NAME¶
KiokuDB::Role::ID::Content - Content dependent object IDs
VERSION¶
version 0.57
SYNOPSIS¶
package BLOB;
use Moose;
use Digest::SHA1;
with qw(KiokuDB::Role::ID::Content);
sub kiokudb_object_id {
my $self = shift;
sha1_hex($self->data);
}
has data => (
isa => "Str",
is => "ro",
required => 1,
);
DESCRIPTION¶
This is a role for KiokuDB::Role::Immutable objects whose IDs depend on their
content, or in other words content addressable objects.
A canonical example is a string identified by its SHA-1 hash, as is demonstrated
in the "SYNOPSIS".
Objects which do this role are never updated in the database just like
KiokuDB::Role::Immutable objects.
Additionally, it is not an error to insert such objects twice since the objects
are assumed to be identical.
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.