Method: DataMapper::Repository#read_one

Defined in:
lib/dm-core/repository.rb

#read_one(query) ⇒ DataMapper::Resource, NilClass

retrieve a resource instance by a query

Parameters:

  • query (Query) —

    composition of the query to perform

Returns:

  • (DataMapper::Resource) —

    the first retrieved instance which matches the query

  • (NilClass) —

    no object could be found which matches that query

See Also:



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# File 'lib/dm-core/repository.rb', line 71

def read_one(query)
  adapter.read_one(query)
end