%PDF- <> %âãÏÓ endobj 2 0 obj <> endobj 3 0 obj <>/ExtGState<>/ProcSet[/PDF/Text/ImageB/ImageC/ImageI] >>/Annots[ 28 0 R 29 0 R] /MediaBox[ 0 0 595.5 842.25] /Contents 4 0 R/Group<>/Tabs/S>> endobj ºaâÚÎΞ-ÌE1ÍØÄ÷{òò2ÿ ÛÖ^ÔÀá TÎ{¦?§®¥kuµùÕ5sLOšuY>endobj 2 0 obj<>endobj 2 0 obj<>endobj 2 0 obj<>endobj 2 0 obj<> endobj 2 0 obj<>endobj 2 0 obj<>es 3 0 R>> endobj 2 0 obj<> ox[ 0.000000 0.000000 609.600000 935.600000]/Fi endobj 3 0 obj<> endobj 7 1 obj<>/ProcSet[/PDF/Text/ImageB/ImageC/ImageI]>>/Subtype/Form>> stream
var RetryOperation = require('./retry_operation');
exports.operation = function(options) {
var timeouts = exports.timeouts(options);
return new RetryOperation(timeouts, {
forever: options && options.forever,
unref: options && options.unref,
maxRetryTime: options && options.maxRetryTime
});
};
exports.timeouts = function(options) {
if (options instanceof Array) {
return [].concat(options);
}
var opts = {
retries: 10,
factor: 2,
minTimeout: 1 * 1000,
maxTimeout: Infinity,
randomize: false
};
for (var key in options) {
opts[key] = options[key];
}
if (opts.minTimeout > opts.maxTimeout) {
throw new Error('minTimeout is greater than maxTimeout');
}
var timeouts = [];
for (var i = 0; i < opts.retries; i++) {
timeouts.push(this.createTimeout(i, opts));
}
if (options && options.forever && !timeouts.length) {
timeouts.push(this.createTimeout(i, opts));
}
// sort the array numerically ascending
timeouts.sort(function(a,b) {
return a - b;
});
return timeouts;
};
exports.createTimeout = function(attempt, opts) {
var random = (opts.randomize)
? (Math.random() + 1)
: 1;
var timeout = Math.round(random * opts.minTimeout * Math.pow(opts.factor, attempt));
timeout = Math.min(timeout, opts.maxTimeout);
return timeout;
};
exports.wrap = function(obj, options, methods) {
if (options instanceof Array) {
methods = options;
options = null;
}
if (!methods) {
methods = [];
for (var key in obj) {
if (typeof obj[key] === 'function') {
methods.push(key);
}
}
}
for (var i = 0; i < methods.length; i++) {
var method = methods[i];
var original = obj[method];
obj[method] = function retryWrapper(original) {
var op = exports.operation(options);
var args = Array.prototype.slice.call(arguments, 1);
var callback = args.pop();
args.push(function(err) {
if (op.retry(err)) {
return;
}
if (err) {
arguments[0] = op.mainError();
}
callback.apply(this, arguments);
});
op.attempt(function() {
original.apply(obj, args);
});
}.bind(obj, original);
obj[method].options = options;
}
};