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cluster-emitter

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cluster-emitter

cluster-emitter ===============

  • 0.5.0-SNAPSHOT.1388501015412
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cluster-emitter

an EventEmitter to let workers & master communicate smoothly

var emitter = require('cluster-emitter');

emitter.on('event', function callback(){
	//an event callback
});

emitter.once('event', function callbackOnce(){
	//another event callback
});

emitter.removeListener('event', callback);
emitter.removeListener('event', callbackOnce);
emitter.removeAllListeners('event');

emitter.emit('event', 'arg0', 'arg1');
//it varies in master and worker runtime, in master it's the same as saying
emitter.to(['self'].concat(_.map(cluster.workers, function(w){return w.process.pid;}))).emit('event', 'arg0', 'arg1');
//as this indicates, the master's emit target by default is everybody, master itself and all active workers
//and in worker runtime, it's intepreted as worker itself and master
emitter.to(['self', 'master'].emit('event', 'arg0', 'arg1');
//you don't have to use the different `emitTo` method unless you have a different targets set from the default explained above.
//but in cause you need, it's also simplified as:
emitter.to(['master']).emit('event', 'arg0', 'arg1');
//use to method to scope the target differently, the value should be an array of pids, or 'master', or 'self'

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Package last updated on 31 Dec 2013

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