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Contents
# encoding: utf-8
module Mongoid
module Persistence
module Operations
module Embedded
# Insert is a persistence command responsible for taking a document that
# has not been saved to the database and saving it. This specific class
# handles the case when the document is embedded in another.
#
# The underlying query resembles the following MongoDB query:
#
# collection.update(
# { "_id" : 1 },
# { "$push" : { "field" : "value" } },
# false
# );
class Insert
include Insertion
include Operations
include Mongoid::Atomic::Positionable
# Insert the new document in the database. If the document's parent is a
# new record, we will call save on the parent, otherwise we will $push
# the document onto the parent.
#
# @example Insert an embedded document.
# Insert.persist
#
# @return [ Document ] The document to be inserted.
def persist
prepare do
raise Errors::NoParent.new(document.class.name) unless parent
if parent.new_record?
parent.insert
else
selector = parent.atomic_selector
collection.find(selector).update(positionally(selector, inserts))
end
end
end
end
end
end
end
end
Version data entries
8 entries across 8 versions & 1 rubygems