עידו פרלמוטר (Ido Perlmuter) > MongoDBx-Class > MongoDBx::Class::Reference

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Module Version: 1.030002   Source  

NAME ^

MongoDBx::Class::Reference - An embedded document representing a reference to a different document (thus establishing a relationship)

VERSION ^

version 1.030002

CONSUMES ^

MongoDBx::Class::EmbeddedDocument

DESCRIPTION ^

This class represents a reference (or "join") to a MongoDB document. In MongoDBx::Class, references are expected to be in the DBRef format, as defined in http://www.mongodb.org/display/DOCS/Database+References, for example (this is a JSON example):

        { "$ref": "collection_name", "$id": ObjectId("4cbca90d3a41e35916720100") }

ATTRIBUTES ^

Aside from attributes provided by MongoDBx::Class::EmbeddedDocument, the following attributes are provided:

ref_coll

A string representing the collection in which the reference document is stored (translates to the '$ref' hash key above).

ref_id

A MongoDB::OID object with the internal ID of the referenced document (translates to the '$id' hash key above).

METHODS ^

Aside from methods provided by MongoDBx::Class::EmbeddedDocument, the following methods are provided:

load()

Returns the document referenced by this object, after expansion. This is mostly used internally, you don't have to worry about it.

AUTHOR ^

Ido Perlmuter, <ido at ido50.net>

BUGS ^

Please report any bugs or feature requests to bug-mongodbx-class at rt.cpan.org, or through the web interface at http://rt.cpan.org/NoAuth/ReportBug.html?Queue=MongoDBx-Class. I will be notified, and then you'll automatically be notified of progress on your bug as I make changes.

SUPPORT ^

You can find documentation for this module with the perldoc command.

        perldoc MongoDBx::Class::Reference

You can also look for information at:

SEE ALSO ^

MongoDBx::Class::EmbeddedDocument.

LICENSE AND COPYRIGHT ^

Copyright 2010-2014 Ido Perlmuter.

This program is free software; you can redistribute it and/or modify it under the terms of either: the GNU General Public License as published by the Free Software Foundation; or the Artistic License.

See http://dev.perl.org/licenses/ for more information.

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