/* * 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 org.apache.twill.api.TwillRunResources; import org.apache.twill.internal.DefaultTwillRunResources; import java.lang.reflect.Type; /** * Codec for serializing and deserializing a {@link org.apache.twill.api.TwillRunResources} object using json. */ public final class TwillRunResourcesCodec implements JsonSerializer<TwillRunResources>, JsonDeserializer<TwillRunResources> { @Override public JsonElement serialize(TwillRunResources src, Type typeOfSrc, JsonSerializationContext context) { JsonObject json = new JsonObject(); json.addProperty("containerId", src.getContainerId()); json.addProperty("instanceId", src.getInstanceId()); json.addProperty("host", src.getHost()); json.addProperty("memoryMB", src.getMemoryMB()); json.addProperty("virtualCores", src.getVirtualCores()); return json; } @Override public TwillRunResources deserialize(JsonElement json, Type typeOfT, JsonDeserializationContext context) throws JsonParseException { JsonObject jsonObj = json.getAsJsonObject(); return new DefaultTwillRunResources(jsonObj.get("instanceId").getAsInt(), jsonObj.get("containerId").getAsString(), jsonObj.get("virtualCores").getAsInt(), jsonObj.get("memoryMB").getAsInt(), jsonObj.get("host").getAsString()); } }