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Contents
# encoding: utf-8
module Mongoid #:nodoc
# The collections module is used for providing functionality around setting
# up and updating collections.
module Collections
extend ActiveSupport::Concern
included do
cattr_accessor :_collection, :collection_name
self.collection_name = self.name.collectionize
delegate :collection, :db, :to => "self.class"
end
module ClassMethods #:nodoc:
# Returns the collection associated with this +Document+. If the
# document is embedded, there will be no collection associated
# with it.
#
# Returns: <tt>Mongo::Collection</tt>
def collection
raise Errors::InvalidCollection.new(self) if embedded?
self._collection || set_collection
add_indexes; self._collection
end
# Return the database associated with this collection.
#
# Example:
#
# <tt>Person.db</tt>
def db
collection.db
end
# Convenience method for getting index information from the collection.
#
# Example:
#
# <tt>Person.index_information</tt>
def index_information
collection.index_information
end
# The MongoDB logger is not exposed through the driver to be changed
# after initialization of the connection, this is a hacky way around that
# if logging needs to be changed at runtime.
#
# Example:
#
# <tt>Person.logger = Logger.new($stdout)</tt>
def logger=(logger)
db.connection.instance_variable_set(:@logger, logger)
end
# Macro for setting the collection name to store in.
#
# Example:
#
# <tt>Person.store_in :populdation</tt>
def store_in(name)
self.collection_name = name.to_s
set_collection
end
protected
def set_collection
self._collection = Mongoid::Collection.new(self, self.collection_name)
end
end
end
end
Version data entries
10 entries across 10 versions & 2 rubygems