Class: ROM::Components::Dataset

Inherits:
Core
  • Object
show all
Defined in:
lib/rom/components/dataset.rb,
lib/rom/compat/components.rb

Instance Attribute Summary

Attributes inherited from Core

#config, #gateway, #provider

Instance Method Summary collapse

Methods inherited from Core

#abstract, #apply_external_plugins, #apply_plugins, #components, #gateway?, #gateway_plugins, #id, #inflector, inherited, #key, #local_components, #namespace, #notifications, #plugin_options, #plugins, #provider_plugins, #trigger, #type

Methods included from Initializer

extended

Instance Method Details

#adapter ⇒ Object 



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# File 'lib/rom/components/dataset.rb', line 31

def adapter
  config.adapter
end

#blocks ⇒ Object

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future. 



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# File 'lib/rom/components/dataset.rb', line 21

def blocks
  [*dataset_components.map(&:block), block].compact
end

#build ⇒ Object 



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# File 'lib/rom/components/dataset.rb', line 10

def build
  if gateway?
    blocks.reduce(gateway.dataset(id)) { |ds, blk| evaluate_block(ds, blk) }
  elsif block
    schema ? block.(schema) : block.()
  else
    EMPTY_ARRAY
  end
end

#evaluate_block(ds, block) ⇒ Object

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future. 



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# File 'lib/rom/components/dataset.rb', line 26

def evaluate_block(ds, block)
  ds.instance_exec(schema, &block)
end

#relation_id ⇒ Object 



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# File 'lib/rom/components/dataset.rb', line 36

def relation_id
  config.relation_id
end