grpc_graphql_gateway 1.2.4

A Rust implementation of gRPC-GraphQL gateway - generates GraphQL execution code from gRPC services
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schema
  @link(url: "https://specs.apollo.dev/link/v1.0")
  @link(url: "https://specs.apollo.dev/join/v0.3", for: EXECUTION)
{
  query: Query
}

directive @join__enumValue(graph: join__Graph!) repeatable on ENUM_VALUE

directive @join__field(graph: join__Graph, requires: join__FieldSet, provides: join__FieldSet, type: String, external: Boolean, override: String, usedOverridden: Boolean) repeatable on FIELD_DEFINITION | INPUT_FIELD_DEFINITION

directive @join__graph(name: String!, url: String!) on ENUM_VALUE

directive @join__implements(graph: join__Graph!, interface: String!) repeatable on OBJECT | INTERFACE

directive @join__type(graph: join__Graph!, key: join__FieldSet, extension: Boolean! = false, resolvable: Boolean! = true, isInterfaceObject: Boolean! = false) repeatable on OBJECT | INTERFACE | UNION | ENUM | INPUT_OBJECT | SCALAR

directive @join__unionMember(graph: join__Graph!, member: String!) repeatable on UNION

directive @link(url: String, as: String, for: link__Purpose, import: [link__Import]) repeatable on SCHEMA

type federation_example_Product
  @join__type(graph: PRODUCTS, key: "upc")
  @join__type(graph: PRODUCTS, key: "upc")
  @join__type(graph: USERS, key: "upc")
  @join__type(graph: USERS, key: "upc")
{
  upc: String!
  name: String
  price: Int
  createdBy: federation_example_User
}

type federation_example_Review
  @join__type(graph: PRODUCTS, key: "id")
  @join__type(graph: PRODUCTS, key: "id")
{
  id: String!
  product: federation_example_Product
  author: federation_example_User
  body: String
  rating: Int
}

type federation_example_User
  @join__type(graph: PRODUCTS, key: "id")
  @join__type(graph: PRODUCTS, key: "id")
  @join__type(graph: REVIEWS, key: "id")
  @join__type(graph: REVIEWS, key: "id")
  @join__type(graph: USERS, key: "id")
  @join__type(graph: USERS, key: "id")
{
  id: String!
  email: String
  name: String
}

scalar join__FieldSet

enum join__Graph {
  PRODUCTS @join__graph(name: "products", url: "http://127.0.0.1:9001/graphql")
  REVIEWS @join__graph(name: "reviews", url: "http://127.0.0.1:9002/graphql")
  USERS @join__graph(name: "users", url: "http://127.0.0.1:9000/graphql")
}

scalar link__Import

enum link__Purpose {
  """
  `SECURITY` features provide metadata necessary to securely resolve fields.
  """
  SECURITY

  """
  `EXECUTION` features provide metadata necessary for operation execution.
  """
  EXECUTION
}

type Query
  @join__type(graph: PRODUCTS)
  @join__type(graph: REVIEWS)
  @join__type(graph: USERS)
{
  review(id: String): federation_example_Review @join__field(graph: PRODUCTS)
  userReviews(userId: String): [federation_example_Review] @join__field(graph: PRODUCTS)
  user(id: String): federation_example_User @join__field(graph: REVIEWS)
  product(upc: String): federation_example_Product @join__field(graph: USERS)
}

scalar Upload
  @join__type(graph: PRODUCTS)
  @join__type(graph: REVIEWS)
  @join__type(graph: USERS)