Class: GraphQL::Query::SerialExecution::SelectionResolution

Inherits:
Object
  • Object
show all
Defined in:
lib/graphql/query/serial_execution/selection_resolution.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(target, type, selections, execution_context) ⇒ SelectionResolution

Returns a new instance of SelectionResolution.



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# File 'lib/graphql/query/serial_execution/selection_resolution.rb', line 7

def initialize(target, type, selections, execution_context)
  @target = target
  @type = type
  @selections = selections
  @execution_context = execution_context
end

Instance Attribute Details

#execution_context ⇒ Object (readonly)

Returns the value of attribute execution_context.



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# File 'lib/graphql/query/serial_execution/selection_resolution.rb', line 5

def execution_context
  @execution_context
end

#selections ⇒ Object (readonly)

Returns the value of attribute selections.



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# File 'lib/graphql/query/serial_execution/selection_resolution.rb', line 5

def selections
  @selections
end

#target ⇒ Object (readonly)

Returns the value of attribute target.



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# File 'lib/graphql/query/serial_execution/selection_resolution.rb', line 5

def target
  @target
end

#type ⇒ Object (readonly)

Returns the value of attribute type.



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# File 'lib/graphql/query/serial_execution/selection_resolution.rb', line 5

def type
  @type
end

Instance Method Details

#result ⇒ Object 



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# File 'lib/graphql/query/serial_execution/selection_resolution.rb', line 14

def result
  flatten_and_merge_selections(selections)
    .values
    .reduce({}) { |result, ast_node|
      result.merge(resolve_field(ast_node))
    }
rescue GraphQL::InvalidNullError => err
  err.parent_error? || execution_context.add_error(err)
  nil
end