NAME
Mandel::Relationship::HasOne - A field relates to another mongodb document
DESCRIPTION
Mandel::Relationship::HasOne is a class used to describe the relationship between one document that has a relationship to one other documents. The connection between the documents is described in the database using DBRef.
DATABASE STRUCTURE
A "dinosaur" that has one "cat" will look like this in the database:
mongodb
# db.dinosaurs.find({ })
{
"_id"
: ObjectId(
"5352b4d8c5483e4502010000"
) }
mongodb
# db.cats.find({ "dinosaur.$id": ObjectId("53529f28c5483e4977020000") })
{
"_id"
: ObjectId(
"5352b4d8c5483e4502040000"
),
"dinosaur"
: DBRef(
"dinosaurs"
, ObjectId(
"5352b4d8c5483e4502010000"
))
}
SYNOPSIS
Using DSL
Using object oriented interface
MyModel::Dinosaur->model->relationship(
"has_one"
,
"cat"
,
"MyModel::Cat"
,
);
Methods generated
$cat
= MyModel::Dinosaur->new->cat(\
%args
,
$cb
);
$cat
= MyModel::Dinosaur->new->cat(
$person_obj
,
$cb
);
$person_obj
= MyModel::Dinosaur->new->cat(\
%args
);
$person_obj
= MyModel::Dinosaur->new->cat(
$person_obj
);
$person
= MyModel::Dinosaur->new->cat;
$self
= MyModel::Dinosaur->new->cat(
sub
{
my
(
$self
,
$err
,
$person
) =
@_
; });
See also "relationship" in Mandel::Model.
METHODS
monkey_patch
Add methods to "document_class" in Mandel::Relationship.
SEE ALSO
Mojolicious, Mango, Mandel::Relationship
AUTHOR
Jan Henning Thorsen - jhthorsen@cpan.org