Class: GoodData::Model::AttributeBlueprintField

Inherits:
BlueprintField show all
Defined in:
lib/gooddata/models/blueprint/attribute_field.rb

Direct Known Subclasses

AnchorBlueprintField

Instance Attribute Summary

Attributes inherited from BlueprintField

#data, #dataset_blueprint

Instance Method Summary collapse

Methods inherited from BlueprintField

#==, #id, #in_project, #initialize, #method_missing, #respond_to_missing?, #title

Constructor Details

This class inherits a constructor from GoodData::Model::BlueprintField

Dynamic Method Handling

This class handles dynamic methods through the method_missing method in the class GoodData::Model::BlueprintField

Instance Method Details

#labels ⇒ Array

Returns list of labels on the attribute. There has to be always at least one attribute

Returns:

  • (Array) —

    returns list of the errors represented by hash structures



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# File 'lib/gooddata/models/blueprint/attribute_field.rb', line 24

def labels
  @dataset_blueprint.labels_for_attribute(self)
end

#reference_label ⇒ Array<GoodData::Model::LabelBlueprintField>

Returns label that is considered referencing. It is either first one or the one marked with reference_label: true in blueprint

Returns:



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# File 'lib/gooddata/models/blueprint/attribute_field.rb', line 16

def reference_label
  reference_label = labels.find { |label| label.respond_to?(:reference_label) && label.reference_label == true }
  reference_label || labels.first
end

#validate ⇒ Array

Validates the fields in the attribute

Returns:

  • (Array) —

    returns list of the errors represented by hash structures



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# File 'lib/gooddata/models/blueprint/attribute_field.rb', line 31

def validate
  errors = validate_presence_of(:id).map do |e|
    { type: :error, message: "Field \"#{e}\" is not defined or empty for attribute \"#{id}\"" }
  end
  if labels.select(&:reference_label?).count > 1
    errors << {
      type: :error,
      message: "Anchor \"#{id}\" can have only one label with reference_label field set to true"
    }
  end
  errors
end