How to use

SparkSpecificationCodec

in

co.cask.cdap.proto.codec

@Override
public SparkSpecification deserialize(JsonElement json, Type typeOfT, JsonDeserializationContext context)
 throws JsonParseException {
 JsonObject jsonObj = json.getAsJsonObject();
 String className = jsonObj.get("className").getAsString();
 String name = jsonObj.get("name").getAsString();
 String description = jsonObj.get("description").getAsString();
 Map<String, Plugin> plugins = deserializeMap(jsonObj.get("plugins"), context, Plugin.class);
 String mainClassName = jsonObj.has("mainClassName") ? jsonObj.get("mainClassName").getAsString() : null;
 Set<String> datasets = deserializeSet(jsonObj.get("datasets"), context, String.class);
 Map<String, String> properties = deserializeMap(jsonObj.get("properties"), context, String.class);
 Resources clientResources = deserializeResources(jsonObj, "client", context);
 Resources driverResources = deserializeResources(jsonObj, "driver", context);
 Resources executorResources = deserializeResources(jsonObj, "executor", context);
 List<SparkHttpServiceHandlerSpecification> handlers = deserializeList(jsonObj.get("handlers"), context,
                                    SparkHttpServiceHandlerSpecification.class);
 return new SparkSpecification(className, name, description, mainClassName, datasets,
                properties, clientResources, driverResources, executorResources, handlers, plugins);
}

@Override
public JsonElement serialize(SparkSpecification src, Type typeOfSrc, JsonSerializationContext context) {
 JsonObject jsonObj = new JsonObject();
 jsonObj.add("className", new JsonPrimitive(src.getClassName()));
 jsonObj.add("name", new JsonPrimitive(src.getName()));
 jsonObj.add("description", new JsonPrimitive(src.getDescription()));
 jsonObj.add("plugins", serializeMap(src.getPlugins(), context, Plugin.class));
 if (src.getMainClassName() != null) {
  jsonObj.add("mainClassName", new JsonPrimitive(src.getMainClassName()));
 }
 jsonObj.add("datasets", serializeSet(src.getDatasets(), context, String.class));
 jsonObj.add("properties", serializeMap(src.getProperties(), context, String.class));
 serializeResources(jsonObj, "client", context, src.getClientResources());
 serializeResources(jsonObj, "driver", context, src.getDriverResources());
 serializeResources(jsonObj, "executor", context, src.getExecutorResources());
 jsonObj.add("handlers", serializeList(src.getHandlers(), context, SparkHttpServiceHandlerSpecification.class));
 return jsonObj;
}

public static GsonBuilder addTypeAdapters(GsonBuilder builder) {
 return builder
  .registerTypeAdapter(Schema.class, new SchemaTypeAdapter())
  .registerTypeAdapter(ApplicationSpecification.class, new ApplicationSpecificationCodec())
  .registerTypeAdapter(MapReduceSpecification.class, new MapReduceSpecificationCodec())
  .registerTypeAdapter(SparkSpecification.class, new SparkSpecificationCodec())
  .registerTypeAdapter(WorkflowSpecification.class, new WorkflowSpecificationCodec())
  .registerTypeAdapter(WorkflowNode.class, new WorkflowNodeCodec())
  .registerTypeAdapter(CustomActionSpecification.class, new CustomActionSpecificationCodec())
  .registerTypeAdapter(ConditionSpecification.class, new ConditionSpecificationCodec())
  .registerTypeAdapter(ServiceSpecification.class, new ServiceSpecificationCodec())
  .registerTypeAdapter(WorkerSpecification.class, new WorkerSpecificationCodec())
  .registerTypeAdapter(BasicThrowable.class, new BasicThrowableCodec())
  .registerTypeAdapter(Trigger.class, new TriggerCodec())
  .registerTypeAdapter(SatisfiableTrigger.class, new TriggerCodec())
  .registerTypeAdapter(Constraint.class, new ConstraintCodec())
  .registerTypeAdapterFactory(new AppSpecTypeAdapterFactory());
}

@Override
public JsonElement serialize(SparkSpecification src, Type typeOfSrc, JsonSerializationContext context) {
 JsonObject jsonObj = new JsonObject();
 jsonObj.add("className", new JsonPrimitive(src.getClassName()));
 jsonObj.add("name", new JsonPrimitive(src.getName()));
 jsonObj.add("description", new JsonPrimitive(src.getDescription()));
 jsonObj.add("plugins", serializeMap(src.getPlugins(), context, Plugin.class));
 if (src.getMainClassName() != null) {
  jsonObj.add("mainClassName", new JsonPrimitive(src.getMainClassName()));
 }
 jsonObj.add("datasets", serializeSet(src.getDatasets(), context, String.class));
 jsonObj.add("properties", serializeMap(src.getProperties(), context, String.class));
 serializeResources(jsonObj, "client", context, src.getClientResources());
 serializeResources(jsonObj, "driver", context, src.getDriverResources());
 serializeResources(jsonObj, "executor", context, src.getExecutorResources());
 jsonObj.add("handlers", serializeList(src.getHandlers(), context, SparkHttpServiceHandlerSpecification.class));
 return jsonObj;
}

public static GsonBuilder addTypeAdapters(GsonBuilder builder) {
 return builder
  .registerTypeAdapter(Schema.class, new SchemaTypeAdapter())
  .registerTypeAdapter(ApplicationSpecification.class, new ApplicationSpecificationCodec())
  .registerTypeAdapter(FlowSpecification.class, new FlowSpecificationCodec())
  .registerTypeAdapter(FlowletSpecification.class, new FlowletSpecificationCodec())
  .registerTypeAdapter(MapReduceSpecification.class, new MapReduceSpecificationCodec())
  .registerTypeAdapter(SparkSpecification.class, new SparkSpecificationCodec())
  .registerTypeAdapter(WorkflowSpecification.class, new WorkflowSpecificationCodec())
  .registerTypeAdapter(WorkflowNode.class, new WorkflowNodeCodec())
  .registerTypeAdapter(CustomActionSpecification.class, new CustomActionSpecificationCodec())
  .registerTypeAdapter(ConditionSpecification.class, new ConditionSpecificationCodec())
  .registerTypeAdapter(ServiceSpecification.class, new ServiceSpecificationCodec())
  .registerTypeAdapter(WorkerSpecification.class, new WorkerSpecificationCodec())
  .registerTypeAdapter(BasicThrowable.class, new BasicThrowableCodec())
  .registerTypeAdapter(Trigger.class, new TriggerCodec())
  .registerTypeAdapter(SatisfiableTrigger.class, new TriggerCodec())
  .registerTypeAdapter(Constraint.class, new ConstraintCodec())
  .registerTypeAdapterFactory(new AppSpecTypeAdapterFactory());
}

@Override
public SparkSpecification deserialize(JsonElement json, Type typeOfT, JsonDeserializationContext context)
 throws JsonParseException {
 JsonObject jsonObj = json.getAsJsonObject();
 String className = jsonObj.get("className").getAsString();
 String name = jsonObj.get("name").getAsString();
 String description = jsonObj.get("description").getAsString();
 Map<String, Plugin> plugins = deserializeMap(jsonObj.get("plugins"), context, Plugin.class);
 String mainClassName = jsonObj.has("mainClassName") ? jsonObj.get("mainClassName").getAsString() : null;
 Set<String> datasets = deserializeSet(jsonObj.get("datasets"), context, String.class);
 Map<String, String> properties = deserializeMap(jsonObj.get("properties"), context, String.class);
 Resources clientResources = deserializeResources(jsonObj, "client", context);
 Resources driverResources = deserializeResources(jsonObj, "driver", context);
 Resources executorResources = deserializeResources(jsonObj, "executor", context);
 List<SparkHttpServiceHandlerSpecification> handlers = deserializeList(jsonObj.get("handlers"), context,
                                    SparkHttpServiceHandlerSpecification.class);
 return new SparkSpecification(className, name, description, mainClassName, datasets,
                properties, clientResources, driverResources, executorResources, handlers, plugins);
}