Class: GraphQL::Relay::Mutation::Resolve Private

Inherits:
Object
  • Object
show all
Defined in:
lib/graphql/relay/mutation/resolve.rb

Overview

This class is part of a private API. You should avoid using this class if possible, as it may be removed or be changed in the future.

Wrap a user-provided resolve function, wrapping the returned value in a Result. Also, pass the clientMutationId to that result object.

Instance Method Summary collapse

Constructor Details

#initialize(mutation, resolve) ⇒ Resolve

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future.

Returns a new instance of Resolve



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# File 'lib/graphql/relay/mutation/resolve.rb', line 10

def initialize(mutation, resolve)
  @mutation = mutation
  @resolve = resolve
  @wrap_result = mutation.is_a?(GraphQL::Relay::Mutation) && mutation.has_generated_return_type?
  @class_based = mutation.is_a?(Class)
end

Instance Method Details

#call(obj, args, ctx) ⇒ Object

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future. 



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# File 'lib/graphql/relay/mutation/resolve.rb', line 17

def call(obj, args, ctx)
  mutation_result = begin
    @resolve.call(obj, args[:input], ctx)
  rescue GraphQL::ExecutionError => err
    err
  end

  if ctx.schema.lazy?(mutation_result)
    mutation_result
  else
    build_result(mutation_result, args, ctx)
  end
end