Class: ROM::Mongo::Adapter::Dataset

Inherits:

Object

• Object
• ROM::Mongo::Adapter::Dataset

Defined in:

lib/rom/mongo/adapter.rb

Instance Method Summary

• #each(&block) ⇒ Object
• #header ⇒ Object
• #initialize(collection, header) ⇒ Dataset constructor

  A new instance of Dataset.

• #query? ⇒ Boolean

Constructor Details

#initialize(collection, header) ⇒ Dataset

Returns a new instance of Dataset.

# File 'lib/rom/mongo/adapter.rb', line 20

def initialize(collection, header)
  super
  @header = header unless query?
end

Instance Method Details

#each(&block) ⇒ Object

# File 'lib/rom/mongo/adapter.rb', line 29

def each(&block)
  collection.find.each(&block)
end

#header ⇒ Object

# File 'lib/rom/mongo/adapter.rb', line 25

def header
  query? ? query.operation.fields : @header
end

#query? ⇒ Boolean

Returns:

• (Boolean)

# File 'lib/rom/mongo/adapter.rb', line 33

def query?
  collection.is_a?(Moped::Query)
end