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Contents
# encoding: utf-8
module Mongoid #:nodoc:
module Persistence #:nodoc:
module Atomic #:nodoc:
# This operation is for performing $bit atomic operations against the
# database.
class Bit
include Operation
# Execute the bitwise operation. This correlates to a $bit in MongoDB.
#
# @example Execute the op.
# bit.persist
#
# @return [ Integer ] The new value.
#
# @since 2.1.0
def persist
prepare do
current = document[field]
return nil unless current
document[field] = value.inject(current) do |result, (bit, val)|
result = result & val if bit.to_s == "and"
result = result | val if bit.to_s == "or"
result
end
document[field].tap do
collection.update(document.atomic_selector, operation("$bit"), options)
document.remove_change(field)
end
end
end
end
end
end
end
Version data entries
188 entries across 96 versions & 4 rubygems