debian man page for kiokudb::linker

Query: kiokudb::linker

OS: debian

Section: 3pm

Format: Original Unix Latex Style Formatted with HTML and a Horizontal Scroll Bar

KiokuDB::Linker(3pm)					User Contributed Perl Documentation				      KiokuDB::Linker(3pm)

NAME
KiokuDB::Linker - Relinks live objects from storage entries
SYNOPSIS
# mostly internal
DESCRIPTION
The linker reconnects entry data, recreating the connected object graph in memory. The linkage process starts with an ID (or several IDs) to be loaded passed to the "get_or_load_objects" method. This ID will first be searched for in the live object set (KiokuDB::LiveObjects). If the object is already live, then it will be returned as is. If the object is not live, then the corresponding entry is fetched from the backend, and expanded into an actual instance. Expansion consults the KiokuDB::TypeMap using KiokuDB::TypeMap::Resolver, to find the correct typemap entry (see "COLLAPSING STRATEGIES" in KiokuDB::Collapser and KiokuDB::TypeMap), and that is used for the actual expansion. Most of the grunt work is delegated by the entries back to the linker using the "inflate_data" method, which handles circular structures, retrying of tied structures, etc. Inflated objects are registered with KiokuDB::LiveObjects, and get inserted into the current live object scope (KiokuDB::LiveObjects::Scope). The scope's job is to maintain a reference count of at least 1 for any loaded object, until it is destroyed itself. This ensures that weak references are not destroyed prematurely, but allows their use in order to avoid memory leaks. perl v5.12.4 2010-10-11 KiokuDB::Linker(3pm)
Related Man Pages
dbix::class::schema::kiokudb(3pm) - debian
kiokudb::backend(3pm) - debian
kiokudb::collapser(3pm) - debian
kiokudb::entry(3pm) - debian
kiokudb::typemap::entry::callback(3pm) - debian
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