID = 6134836523275023418L; |
| |
| public CrdtModule() { |
| super("CrdtModule", new Version(0, 0, 0, "0.0.0", "org.apache.gossip", "gossip")); |
| } |
| |
| @Override |
| public void setupModule(SetupContext context) { |
| context.setMixInAnnotations(OrSet.class, OrSetMixin.class); |
| context.setMixInAnnotations(GrowOnlySet.class, GrowOnlySetMixin.class); |
| context.setMixInAnnotations(GrowOnlyCounter.class, GrowOnlyCounterMixin.class); |
| } |
| |
| } |
| |