jsmdb/lib/synqueue.js

JSMumps Database Component

/*
 * JSMumps Database API
 * 
 * synqueue.js: implementation of the synchronous queue
 *
 * 
 * Copyright (C) 2020, 2021 Coherent Logic Development LLC
 * 
 * Author: John P. Willis <jpw@coherent-logic.com>
 *
 */

function SynQueue(instance, callback)
{
	this.instance = instance;
	this.queue = [];
	this.callback = callback || function(result) {};

	return this;
}

SynQueue.prototype.enqueue = function(operation, global, subscripts) {
	this.queue.push({
		operation: operation,
		global: global,
		subscripts: subscripts
	});
};

SynQueue.prototype.empty = function() {
	this.queue = [];
};

SynQueue.prototype.run = function() {
	this.instance.dispatch("synQueueRun", this.queue, this.callback);
};

module.exports = SynQueue;