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Contents
# frozen_string_literal: true
module GraphQL
class Schema
# 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.
class InstrumentedFieldMap
# Build a map using types from `schema` and instrumenters in `field_instrumenters`
# @param schema [GraphQL::Schema]
# @param field_instrumenters [Array<#instrument(type, field)>]
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
def set(type_name, field_name, field)
@storage[type_name][field_name] = field
end
def get(type_name, field_name)
@storage[type_name][field_name]
end
def get_all(type_name)
@storage[type_name]
end
end
end
end
Version data entries
12 entries across 12 versions & 1 rubygems