Method: Mongo::Cursor#initialize

Defined in:
lib/mongo/cursor.rb

#initialize(collection, opts = {}) ⇒ Cursor

Create a new cursor.

Note: cursors are created when executing queries using [Collection#find] and other similar methods. Application developers shouldn’t have to create cursors manually.



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# File 'lib/mongo/cursor.rb', line 36

def initialize(collection, opts={})
  @db         = collection.db
  @collection = collection
  @connection = @db.connection
  @logger     = @connection.logger

  @selector   = opts[:selector] || {}
  @fields     = convert_fields_for_query(opts[:fields])
  @skip       = opts[:skip]     || 0
  @limit      = opts[:limit]    || 0
  @order      = opts[:order]
  @hint       = opts[:hint]
  @snapshot   = opts[:snapshot]
  @timeout    = opts.fetch(:timeout, true)
  @explain    = opts[:explain]
  @socket     = opts[:socket]
  @tailable   = opts[:tailable] || false
  @closed       = false
  @query_run    = false
  batch_size(opts[:batch_size] || 0)

  @full_collection_name = "#{@collection.db.name}.#{@collection.name}"
  @cache        = []
  @returned     = 0

  if @collection.name =~ /^\$cmd/ || @collection.name =~ /^system/
    @command = true
  else
    @command = false
  end
end