<!DOCTYPE html>

<html lang="en">
<head>
	<meta charset="utf-8">
	<title>DocStrap Source: node-query.js</title>

	<!--[if lt IE 9]>
	<script src="//html5shiv.googlecode.com/svn/trunk/html5.js"></script>
	<![endif]-->
	<link type="text/css" rel="stylesheet" href="styles/sunlight.default.css">

	<link type="text/css" rel="stylesheet" href="styles/site.cosmo.css">

</head>

<body>
<div class="container-fluid">
	<div class="navbar navbar-fixed-top navbar-inverse">
		<div class="navbar-inner">
			<a class="brand" href="index.html">DocStrap</a>
			<ul class="nav">
				
				<li class="dropdown">
					<a href="modules.list.html" class="dropdown-toggle" data-toggle="dropdown">Modules<b
						class="caret"></b></a>

					<ul class="dropdown-menu ">
						
						<li>
							<a href="module-adapter.html">adapter</a>
						</li>
						
						<li>
							<a href="module-driver.html">driver</a>
						</li>
						
						<li>
							<a href="module-helpers.html">helpers</a>
						</li>
						
						<li>
							<a href="module-node-query.html">node-query</a>
						</li>
						
						<li>
							<a href="module-query-builder.html">query-builder</a>
						</li>
						
						<li>
							<a href="module-query-parser.html">query-parser</a>
						</li>
						
						<li>
							<a href="module-State.html">State</a>
						</li>
						

					</ul>
				</li>
				
			</ul>
		</div>
	</div>

	<div class="row-fluid">

		
			<div class="span12">
				
				<div id="main">
					


		<h1 class="page-title">Source: node-query.js</h1>
    
<section>
	<article>
		<pre
			class="sunlight-highlight-javascript linenums">"use strict";

/** @module node-query */
var NodeQuery = function() {

	var instance = null;

	/**
	 * Create a query builder object
	 *
	 * @alias module:node-query
	 * @param {String} drivername - The name of the database type, eg. mysql or pg
	 * @param {Object} connObject - A connection object from the database library you are connecting with
	 * @param {String} [connLib] - The name of the db connection library you are using, eg. mysql or mysql2. Optional if the same as drivername
	 * @return {queryBuilder}
	 */
	this.init = function (driverType, connObject, connLib) {
		connLib = connLib || driverType;

		var fs = require('fs'),
			qb = require('./query-builder');

		var paths = {
			driver: __dirname + '/drivers/' + driverType + '.js',
			adapter: __dirname + '/adapters/' + connLib + '.js'
		};

		Object.keys(paths).forEach(function(type) {
			if ( ! fs.existsSync(paths[type]))
			{
				console.log(paths[type]);
				throw new Error('Selected ' + type + ' does not exist!');
			}
		});

		instance = qb(require(paths.driver), require(paths.adapter)(connObject));

		return instance;
	};

	/**
	 * Return an existing query builder instance
	 *
	 * @return {queryBuilder}
	 */
	this.getQuery = function () {
		if ( ! instance) {
			throw new Error("No Query Builder instance to return");
		}

		return instance;
	};

};



module.exports = new NodeQuery();</pre>
	</article>
</section>





				</div>

				<div class="clearfix"></div>
				<footer>
					
					
		<span class="copyright">
		DocStrap Copyright © 2012-2014 The contributors to the JSDoc3 and DocStrap projects.
		</span>
					<br />
					
		<span class="jsdoc-message">
		Documentation generated by <a href="https://github.com/jsdoc3/jsdoc">JSDoc 3.3.0-beta1</a>
		on Wed Jan 28th 2015 using the <a
			href="https://github.com/terryweiss/docstrap">DocStrap template</a>.
		</span>
				</footer>
			</div>

			
			<br clear="both">
		</div>

	</div>
	<!--<script src="scripts/sunlight.js"></script>-->
	<script src="scripts/docstrap.lib.js"></script>
	<script src="scripts/bootstrap-dropdown.js"></script>
	<script src="scripts/toc.js"></script>

	<script>
		$( function () {
			$( "[id*='$']" ).each( function () {
				var $this = $( this );

				$this.attr( "id", $this.attr( "id" ).replace( "$", "__" ) );
			} );

			$( "#toc" ).toc( {
				anchorName  : function ( i, heading, prefix ) {
					return $( heading ).attr( "id" ) || ( prefix + i );
				},
				selectors   : "h1,h2,h3,h4",
				showAndHide : false,
				scrollTo    : "100px"
			} );

			$( "#toc>ul" ).addClass( "nav nav-pills nav-stacked" );
			$( "#main span[id^='toc']" ).addClass( "toc-shim" );
			$( '.dropdown-toggle' ).dropdown();
//			$( ".tutorial-section pre, .readme-section pre" ).addClass( "sunlight-highlight-javascript" ).addClass( "linenums" );

			$( ".tutorial-section pre, .readme-section pre" ).each( function () {
				var $this = $( this );

				var example = $this.find( "code" );
				exampleText = example.html();
				var lang = /{@lang (.*?)}/.exec( exampleText );
				if ( lang && lang[1] ) {
					exampleText = exampleText.replace( lang[0], "" );
					example.html( exampleText );
					lang = lang[1];
				} else {
					lang = "javascript";
				}

				if ( lang ) {

					$this
						.addClass( "sunlight-highlight-" + lang )
						.addClass( "linenums" )
						.html( example.html() );

				}
			} );

			Sunlight.highlightAll( {
				lineNumbers : true,
				showMenu : true,
				enableDoclinks : true
			} );
		} );
	 </script>



	<!--Navigation and Symbol Display-->
	


	<!--Google Analytics-->
	

</body>
</html>