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Simple and efficient ActiveRecord data abstraction for MongoDB

Really simple Activedocument for MongoDB

MongoDB is a very powerful database, high performance and amicable. I wrote an article about it,

http://www.phpclasses.org/blog/post/118-Developing-scalable-PHP-applications-using-MongoDB.html

ActiveMongo, is a simple yet efficient MongoDB abstraction, following the Activedocument pattern. Visit http://crodas.org/activemongo.php for further details.

Comments, patches, bug reports are welcome to the blog post, my personal e-mail address, [email protected]

What it does now:

  • Handle MongoDB connection, connecting once when it is needed
  • Define a Collection as a class
  • Abstracts iteration over a dataset
  • Efficient save() which creates or updates efficiently (using $unset, $set) a document
  • Provides simple queries interface, but allows to get MongoCollection for complex queries in sub-classes
  • Delete current object, Drop() table
  • Support filtering per property
  • Support for efficient updates on nested documents
  • Support Hooks:
    • pre_save($operation, Array &$document): Right before to perform and insert or update
    • on_save(): When a document is created
    • on_update(): When a document is updated
    • on_iterate(): On iteration, when the cursor moves to the next document
  • Support simple yet useful collection installation, useful to create indexes and shard keys.
  • Efficient references to another document, and an efficient way to load it (with one query if possible)
  • Dynamic References (AKA, save a query to execute later)

TODO:

  • PHP Streams support for GridFS
  • Tools for setup and manage a sharded environment