/* * Copyright 2019 Amazon.com, Inc. or its affiliates. All Rights Reserved. * * Licensed under the Apache License, Version 2.0 (the "License"). You may * not use this file except in compliance with the License. A copy of the * License is located at * * http://aws.amazon.com/apache2.0/ * * or in the "license" file accompanying this file. This file 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 com.amazonaws.samples.kaja.taxi.consumer.events.es; import com.google.gson.FieldNamingPolicy; import com.google.gson.Gson; import com.google.gson.GsonBuilder; public abstract class Document { private static final Gson gson = new GsonBuilder() .setFieldNamingPolicy(FieldNamingPolicy.LOWER_CASE_WITH_UNDERSCORES) .create(); public final long timestamp; public Document(long timestamp) { this.timestamp = timestamp; } @Override public String toString() { return gson.toJson(this); } }