28 lines
872 B
JavaScript
28 lines
872 B
JavaScript
|
var _ = require('underscore');
|
||
|
|
var Poller = require('./poller');
|
||
|
|
|
||
|
|
var ImportModelPoller = function (model) {
|
||
|
|
var POLLING_INTERVAL = 2000; // Interval time between poll checkings
|
||
|
|
var POLLING_INTERVAL_MULTIPLIER = 2.5; // Multiply interval by this number
|
||
|
|
var POLLING_REQUESTS_BEFORE_INTERVAL_CHANGE = 30; // Max tries until interval change
|
||
|
|
|
||
|
|
var options = {
|
||
|
|
interval: function (numberOfRequests) {
|
||
|
|
if (numberOfRequests >= POLLING_REQUESTS_BEFORE_INTERVAL_CHANGE) {
|
||
|
|
return POLLING_INTERVAL * POLLING_INTERVAL_MULTIPLIER;
|
||
|
|
}
|
||
|
|
return POLLING_INTERVAL;
|
||
|
|
},
|
||
|
|
stopWhen: function (model) {
|
||
|
|
var state = model.get('state');
|
||
|
|
return (state === 'complete' || state === 'failure');
|
||
|
|
}
|
||
|
|
};
|
||
|
|
|
||
|
|
Poller.call(this, model, options);
|
||
|
|
};
|
||
|
|
|
||
|
|
ImportModelPoller.prototype = _.extend({}, Poller.prototype);
|
||
|
|
|
||
|
|
module.exports = ImportModelPoller;
|