@omneedia/socketcluster/sample/node_modules/sc-channel/index.js

SocketCluster - A Highly parallelized WebSocket server cluster to make the most of multi-core machines/instances.

var Emitter = require('component-emitter');

var SCChannel = function (name, client, options) {
  var self = this;

  Emitter.call(this);

  this.PENDING = 'pending';
  this.SUBSCRIBED = 'subscribed';
  this.UNSUBSCRIBED = 'unsubscribed';

  this.name = name;
  this.state = this.UNSUBSCRIBED;
  this.client = client;

  this.options = options || {};
  this.setOptions(this.options);
};

SCChannel.prototype = Object.create(Emitter.prototype);

SCChannel.prototype.setOptions = function (options) {
  if (!options) {
    options = {};
  }
  this.waitForAuth = options.waitForAuth || false;
  this.batch = options.batch || false;

  if (options.data !== undefined) {
    this.data = options.data;
  }
};

SCChannel.prototype.getState = function () {
  return this.state;
};

SCChannel.prototype.subscribe = function (options) {
  this.client.subscribe(this.name, options);
};

SCChannel.prototype.unsubscribe = function () {
  this.client.unsubscribe(this.name);
};

SCChannel.prototype.isSubscribed = function (includePending) {
  return this.client.isSubscribed(this.name, includePending);
};

SCChannel.prototype.publish = function (data, callback) {
  this.client.publish(this.name, data, callback);
};

SCChannel.prototype.watch = function (handler) {
  this.client.watch(this.name, handler);
};

SCChannel.prototype.unwatch = function (handler) {
  this.client.unwatch(this.name, handler);
};

SCChannel.prototype.watchers = function () {
  return this.client.watchers(this.name);
};

SCChannel.prototype.destroy = function () {
  this.client.destroyChannel(this.name);
};

module.exports.SCChannel = SCChannel;