Class: GraphQL::Relay::ConnectionResolve

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

Instance Method Summary collapse

Constructor Details

#initialize(field, underlying_resolve) ⇒ ConnectionResolve

Returns a new instance of ConnectionResolve.



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# File 'lib/graphql/relay/connection_resolve.rb', line 5

def initialize(field, underlying_resolve)
  @field = field
  @underlying_resolve = underlying_resolve
  @max_page_size = field.connection_max_page_size
end

Instance Method Details

#call(obj, args, ctx) ⇒ Object 



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# File 'lib/graphql/relay/connection_resolve.rb', line 11

def call(obj, args, ctx)
  # in a lazy ressolve hook, obj is the promise,
  # get the object that the promise was
  # originally derived from
  parent = ctx.object

  nodes = @underlying_resolve.call(obj, args, ctx)

  if nodes.nil? || ctx.schema.lazy?(nodes) || nodes.is_a?(GraphQL::Execution::Execute::Skip) || ctx.wrapped_connection
    nodes
  else
    ctx.wrapped_connection = true
    build_connection(nodes, args, parent, ctx)
  end
end