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NAME
Alzabo::ObjectCache::MemoryStore - Cache objects in memory
SYNOPSIS
use Alzabo::ObjectCache( store => 'Alzabo::ObjectCache::MemoryStore',
sync => 'Alzabo::ObjectCache::NullSync' );
DESCRIPTION
This class simply stores cached objects in memory. This means that a given object should never have to be created twice.
METHODS
Note that pretty much all the methods that take an object as an argument will silently do nothing if the object is not already in the cache. The obvious exception is the store_object
method.
Many of the methods in this class really don't do anything and are here merely to support the interface that Alzabo::Runtime::Row
expects.
new
Returns
A new Alzabo::ObjectCache::MemoryStore
object.
fetch_object ($id)
Returns
The specified object if it is in the cache. Otherwise it returns undef.
store_object ($object)
Stores an object in the cache. This will not overwrite an existing object in the cache. To do that you must first call the delete_from_cache
method.
delete_from_cache ($object)
This method allows you to remove an object from the cache. This does not register the object as deleted. It is provided solely so that you can call store_object
after calling this method and have store_object
actually store the new object.
CLASS METHOD
clear
Call this method to completely clear the cache.
AUTHOR
Dave Rolsky, <autarch@urth.org>