chatConnectionHandler.js

// Copyright 2017, Google, Inc.
// Licensed 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.

// Base class for handling connections to clients
class ChatConnectionHandler {
  constructor (socket, messageRouter, onDisconnect) {
    // A socket.io socket corresponding to this connection
    this.socket = socket;
    // A MessageRouter used by this application
    this.router = messageRouter;
    // Callback that performs any cleanup work after this client disconnects
    this.onDisconnect = onDisconnect;
  }

  // Perform any initialization in the implementation of this function
  init () {
    throw new Error('init function was not implemented');
  }

  // Attach any connection event handlers in the implementation of this function
  attachHandlers () {
    throw new Error('attachHandlers function was not implemented');
  }
}

module.exports = ChatConnectionHandler;