Method: DataMapper::Collection#get!

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

#get!(*key) ⇒ Resource?

Lookup a Resource in the Collection by key, raising an exception if not found

This looksup a Resource by key, typecasting the key to the proper object if necessary.

Parameters:

  • *key (Enumerable) —

    keys which uniquely identify a resource in the Collection

Returns:

  • (Resource) —

    Resource which matches the supplied key

  • (nil) —

    No Resource matches the supplied key

Raises:



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# File 'lib/dm-core/collection.rb', line 189

def get!(*key)
  get(*key) || raise(ObjectNotFoundError, "Could not find #{model.name} with key #{key.inspect}")
end