hive-router 0.2.0

GraphQL router for Federation, part of the Hive platform
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127

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 Book @join__type(graph: A, key: "id") @join__type(graph: B, key: "id") {
  id: ID!
  title: String!
  aTitle: String! @join__field(graph: A)
  bTitle: String! @join__field(graph: B)
}

scalar join__FieldSet

enum join__Graph {
  A @join__graph(name: "a", url: "http://localhost:4200/union-intersection/a")
  B @join__graph(name: "b", url: "http://localhost:4200/union-intersection/b")
}

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
}

union Media
  @join__type(graph: A)
  @join__type(graph: B)
  @join__unionMember(graph: A, member: "Book")
  @join__unionMember(graph: B, member: "Book")
  @join__unionMember(graph: A, member: "Song")
  @join__unionMember(graph: B, member: "Movie") =
  | Book
  | Song
  | Movie

type Movie @join__type(graph: B, key: "id") {
  id: ID!
  title: String!
  bTitle: String!
}

type Query @join__type(graph: A) @join__type(graph: B) {
  media: Media
  aMedia: Media @join__field(graph: A)
  book: Media
    @join__field(graph: A, type: "Book")
    @join__field(graph: B, type: "Media")
  song: Media @join__field(graph: A)
  viewer: Viewer
  bMedia: Media @join__field(graph: B)
}

type Song @join__type(graph: A, key: "id") {
  id: ID!
  title: String!
  aTitle: String!
}

type Viewer @join__type(graph: A) @join__type(graph: B) {
  media: ViewerMedia
  aMedia: ViewerMedia @join__field(graph: A)
  book: ViewerMedia
    @join__field(graph: A, type: "Book")
    @join__field(graph: B, type: "ViewerMedia")
  song: ViewerMedia @join__field(graph: A)
  bMedia: ViewerMedia @join__field(graph: B)
}

union ViewerMedia
  @join__type(graph: A)
  @join__type(graph: B)
  @join__unionMember(graph: A, member: "Book")
  @join__unionMember(graph: B, member: "Book")
  @join__unionMember(graph: A, member: "Song")
  @join__unionMember(graph: B, member: "Movie") =
  | Book
  | Song
  | Movie