Happy New Year to you all!
Does anyone have a simple mechanism for queueing/delaying tasks for later execution?
The scenario is that the user will request a task to be executed but that task will be long running and I want it to happen seperately to the users session. If I have to I can probably create and delete one-off tasks in the CF task scheduler (anyone have a code snippet for that?) but I was hoping there was a simpler way...
Brett I haven't tried this out but something like this could work. Create asyncinvoke.cfm under your webroot:
<cfif isdefined("attributes") and thisTag.executionMode eq "start"> <!---
We have been called as a custom tag, save the
attributes in a unique location
--->
<cfset uuid = createUUID()>
<cfset server["asyncinvoke" & uuid] = attributes> <!---
...and create a separate request to make the call
--->
<cfhttp method="get"
url="http://127.0.0.1/asyncinvoke.cfm?attributeskey=#uuid#";><cfelseif cgi.REMOTE_ADDR eq "127.0.0.1" and structKeyExists(url, "attributeskey")>
<!---
We have been called via HTTP request from the
custom tag, get the attributes
--->
<cfset attributes = server["asyncinvoke" & url.attributeskey]>
<cfset structDelete(server, "asyncinvoke" & url.attributeskey)> <!--- And make the original call --->
<cfinvoke argumentcollection=#attributes#></cfif>
You'll need to tweak the cfinvoke. You could use this tag in place of cfinvoke to have the cfc method execute in a separate request.
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