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	<title>mobile and gis dev notes &#187; modelglue</title>
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	<description>by rupert</description>
	<lastBuildDate>Wed, 08 Feb 2012 22:26:15 +0000</lastBuildDate>
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		<title>ColdSpring bean creation magic&#8230;</title>
		<link>/wordpress/2007/02/coldspring-bean-creation-magic/</link>
		<comments>/wordpress/2007/02/coldspring-bean-creation-magic/#comments</comments>
		<pubDate>Thu, 01 Feb 2007 05:06:48 +0000</pubDate>
		<dc:creator>rupert</dc:creator>
				<category><![CDATA[coldspring]]></category>
		<category><![CDATA[modelglue]]></category>

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		<description><![CDATA[Adam describes some fun and exciting changes in ModelGlue Unity. I can now ditch cflocation by using argument.event.forward(&#8220;location.cfm&#8221;). Its just now that im loving ColdSpring, I think its much better to instantiate beans and set/create other objects using setters/getters through the property instead of constructor-arg. Here&#8217;s an example: &#60;cfcomponent displayname=&#34;UserService&#34; output=&#34;false&#34; hint=&#34;I am a UserService.&#34;&#62; [...]]]></description>
			<content:encoded><![CDATA[<p><a href="http://www.adamfortuna.com/2006/10/30/4-fun-uses-of-model-glue/">Adam describes some fun and exciting changes in ModelGlue Unity. </a>  I can now ditch cflocation by using argument.event.forward(&#8220;location.cfm&#8221;).</p>
<p>Its just now that im loving ColdSpring, I think its much better to instantiate beans and set/create other objects using setters/getters through the <em>property</em> instead of <em>constructor-arg</em>. Here&#8217;s an example:</p>

<div class="wp_syntax"><div class="code"><pre class="cfm" style="font-family:monospace;"><span style="color: #333333;"><span style="color: #0000FF;">&lt;</span><span style="color: #990000; font-weight: bold;">cfcomponent</span> displayname<span style="color: #0000FF;">=</span><span style="color: #009900;">&quot;UserService&quot;</span> output<span style="color: #0000FF;">=</span><span style="color: #009900;">&quot;false&quot;</span> <span style="color: #0000FF;">hint</span><span style="color: #0000FF;">=</span><span style="color: #009900;">&quot;I am a UserService.&quot;</span><span style="color: #0000FF;">&gt;</span></span>
	<span style="color: #333333;"><span style="color: #0000FF;">&lt;</span><span style="color: #990000; font-weight: bold;">cffunction</span> <span style="color: #0000FF;">name</span><span style="color: #0000FF;">=</span><span style="color: #009900;">&quot;init&quot;</span> <span style="color: #0000FF;">access</span><span style="color: #0000FF;">=</span><span style="color: #009900;">&quot;Public&quot;</span> returntype<span style="color: #0000FF;">=</span><span style="color: #009900;">&quot;UserService&quot;</span> output<span style="color: #0000FF;">=</span><span style="color: #009900;">&quot;false&quot;</span> <span style="color: #0000FF;">hint</span><span style="color: #0000FF;">=</span><span style="color: #009900;">&quot;I am a new UserService&quot;</span><span style="color: #0000FF;">&gt;</span></span>
		<span style="color: #333333;"><span style="color: #0000FF;">&lt;</span><span style="color: #990000; font-weight: bold;">cfreturn</span><span style="color: #0000FF;">&gt;</span></span>
	<span style="color: #333333;"><span style="color: #0000FF;">&lt;/</span><span style="color: #990000; font-weight: bold;">cfreturn</span><span style="color: #0000FF;">&gt;</span></span>
&nbsp;
	<span style="color: #333333;"><span style="color: #0000FF;">&lt;/</span><span style="color: #990000; font-weight: bold;">cffunction</span><span style="color: #0000FF;">&gt;</span></span><span style="color: #333333;"><span style="color: #0000FF;">&lt;</span><span style="color: #990000; font-weight: bold;">cffunction</span> <span style="color: #0000FF;">name</span><span style="color: #0000FF;">=</span><span style="color: #009900;">&quot;setUserGateway&quot;</span> returntype<span style="color: #0000FF;">=</span><span style="color: #009900;">&quot;void&quot;</span> <span style="color: #0000FF;">access</span><span style="color: #0000FF;">=</span><span style="color: #009900;">&quot;public&quot;</span> output<span style="color: #0000FF;">=</span><span style="color: #009900;">&quot;false&quot;</span> <span style="color: #0000FF;">hint</span><span style="color: #0000FF;">=</span><span style="color: #009900;">&quot;Dependency: UserService&quot;</span><span style="color: #0000FF;">&gt;</span></span>
		<span style="color: #333333;"><span style="color: #0000FF;">&lt;</span><span style="color: #990000; font-weight: bold;">cfargument</span> <span style="color: #0000FF;">name</span><span style="color: #0000FF;">=</span><span style="color: #009900;">&quot;userGateway&quot;</span> <span style="color: #0000FF;">type</span><span style="color: #0000FF;">=</span><span style="color: #009900;">&quot;cfcodetrack.model.UserGateway&quot;</span> <span style="color: #0000FF;">required</span><span style="color: #0000FF;">=</span><span style="color: #009900;">&quot;true&quot;</span><span style="color: #0000FF;">&gt;</span></span>
		<span style="color: #333333;"><span style="color: #0000FF;">&lt;</span><span style="color: #990000; font-weight: bold;">cfset</span> variables.usergateway<span style="color: #0000FF;">=</span><span style="color: #009900;">&quot;arguments.userGateway&quot;</span><span style="color: #0000FF;">&gt;</span></span>
	<span style="color: #333333;"><span style="color: #0000FF;">&lt;/</span><span style="color: #990000; font-weight: bold;">cfset</span><span style="color: #0000FF;">&gt;</span></span>
&nbsp;
	<span style="color: #333333;"><span style="color: #0000FF;">&lt;</span><span style="color: #990000; font-weight: bold;">cffunction</span> <span style="color: #0000FF;">name</span><span style="color: #0000FF;">=</span><span style="color: #009900;">&quot;getUserGateway&quot;</span> <span style="color: #0000FF;">access</span><span style="color: #0000FF;">=</span><span style="color: #009900;">&quot;public&quot;</span> returntype<span style="color: #0000FF;">=</span><span style="color: #009900;">&quot;cfcodetrack.model.UserGateway&quot;</span> output<span style="color: #0000FF;">=</span><span style="color: #009900;">&quot;false&quot;</span><span style="color: #0000FF;">&gt;</span></span>
		<span style="color: #333333;"><span style="color: #0000FF;">&lt;</span><span style="color: #990000; font-weight: bold;">cfreturn</span><span style="color: #0000FF;">&gt;</span></span>
	<span style="color: #333333;"><span style="color: #0000FF;">&lt;/</span><span style="color: #990000; font-weight: bold;">cfreturn</span><span style="color: #0000FF;">&gt;</span></span>	
&nbsp;
	<span style="color: #333333;"><span style="color: #0000FF;">&lt;/</span><span style="color: #990000; font-weight: bold;">cffunction</span><span style="color: #0000FF;">&gt;</span></span><span style="color: #333333;"><span style="color: #0000FF;">&lt;</span><span style="color: #990000; font-weight: bold;">cffunction</span> <span style="color: #0000FF;">name</span><span style="color: #0000FF;">=</span><span style="color: #009900;">&quot;authenticate&quot;</span> <span style="color: #0000FF;">access</span><span style="color: #0000FF;">=</span><span style="color: #009900;">&quot;public&quot;</span> returntype<span style="color: #0000FF;">=</span><span style="color: #009900;">&quot;string&quot;</span> output<span style="color: #0000FF;">=</span><span style="color: #009900;">&quot;false&quot;</span><span style="color: #0000FF;">&gt;</span></span>
		<span style="color: #333333;"><span style="color: #0000FF;">&lt;</span><span style="color: #990000; font-weight: bold;">cfargument</span> <span style="color: #0000FF;">name</span><span style="color: #0000FF;">=</span><span style="color: #009900;">&quot;username&quot;</span> <span style="color: #0000FF;">type</span><span style="color: #0000FF;">=</span><span style="color: #009900;">&quot;string&quot;</span> <span style="color: #0000FF;">required</span><span style="color: #0000FF;">=</span><span style="color: #009900;">&quot;true&quot;</span><span style="color: #0000FF;">&gt;</span></span>
		<span style="color: #333333;"><span style="color: #0000FF;">&lt;/</span><span style="color: #990000; font-weight: bold;">cfargument</span><span style="color: #0000FF;">&gt;</span></span><span style="color: #333333;"><span style="color: #0000FF;">&lt;</span><span style="color: #990000; font-weight: bold;">cfargument</span> <span style="color: #0000FF;">name</span><span style="color: #0000FF;">=</span><span style="color: #009900;">&quot;password&quot;</span> <span style="color: #0000FF;">type</span><span style="color: #0000FF;">=</span><span style="color: #009900;">&quot;string&quot;</span> <span style="color: #0000FF;">required</span><span style="color: #0000FF;">=</span><span style="color: #009900;">&quot;true&quot;</span><span style="color: #0000FF;">&gt;</span></span>
		<span style="color: #333333;"><span style="color: #0000FF;">&lt;</span><span style="color: #990000; font-weight: bold;">cfdump</span> <span style="color: #000000; font-weight: bold;">var</span><span style="color: #0000FF;">=</span><span style="color: #009900;">&quot;#password#&quot;</span><span style="color: #0000FF;">&gt;</span></span>
		<span style="color: #333333;"><span style="color: #0000FF;">&lt;</span><span style="color: #990000; font-weight: bold;">cfabort</span><span style="color: #0000FF;">&gt;</span></span>
	<span style="color: #333333;"><span style="color: #0000FF;">&lt;/</span><span style="color: #990000; font-weight: bold;">cfabort</span><span style="color: #0000FF;">&gt;</span></span>	
&nbsp;
	<span style="color: #333333;"><span style="color: #0000FF;">&lt;</span><span style="color: #990000; font-weight: bold;">cffunction</span> <span style="color: #0000FF;">name</span><span style="color: #0000FF;">=</span><span style="color: #009900;">&quot;getUsers&quot;</span> <span style="color: #0000FF;">access</span><span style="color: #0000FF;">=</span><span style="color: #009900;">&quot;public&quot;</span> returntype<span style="color: #0000FF;">=</span><span style="color: #009900;">&quot;any&quot;</span> output<span style="color: #0000FF;">=</span><span style="color: #009900;">&quot;false&quot;</span><span style="color: #0000FF;">&gt;</span></span>
		<span style="color: #333333;"><span style="color: #0000FF;">&lt;</span><span style="color: #990000; font-weight: bold;">cfreturn</span><span style="color: #0000FF;">&gt;</span></span>
	<span style="color: #333333;"><span style="color: #0000FF;">&lt;/</span><span style="color: #990000; font-weight: bold;">cfreturn</span><span style="color: #0000FF;">&gt;</span></span>
&nbsp;
<span style="color: #333333;"><span style="color: #0000FF;">&lt;/</span><span style="color: #990000; font-weight: bold;">cffunction</span><span style="color: #0000FF;">&gt;</span></span>
<span style="color: #333333;"><span style="color: #0000FF;">&lt;/</span><span style="color: #990000; font-weight: bold;">cfdump</span><span style="color: #0000FF;">&gt;</span></span><span style="color: #333333;"><span style="color: #0000FF;">&lt;/</span><span style="color: #990000; font-weight: bold;">cfargument</span><span style="color: #0000FF;">&gt;</span></span><span style="color: #333333;"><span style="color: #0000FF;">&lt;/</span><span style="color: #990000; font-weight: bold;">cffunction</span><span style="color: #0000FF;">&gt;</span></span><span style="color: #333333;"><span style="color: #0000FF;">&lt;/</span><span style="color: #990000; font-weight: bold;">cfargument</span><span style="color: #0000FF;">&gt;</span></span><span style="color: #333333;"><span style="color: #0000FF;">&lt;/</span><span style="color: #990000; font-weight: bold;">cffunction</span><span style="color: #0000FF;">&gt;</span></span><span style="color: #333333;"><span style="color: #0000FF;">&lt;/</span><span style="color: #990000; font-weight: bold;">cfcomponent</span><span style="color: #0000FF;">&gt;</span></span></pre></div></div>

<p>In your ColdSpring.xml your beans should only look like this:</p>

<div class="wp_syntax"><div class="code"><pre class="xml" style="font-family:monospace;">	<span style="color: #009900;"><span style="color: #000000; font-weight: bold;">&lt;bean</span> <span style="color: #000066;">id</span>=<span style="color: #ff0000;">&quot;dsn&quot;</span> <span style="color: #000066;">class</span>=<span style="color: #ff0000;">&quot;cfcodetrack.model.dsn&quot;</span><span style="color: #000000; font-weight: bold;">&gt;</span></span>
		<span style="color: #009900;"><span style="color: #000000; font-weight: bold;">&lt;constructor</span> -arg <span style="color: #000066;">name</span>=<span style="color: #ff0000;">&quot;dsn&quot;</span><span style="color: #000000; font-weight: bold;">&gt;</span></span>
			<span style="color: #009900;"><span style="color: #000000; font-weight: bold;">&lt;value<span style="color: #000000; font-weight: bold;">&gt;</span></span></span>cfcodetrack<span style="color: #009900;"><span style="color: #000000; font-weight: bold;">&lt;/value<span style="color: #000000; font-weight: bold;">&gt;</span></span></span>
		<span style="color: #009900;"><span style="color: #000000; font-weight: bold;">&lt;/constructor<span style="color: #000000; font-weight: bold;">&gt;</span></span></span>
	<span style="color: #009900;"><span style="color: #000000; font-weight: bold;">&lt;/bean<span style="color: #000000; font-weight: bold;">&gt;</span></span></span>	
&nbsp;
	<span style="color: #009900;"><span style="color: #000000; font-weight: bold;">&lt;bean</span> <span style="color: #000066;">id</span>=<span style="color: #ff0000;">&quot;reactorFactory&quot;</span> <span style="color: #000066;">class</span>=<span style="color: #ff0000;">&quot;reactor.reactorFactory&quot;</span><span style="color: #000000; font-weight: bold;">&gt;</span></span>
		<span style="color: #009900;"><span style="color: #000000; font-weight: bold;">&lt;constructor</span> -arg <span style="color: #000066;">name</span>=<span style="color: #ff0000;">&quot;configuration&quot;</span><span style="color: #000000; font-weight: bold;">&gt;</span></span>
			<span style="color: #009900;"><span style="color: #000000; font-weight: bold;">&lt;ref</span> <span style="color: #000066;">bean</span>=<span style="color: #ff0000;">&quot;reactorConfiguration&quot;</span><span style="color: #000000; font-weight: bold;">&gt;</span></span>
		<span style="color: #009900;"><span style="color: #000000; font-weight: bold;">&lt;/ref<span style="color: #000000; font-weight: bold;">&gt;</span></span></span>
	<span style="color: #009900;"><span style="color: #000000; font-weight: bold;">&lt;/constructor<span style="color: #000000; font-weight: bold;">&gt;</span></span></span>
&nbsp;
	<span style="color: #808080; font-style: italic;">&lt;!-- Security Service</span>
<span style="color: #808080; font-style: italic;">	--&gt;</span>
	<span style="color: #009900;"><span style="color: #000000; font-weight: bold;">&lt;/bean<span style="color: #000000; font-weight: bold;">&gt;</span></span><span style="color: #000000; font-weight: bold;">&lt;bean</span> <span style="color: #000066;">id</span>=<span style="color: #ff0000;">&quot;securityService&quot;</span> <span style="color: #000066;">class</span>=<span style="color: #ff0000;">&quot;cfcodetrack.model.SecurityService&quot;</span> <span style="color: #000066;">singleton</span>=<span style="color: #ff0000;">&quot;true&quot;</span><span style="color: #000000; font-weight: bold;">&gt;</span><span style="color: #000000; font-weight: bold;">&lt;/bean<span style="color: #000000; font-weight: bold;">&gt;</span></span></span>
&nbsp;
	<span style="color: #009900;"><span style="color: #000000; font-weight: bold;">&lt;bean</span> <span style="color: #000066;">id</span>=<span style="color: #ff0000;">&quot;userGateway&quot;</span> <span style="color: #000066;">class</span>=<span style="color: #ff0000;">&quot;cfcodetrack.model.UserGateway&quot;</span> <span style="color: #000066;">singleton</span>=<span style="color: #ff0000;">&quot;true&quot;</span><span style="color: #000000; font-weight: bold;">&gt;</span></span>
<span style="color: #009900;"><span style="color: #000000; font-weight: bold;">&lt;property</span> <span style="color: #000066;">name</span>=<span style="color: #ff0000;">&quot;reactorFactory&quot;</span><span style="color: #000000; font-weight: bold;">&gt;</span></span>
			<span style="color: #009900;"><span style="color: #000000; font-weight: bold;">&lt;ref</span> <span style="color: #000066;">bean</span>=<span style="color: #ff0000;">&quot;reactorFactory&quot;</span><span style="color: #000000; font-weight: bold;">&gt;</span></span>
		<span style="color: #009900;"><span style="color: #000000; font-weight: bold;">&lt;/ref<span style="color: #000000; font-weight: bold;">&gt;</span></span></span>
<span style="color: #009900;"><span style="color: #000000; font-weight: bold;">&lt;/property<span style="color: #000000; font-weight: bold;">&gt;</span></span><span style="color: #000000; font-weight: bold;">&lt;property</span> <span style="color: #000066;">name</span>=<span style="color: #ff0000;">&quot;dsn&quot;</span><span style="color: #000000; font-weight: bold;">&gt;</span></span>
			<span style="color: #009900;"><span style="color: #000000; font-weight: bold;">&lt;ref</span> <span style="color: #000066;">bean</span>=<span style="color: #ff0000;">&quot;dsn&quot;</span><span style="color: #000000; font-weight: bold;">&gt;</span></span>
		<span style="color: #009900;"><span style="color: #000000; font-weight: bold;">&lt;/ref<span style="color: #000000; font-weight: bold;">&gt;</span></span></span>
	<span style="color: #009900;"><span style="color: #000000; font-weight: bold;">&lt;/property<span style="color: #000000; font-weight: bold;">&gt;</span></span></span>
&nbsp;
	<span style="color: #009900;"><span style="color: #000000; font-weight: bold;">&lt;/bean<span style="color: #000000; font-weight: bold;">&gt;</span></span><span style="color: #000000; font-weight: bold;">&lt;bean</span> <span style="color: #000066;">id</span>=<span style="color: #ff0000;">&quot;userService&quot;</span> <span style="color: #000066;">class</span>=<span style="color: #ff0000;">&quot;cfcodetrack.model.UserService&quot;</span> <span style="color: #000066;">singleton</span>=<span style="color: #ff0000;">&quot;true&quot;</span><span style="color: #000000; font-weight: bold;">&gt;</span></span>
<span style="color: #009900;"><span style="color: #000000; font-weight: bold;">&lt;property</span> <span style="color: #000066;">name</span>=<span style="color: #ff0000;">&quot;userGateway&quot;</span><span style="color: #000000; font-weight: bold;">&gt;</span></span>
			<span style="color: #009900;"><span style="color: #000000; font-weight: bold;">&lt;ref</span> <span style="color: #000066;">bean</span>=<span style="color: #ff0000;">&quot;userGateway&quot;</span><span style="color: #000000; font-weight: bold;">&gt;</span></span>
		<span style="color: #009900;"><span style="color: #000000; font-weight: bold;">&lt;/ref<span style="color: #000000; font-weight: bold;">&gt;</span></span></span>
	<span style="color: #009900;"><span style="color: #000000; font-weight: bold;">&lt;/property<span style="color: #000000; font-weight: bold;">&gt;</span></span></span>
<span style="color: #009900;"><span style="color: #000000; font-weight: bold;">&lt;/bean<span style="color: #000000; font-weight: bold;">&gt;</span></span></span></pre></div></div>

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