83 lines
1.8 KiB
JavaScript
83 lines
1.8 KiB
JavaScript
// Generated by CoffeeScript 1.8.0
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var MessageQueue, utils, _;
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_ = require('underscore');
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utils = require('./utils');
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module.exports = utils.registerClass(MessageQueue = (function() {
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function MessageQueue() {
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this.messages = [];
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this.closed = false;
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this.callback = null;
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this.timer = null;
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_.bindAll(this, '_timerExpired', '_updated');
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}
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MessageQueue.prototype.shutdown = function() {
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if (this.closed) {
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return;
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}
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this.closed = true;
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if (this.timer) {
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clearTimeout(this.timer);
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}
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if (this.callback) {
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this.callback.call(null, this.messages);
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}
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this.callback = null;
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this.messages = null;
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return this.timer = null;
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};
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MessageQueue.prototype.push = function(message) {
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if (this.closed) {
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return;
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}
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this.messages.push(message);
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return process.nextTick(this._updated);
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};
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MessageQueue.prototype.pullAll = function(timeout, callback) {
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if (this.closed) {
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return callback.call(null, null);
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}
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if (this.callback) {
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return callback.call(null, []);
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}
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if (this.messages.length) {
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callback.call(null, this.messages);
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this.messages = [];
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return;
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}
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this.callback = callback;
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return this.timer = setTimeout(this._timerExpired, timeout);
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};
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MessageQueue.prototype._timerExpired = function() {
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return this._updated();
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};
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MessageQueue.prototype._updated = function() {
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var callback, messages;
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if (this.closed) {
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return;
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}
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if (!this.callback) {
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return;
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}
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callback = this.callback;
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messages = this.messages;
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if (this.timer) {
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clearTimeout(this.timer);
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}
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this.callback = null;
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this.messages = [];
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this.timer = null;
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return callback.call(null, messages);
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};
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return MessageQueue;
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})());
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