Class: PubSub

var PubSub = caph.require('PubSub');
var publisher = new PubSub();
var Subscriber = function(message, topic) {
   console.debug(message, topic);
}
publisher.on('moduleA.topic', Subscriber );
publisher.fire('moduleA.topic', { works : 'ok' } );

Methods

fire(topic, message)

Publishes the given topic with the given meesage.

Parameters:

Name	Type	Description
topic	string	A topic to be published.
message	Object	A detailed data of the topic to be published.

Since:

• 2.0.0

Example

var PubSub = caph.require('pattern.PubSub');
 var publisher = new PubSub();
 var Subscriber = function(message, topic) {
     console.log('fired');                               //this console.log will be called if the fire is successfully
 }
 publisher.on('moduleA.topic', Subscriber );
 publisher.fire('moduleA.topic', { works : 'ok' } );

off(topic, listener)

Unsubscribes the given topic and unbind the given function with it.

Parameters:

Name	Type	Description
topic	string	An unique string to represent a topic.
listener	callbackTopicPublished	A callback function to be invoked when the given topic is published.

Since:

• 2.0.0

Example

var PubSub = caph.require('pattern.PubSub');
 var publisher = new PubSub();
 var Subscriber = function(message, topic) {
     console.log(message, topic);
 }
 publisher.on('moduleA.topic', Subscriber );
 publisher.off('moduleA.topic', Subscriber );

on(topic, listener) → {Object}

Subscribes the given topic and bind the given function with it.

Parameters:

Name	Type	Description
topic	string	An unique string to represent a topic.
listener	callbackTopicPublished	A callback function to be invoked when the given topic is published.

Since:

• 2.0.0

Returns:

returns an object that publish the topic with the message

Type

Object

Example

var PubSub = caph.require('pattern.PubSub');
 var publisher = new PubSub();
 var Subscriber = function(message, topic) {
     console.log(message, topic);
 }
 publisher.on('moduleA.topic', Subscriber );