/* * 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.zeppelin.notebook.socket; import com.google.gson.Gson; /** * Zeppelin websocket massage template class for watcher socket. */ public class WatcherMessage { public String message; public String noteId; public String subject; private static final Gson gson = new Gson(); public static Builder builder(String noteId) { return new Builder(noteId); } private WatcherMessage(Builder builder) { this.noteId = builder.noteId; this.message = builder.message; this.subject = builder.subject; } public String serialize() { return gson.toJson(this); } /** * Simple builder. */ public static class Builder { private final String noteId; private String subject; private String message; public Builder(String noteId) { this.noteId = noteId; } public Builder subject(String subject) { this.subject = subject; return this; } public Builder message(String message) { this.message = message; return this; } public WatcherMessage build() { return new WatcherMessage(this); } } }