| /* |
| * 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.twill.internal.json; |
| |
| import com.google.gson.JsonDeserializationContext; |
| import com.google.gson.JsonDeserializer; |
| import com.google.gson.JsonElement; |
| import com.google.gson.JsonObject; |
| import com.google.gson.JsonParseException; |
| import com.google.gson.JsonSerializationContext; |
| import com.google.gson.JsonSerializer; |
| import com.google.gson.reflect.TypeToken; |
| import org.apache.twill.api.ResourceReport; |
| import org.apache.twill.api.TwillRunResources; |
| import org.apache.twill.api.logging.LogEntry; |
| import org.apache.twill.internal.DefaultResourceReport; |
| |
| import java.lang.reflect.Type; |
| import java.util.Collection; |
| import java.util.List; |
| import java.util.Map; |
| |
| /** |
| * Codec for serializing and deserializing a {@link ResourceReport} object using json. |
| */ |
| public final class ResourceReportCodec implements JsonSerializer<ResourceReport>, |
| JsonDeserializer<ResourceReport> { |
| |
| @Override |
| public JsonElement serialize(ResourceReport src, Type typeOfSrc, JsonSerializationContext context) { |
| JsonObject json = new JsonObject(); |
| |
| json.addProperty("appMasterId", src.getApplicationId()); |
| json.add("appMasterResources", context.serialize(src.getAppMasterResources(), TwillRunResources.class)); |
| json.add("runnableResources", context.serialize( |
| src.getResources(), new TypeToken<Map<String, Collection<TwillRunResources>>>() { }.getType())); |
| json.add("services", context.serialize( |
| src.getServices(), new TypeToken<List<String>>() { }.getType())); |
| return json; |
| } |
| |
| @Override |
| public ResourceReport deserialize(JsonElement json, Type typeOfT, |
| JsonDeserializationContext context) throws JsonParseException { |
| JsonObject jsonObj = json.getAsJsonObject(); |
| String appMasterId = jsonObj.get("appMasterId").getAsString(); |
| TwillRunResources masterResources = context.deserialize( |
| jsonObj.get("appMasterResources"), TwillRunResources.class); |
| Map<String, Collection<TwillRunResources>> resources = context.deserialize( |
| jsonObj.get("runnableResources"), new TypeToken<Map<String, Collection<TwillRunResources>>>() { }.getType()); |
| List<String> services = context.deserialize( |
| jsonObj.get("services"), new TypeToken<List<String>>() { }.getType()); |
| |
| return new DefaultResourceReport(appMasterId, masterResources, resources, services); |
| } |
| } |