Class: DataMiner::AttributeCollection

Inherits:
Object
  • Object
show all
Defined in:
lib/data_miner/attribute_collection.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(klass) ⇒ AttributeCollection

Returns a new instance of AttributeCollection.



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# File 'lib/data_miner/attribute_collection.rb', line 5

def initialize(klass)
  @klass = klass
  @attributes = {}
end

Instance Attribute Details

#attributes ⇒ Object

Returns the value of attribute attributes.



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# File 'lib/data_miner/attribute_collection.rb', line 3

def attributes
  @attributes
end

#klass ⇒ Object

Returns the value of attribute klass.



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# File 'lib/data_miner/attribute_collection.rb', line 3

def klass
  @klass
end

Instance Method Details

#affect!(step, attr_name, attr_options = {}) ⇒ Object 



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# File 'lib/data_miner/attribute_collection.rb', line 14

def affect!(step, attr_name, attr_options = {})
  find_or_initialize(attr_name).affected_by!(step, attr_options)
end

#affect_all_content_columns!(step, options = {}) ⇒ Object 



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# File 'lib/data_miner/attribute_collection.rb', line 18

def affect_all_content_columns!(step, options = {})
  except = Array.wrap(options[:except]).map(&:to_sym)
  step.klass.content_columns.map(&:name).reject { |content_column| except.include?(content_column.to_sym) }.each do |content_column|
    find_or_initialize(content_column).affected_by!(step)
  end
end

#all_affected_by(step) ⇒ Object 



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# File 'lib/data_miner/attribute_collection.rb', line 25

def all_affected_by(step)
  attributes.values.select { |attr| attr.affected_by?(step) }
end

#all_for(step) ⇒ Object 



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# File 'lib/data_miner/attribute_collection.rb', line 33

def all_for(step)
  (all_affected_by(step) + all_keys_for(step)).uniq
end

#all_keys_for(step) ⇒ Object 



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# File 'lib/data_miner/attribute_collection.rb', line 29

def all_keys_for(step)
  attributes.values.select { |attr| attr.key_for?(step) }
end

#has_conditional_writes_for?(step) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/data_miner/attribute_collection.rb', line 41

def has_conditional_writes_for?(step)
  all_affected_by(step).any? { |attr| !attr.wants_overwriting?(step) }
end

#has_keys_for?(step) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/data_miner/attribute_collection.rb', line 37

def has_keys_for?(step)
  attributes.values.any? { |attr| attr.key_for?(step) }
end

#key!(step, attr_name, attr_options = {}) ⇒ Object 



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# File 'lib/data_miner/attribute_collection.rb', line 10

def key!(step, attr_name, attr_options = {})
  find_or_initialize(attr_name).key_for!(step, attr_options)
end