Class: GraphQL::Schema::InstrumentedFieldMap

Inherits:
Object
  • Object
show all
Defined in:
lib/graphql/schema/instrumented_field_map.rb

Overview

A two-level map with fields as the last values. The first level is type names, which point to a second map. The second level is field names, which point to fields.

The catch is, the fields in this map may have been modified by being instrumented.

Instance Method Summary collapse

Constructor Details

#initialize(schema, field_instrumenters) ⇒ InstrumentedFieldMap

Build a map using types from schema and instrumenters in field_instrumenters

Parameters:



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# File 'lib/graphql/schema/instrumented_field_map.rb', line 13

def initialize(schema, field_instrumenters)
  @storage = Hash.new { |h, k| h[k] = {} }
  schema.types.each do |type_name, type|
    if type.kind.fields?
      type.all_fields.each do |field_defn|
        instrumented_field_defn = field_instrumenters.reduce(field_defn) do |defn, inst|
          inst.instrument(type, defn)
        end
        self.set(type.name, field_defn.name, instrumented_field_defn)
      end
    end
  end
end

Instance Method Details

#get(type_name, field_name) ⇒ Object 



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# File 'lib/graphql/schema/instrumented_field_map.rb', line 31

def get(type_name, field_name)
  @storage[type_name][field_name]
end

#get_all(type_name) ⇒ Object 



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# File 'lib/graphql/schema/instrumented_field_map.rb', line 35

def get_all(type_name)
  @storage[type_name]
end

#set(type_name, field_name, field) ⇒ Object 



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# File 'lib/graphql/schema/instrumented_field_map.rb', line 27

def set(type_name, field_name, field)
  @storage[type_name][field_name] = field
end