PRC? Private Request Collection - Computer Know How
PRC? Private Request Collection - Computer Know How PRC? Private Request Collection - Computer Know How
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� <strong>Request</strong> Topics at<br />
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� RC: <strong>Request</strong> Context – NO!<br />
� The <strong>Request</strong> Context is an object passed<br />
to handler methods called Event<br />
� RC: <strong>Request</strong> <strong>Collection</strong> – Yes!<br />
� Data structure used to move data from<br />
the layers of your application
� FORM/URL/REMOTE variables meshed<br />
into a single structure<br />
� Form variables FTW!<br />
� <strong>PRC</strong>? <strong>Private</strong> <strong>Request</strong> <strong>Collection</strong> (no<br />
outside vars, only what you put in)<br />
� Every part of the framework life cycle<br />
either receives a reference to it or has<br />
access to it<br />
� Passed as an argument to event handlers as<br />
of ColdBox 3.5<br />
� WOOT!!!
� The request context object is<br />
passed to your event handlers<br />
as an argument called: event<br />
� The type is<br />
� coldbox.system.web.context.<strong>Request</strong>Context<br />
� Managed by the <strong>Request</strong> Service<br />
� controller.get<strong>Request</strong>Service()<br />
<strong>Request</strong><br />
Context<br />
RC<br />
<strong>PRC</strong>
� Method to get the request collection<br />
� event.get<strong>Collection</strong>(private)<br />
� Access from plugins, etc<br />
� controller.get<strong>Request</strong>Service.getContext()<br />
� Already available on layouts and views<br />
via event variable
� The request context has some great<br />
metadata methods available<br />
� getCurrentAction(), getCurrentHandler(),<br />
getCurrentEvent()<br />
� getCurrentLayout(), getCurrentView()<br />
� getDefaultLayout(), getDefaultView()<br />
� isProxy<strong>Request</strong>(), isSES()<br />
� getEventName()<br />
� getCurrentModule(), getModuleRoot()
� Some common methods<br />
� buildLink(linkto)<br />
� get<strong>Collection</strong>()<br />
� getValue(key,[default])<br />
� setValue(key,value)<br />
� valueExists(key),paramValue(key,value)<br />
� setView(name,…)<br />
� setLayout(layout)<br />
� renderData(type,data,contentType)<br />
� Many many more…
� The request context can be extended by<br />
using the decorator pattern<br />
� You can use a decorated request context<br />
to meet your needs. Extend or add<br />
functionality to your hearts content
� More information about ColdBox RC<br />
� http://www.coldbox.org<br />
� http://wiki.coldbox.org/wiki/<strong>Request</strong>Context.cfm<br />
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