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2 non-PAUSE users.

Jesse Luehrs
and 27 contributors

NAME

KiokuDB::Set - Set::Object wrapper for KiokuDB with lazy loading.

VERSION

version 0.57

SYNOPSIS

    use KiokuDB::Util qw(set);

    my $set = set(); # KiokuDB::Set::Transient

    $set->insert($object);

    warn $set->size;

    my $id = $dir->store( $set );

DESCRIPTION

This role defines the API implemented by KiokuDB::Set::Transient, KiokuDB::Set::Deferred, and KiokuDB::Set::Loaded.

These three classes are modeled after Set::Object, but have implementation details specific to KiokuDB.

Transient Sets

Transient sets are in memory, they are sets that have been constructed by the user for subsequent insertion into storage.

When you create a new set, this is what you should use.

KiokuDB::Util provides convenience functions ("set" in KiokuDB::Util and "weak_set" in KiokuDB::Util) to construct transient sets concisely.

Deferred Sets

When a set is loaded from the backend, it is deferred by default. This means that the objects inside the set are not yet loaded, and will be fetched only as needed.

When set members are needed, the set is upgraded in place into a KiokuDB::Set::Loaded object.

Loaded Sets

This is the result of vivifying the members of a deferred set, and is similar to transient sets in implementation.

AUTHOR

Yuval Kogman <nothingmuch@woobling.org>

COPYRIGHT AND LICENSE

This software is copyright (c) 2014 by Yuval Kogman, Infinity Interactive.

This is free software; you can redistribute it and/or modify it under the same terms as the Perl 5 programming language system itself.