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Jifty::CAS::Store(3)  User Contributed Perl Documentation Jifty::CAS::Store(3)

NAME
       Jifty::CAS::Store - Abstract class for Jifty's Content-Addressed
       Storage

DESCRIPTION
       This is the abstract base class for a backend store for Jifty::CAS.
       For more	information, see "DESCRIPTION" in Jifty::CAS.

   publish DOMAIN NAME CONTENT METADATA
       Publishes the given "CONTENT" at	the address "DOMAIN" and "NAME".
       "METADATA" is an	arbitrary hash;	see Jifty::CAS::Blob for more.
       Returns the key.

   _store DOMAIN NAME BLOB
       Stores the BLOB (a Jifty::CAS::Blob) in the backend.  Returns the key.
       Subclasses should override this,	but it should not be called directly
       -- use "publish"	instead.

   key DOMAIN NAME
       Returns the most	recent key for the given pair of "DOMAIN" and "NAME",
       or undef	if none	such exists.  Subclasses should	override this.

   retrieve DOMAIN KEY
       Returns a Jifty::CAS::Blob for the given	pair of	"DOMAIN" and "KEY", or
       undef if	none such exists.  Subclasses should override this.

   uri DOMAIN NAME
       Returns a URL where the given "DOMAIN" and "NAME" can be	accessed.

   serve DOMAIN	ARGUMENT ENV
       Serves a	plack request in "ENV",	given a	"DOMAIN" and an	"ARGUMENT",
       which may wither	be a key or a name.

       This correctly uses the "If-None-Match" and "Etag" headers to send HTTP
       304 responses to	unchanged content.  Additionally, the "content_type"
       key in the requested object's metadata is expected to be	set and	is
       used for	the HTTP response.  This method	is usually only	called by
       "wrap" in JiftY::CAS, which calls this method as	appropriate for
       requests	under "/__jifty/cas/".

   durable
       Returns true if the backing store is durable -- that is,	if there is a
       guarantee that data placed there	will be	accessible from	all processes
       at all later times.

perl v5.24.1			  2013-02-18		  Jifty::CAS::Store(3)

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