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render:unknowndeps
Describes the current asset dependencies as incomplete.
Syntax
<render:unknowndeps/> [assettype="asset type"]Parameters
assettype (optional)
- If provided, any asset of the type specified will indicate a change and require the page to be regenerated. Otherwise, any asset published will trigger page regeneration.
Description
This tag should be used in cases when pages have undeterminable dependencies on assets in general, or on assets of a specific type. For example, use this tag on a page which uses a query which yields a different result each time the query is generated.
When rendering a page during export publish and the
render:unknowndeps
tag is encountered, Sites marks the page's dependencies as being unknown or incomplete, or ifASSETTYPE
is specified, unknown with respect to a specific asset type. The next export publish operation after any asset change, or after an asset change to an asset of the specified type, whenASSETTYPE
is provided, will re-export the page to ensure the data contained in the exported pages is current.When a cacheable template using this tag is rendered on a live mirror publish destination, the pagelet generated will be cached until a subsequent mirror publish operation occurs to that target. Then, the pagelet will be flushed from cache and regenerated. If an
ASSETTYPE
attribute is specified, a publish to the live site of an asset of the type specified will cause the pagelet to be flushed from the pagelet cache, and regenerated.
Exception: If thefuturetense_xcel.ini
propertyxcelerate.donotregenerate
is set tounknowndeps
or*
, then when a page is flushed from the cache, it will not be automatically regenerated until requested by normal website activity.Preview operations that render templates use the
render:unknowndeps
tag to figure out when to flush the pagelets cached during preview page generation. The algorithm is similar to that used by mirror or export publish above.NOTE: The functionality of this tag may be automatically invoked when you use some other Sites tags that generate generic queries, specifically the
ASSETSET
family and theCOMMERCECONTEXT.GETRECOMMENDATIONS
tag. It is unnecessary to include theRENDER.UNKNOWNDEPS
tag when you are using them.Error Numbers
There are no possible
errno
for this tag.See Also
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Oracle JSP Tag Reference
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