Class: Oplogjam::Operation

Inherits:
Object
  • Object
show all
Defined in:
lib/oplogjam/operation.rb

Class Method Summary collapse

Class Method Details

.from(bson) ⇒ Object 



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# File 'lib/oplogjam/operation.rb', line 12

def self.from(bson)
  op = bson.fetch(OP, UNKNOWN)

  case op
  when N then Noop.from(bson)
  when I then Insert.from(bson)
  when U then Update.from(bson)
  when D then Delete.from(bson)
  when C
    if bson.fetch(O, {}).key?(APPLY_OPS)
      ApplyOps.from(bson)
    else
      Command.from(bson)
    end
  else
    raise InvalidOperation, "invalid operation: #{bson}"
  end
end