Data::ObjectDriver::Driver::Cache::Apache man page on Pidora

Data::ObjectDriver::Driver::Cache::Apache man page on Pidora

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Data::ObjectDriver::DrUser:ContribData::ObjectDriver::Driver::Cache::Apache(3)

NAME
       Data::ObjectDriver::Driver::Cache::Apache - object driver for caching
       objects in Apache's request space

SYNOPSIS
	   package MyObject;
	   use base qw( Data::ObjectDriver::BaseObject );

	   __PACKAGE__->install_properties({
	       ...
	       driver => Data::ObjectDriver::Driver::Cache::Apache->new(
		   fallback => Data::ObjectDriver::Driver::Cache::Memcached->new(
		       cache	=> Cache::Memcached->new({ servers => \@MEMCACHED_SERVERS }),
		       fallback => Data::ObjectDriver::Driver::DBI->new( @$DBI_INFO ),
		   ),
	       ),
	       ...
	   });

	   1;

DESCRIPTION
       Data::ObjectDriver::Driver::Cache::Apache provides automatic caching of
       retrieved objects in the per-request memory space of your Apache
       mod_perl processes, when used in conjunction with your actual object
       driver. It can be used to provide even faster results over memcached
       when requesting objects that have already been requested during the
       same request by some other part of your application, at the cost of the
       memory necessary to store the objects.

       If your models can be used in an Apache mod_perl application as well as
       another context such as a command line shell, consider replacing the
       Apache layer of your caching with a
       "Data::ObjectDriver::Driver::Cache::RAM" layer when Apache is not
       available. See Data::ObjectDriver::Driver::Cache::Apache.

USAGE
       ·   Data::ObjectDriver::Driver::Cache::Apache->new(%params)

	   Required members of %params are:

	   ·   "fallback"

	       The "Data::ObjectDriver" object driver from which to request
	       objects that are not found in the Apache process cache.

DIAGNOSTICS
       The Apache driver provides integration with the "Data::ObjectDriver"
       debug and profiling systems. As these systems are designed around SQL
       queries, synthetic queries are logged to represent caching operations.
       The operations generated by this driver are:

       ·   "APACHECACHE_GET ?"

	   Retrieve an object. The argument is the cache key for the requested
	   object.

       ·   "APACHECACHE_ADD ?,?"

	   Add an object to the cache. The arguments are the cache key for the
	   object and the flattened representation of the object to cache.

       ·   "APACHECACHE_SET ?,?"

	   Put an object in the cache. The arguments are the cache key for the
	   object and the flattened representation of the object to cache.

       ·   "APACHECACHE_DELETE ?"

	   Remove an object from the cache. The argument is the cache key for
	   the object to invalidate.

SEE ALSO
       Apache, Apache2::RequestUtil

LICENSE
       Data::ObjectDriver is free software; you may redistribute it and/or
       modify it under the same terms as Perl itself.

AUTHOR & COPYRIGHT
       Except where otherwise noted, Data::ObjectDriver is Copyright 2005-2006
       Six Apart, cpan@sixapart.com. All rights reserved.

perl v5.14.1			  Data::ObjectDriver::Driver::Cache::Apache(3)

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