hive-router 0.2.0

GraphQL router for Federation, part of the Hive platform
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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

scalar join__FieldSet

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

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
}

enum join__Graph {
    BAR @join__graph(name: "bar", url: "")
    BAZ @join__graph(name: "baz", url: "")
    FOO @join__graph(name: "foo", url: "")
}

type Group
    @join__type(graph: BAR, key: "id")
    @join__type(graph: FOO, key: "id") {
    id: ID
    topic: Topic @join__field(graph: BAR)
    title: String @join__field(graph: FOO)
    users: [User] @join__field(graph: FOO, provides: "id")
    user: User @join__field(graph: FOO, provides: "name profile{age}")
}

type Topic @join__type(graph: BAR, key: "id") {
    id: ID!
    title: String!
}

type User
    @join__type(graph: BAR, key: "id")
    @join__type(graph: FOO, key: "id") {
    id: String!
        @join__field(graph: BAR)
        @join__field(graph: FOO, external: true)
    name: String
        @join__field(graph: BAR, type: "String")
        @join__field(graph: FOO, type: "String!", external: true)
    profile: Profile
        @join__field(graph: BAR)
        @join__field(graph: FOO, external: true)
}

type Profile @join__type(graph: BAR) @join__type(graph: FOO) {
    age: Int
}

type Theme @join__type(graph: BAZ, key: "id") {
    id: ID!
    primaryColor: String
}

type Query
    @join__type(graph: BAR)
    @join__type(graph: BAZ)
    @join__type(graph: FOO) {
    themes: [Theme] @join__field(graph: BAZ)
}