federation 2.8 support

graphql-java-support/src/main/java/com/apollographql/federation/graphqljava/Federation.java

@@ -34,6 +34,7 @@ public final class Federation {
   public static final String FEDERATION_SPEC_V2_5 = "https://specs.apollo.dev/federation/v2.5";
   public static final String FEDERATION_SPEC_V2_6 = "https://specs.apollo.dev/federation/v2.6";
   public static final String FEDERATION_SPEC_V2_7 = "https://specs.apollo.dev/federation/v2.7";
+  public static final String FEDERATION_SPEC_V2_8 = "https://specs.apollo.dev/federation/v2.8";
 
   private static final SchemaGenerator.Options defaultGeneratorOptions =
       SchemaGenerator.Options.defaultOptions();

graphql-java-support/src/main/java/com/apollographql/federation/graphqljava/FederationDirectives.java

@@ -8,6 +8,7 @@
 import static com.apollographql.federation.graphqljava.Federation.FEDERATION_SPEC_V2_5;
 import static com.apollographql.federation.graphqljava.Federation.FEDERATION_SPEC_V2_6;
 import static com.apollographql.federation.graphqljava.Federation.FEDERATION_SPEC_V2_7;
+import static com.apollographql.federation.graphqljava.Federation.FEDERATION_SPEC_V2_8;
 import static graphql.introspection.Introspection.DirectiveLocation.FIELD_DEFINITION;
 import static graphql.introspection.Introspection.DirectiveLocation.INTERFACE;
 import static graphql.introspection.Introspection.DirectiveLocation.OBJECT;
@@ -229,6 +230,8 @@ public static List<SDLNamedDefinition> loadFederationSpecDefinitions(String fede
         return loadFed2Definitions("definitions_fed2_6.graphqls");
       case FEDERATION_SPEC_V2_7:
         return loadFed2Definitions("definitions_fed2_7.graphqls");
+      case FEDERATION_SPEC_V2_8:
+        return loadFed2Definitions("definitions_fed2_8.graphqls");
       default:
         throw new UnsupportedFederationVersionException(federationSpec);
     }

graphql-java-support/src/main/resources/definitions_fed2_8.graphqls

@@ -0,0 +1,117 @@
+#
+# https://specs.apollo.dev/federation/v2.0/federation-v2.0.graphql
+#
+
+directive @key(fields: FieldSet!, resolvable: Boolean = true) repeatable on OBJECT | INTERFACE
+directive @requires(fields: FieldSet!) on FIELD_DEFINITION
+directive @provides(fields: FieldSet!) on FIELD_DEFINITION
+directive @external on OBJECT | FIELD_DEFINITION
+directive @extends on OBJECT | INTERFACE
+directive @inaccessible on
+    | FIELD_DEFINITION
+    | OBJECT
+    | INTERFACE
+    | UNION
+    | ENUM
+    | ENUM_VALUE
+    | SCALAR
+    | INPUT_OBJECT
+    | INPUT_FIELD_DEFINITION
+    | ARGUMENT_DEFINITION
+directive @tag(name: String!) repeatable on
+    | FIELD_DEFINITION
+    | INTERFACE
+    | OBJECT
+    | UNION
+    | ARGUMENT_DEFINITION
+    | SCALAR
+    | ENUM
+    | ENUM_VALUE
+    | INPUT_OBJECT
+    | INPUT_FIELD_DEFINITION
+scalar FieldSet
+
+#
+# https://specs.apollo.dev/link/v1.0/link-v1.0.graphql
+#
+
+directive @link(
+    url: String!,
+    as: String,
+    import: [Import],
+    for: Purpose)
+repeatable on SCHEMA
+
+scalar Import
+
+enum Purpose {
+  SECURITY
+  EXECUTION
+}
+
+#
+# federation-v2.1
+#
+
+directive @composeDirective(name: String!) repeatable on SCHEMA
+
+#
+# federation-v2.2
+#
+
+directive @shareable repeatable on FIELD_DEFINITION | OBJECT
+
+#
+# federation-v2.3
+#
+
+directive @interfaceObject on OBJECT
+
+#
+# federation-v2.5
+#
+
+directive @authenticated on
+    ENUM
+  | FIELD_DEFINITION
+  | INTERFACE
+  | OBJECT
+  | SCALAR
+
+directive @requiresScopes(scopes: [[Scope!]!]!) on
+    ENUM
+  | FIELD_DEFINITION
+  | INTERFACE
+  | OBJECT
+  | SCALAR
+
+scalar Scope
+
+#
+# federation-v2.6
+#
+
+directive @policy(policies: [[Policy!]!]!) on
+    ENUM
+  | FIELD_DEFINITION
+  | INTERFACE
+  | OBJECT
+  | SCALAR
+
+scalar Policy
+
+#
+# federation-v2.7
+#
+
+directive @override(from: String!, label: String) on FIELD_DEFINITION
+
+#
+# federation-v2.8
+#
+
+scalar ContextFieldValue
+
+directive @context(name: String!) repeatable on INTERFACE | OBJECT | UNION
+
+directive @fromContext(field: ContextFieldValue) on ARGUMENT_DEFINITION

graphql-java-support/src/test/java/com/apollographql/federation/graphqljava/FederationTest.java

@@ -327,6 +327,11 @@ public void verifyFederationV2Transformation_policy() {
     verifyFederationTransformation("schemas/policy/schema.graphql");
   }
 
+  @Test
+  public void verifyFederationV2Transformation_context() {
+    verifyFederationTransformation("schemas/context/schema.graphql");
+  }
+
   @Test
   public void
       verifyFederationV2Transformation_requiresScopesFromUnsupportedVersion_throwsException() {

graphql-java-support/src/test/resources/schemas/context/schema.graphql

@@ -0,0 +1,16 @@
+extend schema @link(url: "https://specs.apollo.dev/federation/v2.8", import: ["@key", "@context", "@fromContext"])
+
+type Product @key(fields: "id") @context(name: "product") {
+    id: ID!
+    name: String!
+    child: Child!
+}
+
+type Child @key(fields: "id") {
+  id: ID!
+  details(productName: String @fromContext(field: "$product { name }")): String!
+}
+
+type Query {
+    product(id: ID!): Product
+}

graphql-java-support/src/test/resources/schemas/context/schema_federated.graphql

@@ -0,0 +1,77 @@
+schema @link(import : ["@key", "@context", "@fromContext"], url : "https://specs.apollo.dev/federation/v2.8"){
+  query: Query
+}
+
+directive @context(name: String!) repeatable on OBJECT | INTERFACE | UNION
+
+directive @federation__authenticated on SCALAR | OBJECT | FIELD_DEFINITION | INTERFACE | ENUM
+
+directive @federation__composeDirective(name: String!) repeatable on SCHEMA
+
+directive @federation__extends on OBJECT | INTERFACE
+
+directive @federation__external on OBJECT | FIELD_DEFINITION
+
+directive @federation__interfaceObject on OBJECT
+
+directive @federation__override(from: String!, label: String) on FIELD_DEFINITION
+
+directive @federation__policy(policies: [[federation__Policy!]!]!) on SCALAR | OBJECT | FIELD_DEFINITION | INTERFACE | ENUM
+
+directive @federation__provides(fields: federation__FieldSet!) on FIELD_DEFINITION
+
+directive @federation__requires(fields: federation__FieldSet!) on FIELD_DEFINITION
+
+directive @federation__requiresScopes(scopes: [[federation__Scope!]!]!) on SCALAR | OBJECT | FIELD_DEFINITION | INTERFACE | ENUM
+
+directive @federation__shareable repeatable on OBJECT | FIELD_DEFINITION
+
+directive @fromContext(field: federation__ContextFieldValue) on ARGUMENT_DEFINITION
+
+directive @inaccessible on SCALAR | OBJECT | FIELD_DEFINITION | ARGUMENT_DEFINITION | INTERFACE | UNION | ENUM | ENUM_VALUE | INPUT_OBJECT | INPUT_FIELD_DEFINITION
+
+directive @key(fields: federation__FieldSet!, resolvable: Boolean = true) repeatable on OBJECT | INTERFACE
+
+directive @link(as: String, for: link__Purpose, import: [link__Import], url: String!) repeatable on SCHEMA
+
+directive @tag(name: String!) repeatable on SCALAR | OBJECT | FIELD_DEFINITION | ARGUMENT_DEFINITION | INTERFACE | UNION | ENUM | ENUM_VALUE | INPUT_OBJECT | INPUT_FIELD_DEFINITION
+
+union _Entity = Child | Product
+
+type Child @key(fields : "id", resolvable : true) {
+  details(productName: String @fromContext(field : "$product { name }")): String!
+  id: ID!
+}
+
+type Product @context(name : "product") @key(fields : "id", resolvable : true) {
+  child: Child!
+  id: ID!
+  name: String!
+}
+
+type Query {
+  _entities(representations: [_Any!]!): [_Entity]!
+  _service: _Service!
+  product(id: ID!): Product
+}
+
+type _Service {
+  sdl: String!
+}
+
+enum link__Purpose {
+  EXECUTION
+  SECURITY
+}
+
+scalar _Any
+
+scalar federation__ContextFieldValue
+
+scalar federation__FieldSet
+
+scalar federation__Policy
+
+scalar federation__Scope
+
+scalar link__Import

graphql-java-support/src/test/resources/schemas/context/schema_full.graphql

@@ -0,0 +1,104 @@
+schema @link(import : ["@key", "@context", "@fromContext"], url : "https://specs.apollo.dev/federation/v2.8"){
+  query: Query
+}
+
+directive @context(name: String!) repeatable on OBJECT | INTERFACE | UNION
+
+"Marks the field, argument, input field or enum value as deprecated"
+directive @deprecated(
+    "The reason for the deprecation"
+    reason: String = "No longer supported"
+  ) on FIELD_DEFINITION | ARGUMENT_DEFINITION | ENUM_VALUE | INPUT_FIELD_DEFINITION
+
+directive @federation__authenticated on SCALAR | OBJECT | FIELD_DEFINITION | INTERFACE | ENUM
+
+directive @federation__composeDirective(name: String!) repeatable on SCHEMA
+
+directive @federation__extends on OBJECT | INTERFACE
+
+directive @federation__external on OBJECT | FIELD_DEFINITION
+
+directive @federation__interfaceObject on OBJECT
+
+directive @federation__override(from: String!, label: String) on FIELD_DEFINITION
+
+directive @federation__policy(policies: [[federation__Policy!]!]!) on SCALAR | OBJECT | FIELD_DEFINITION | INTERFACE | ENUM
+
+directive @federation__provides(fields: federation__FieldSet!) on FIELD_DEFINITION
+
+directive @federation__requires(fields: federation__FieldSet!) on FIELD_DEFINITION
+
+directive @federation__requiresScopes(scopes: [[federation__Scope!]!]!) on SCALAR | OBJECT | FIELD_DEFINITION | INTERFACE | ENUM
+
+directive @federation__shareable repeatable on OBJECT | FIELD_DEFINITION
+
+directive @fromContext(field: federation__ContextFieldValue) on ARGUMENT_DEFINITION
+
+directive @inaccessible on SCALAR | OBJECT | FIELD_DEFINITION | ARGUMENT_DEFINITION | INTERFACE | UNION | ENUM | ENUM_VALUE | INPUT_OBJECT | INPUT_FIELD_DEFINITION
+
+"Directs the executor to include this field or fragment only when the `if` argument is true"
+directive @include(
+    "Included when true."
+    if: Boolean!
+  ) on FIELD | FRAGMENT_SPREAD | INLINE_FRAGMENT
+
+directive @key(fields: federation__FieldSet!, resolvable: Boolean = true) repeatable on OBJECT | INTERFACE
+
+directive @link(as: String, for: link__Purpose, import: [link__Import], url: String!) repeatable on SCHEMA
+
+"Indicates an Input Object is a OneOf Input Object."
+directive @oneOf on INPUT_OBJECT
+
+"Directs the executor to skip this field or fragment when the `if` argument is true."
+directive @skip(
+    "Skipped when true."
+    if: Boolean!
+  ) on FIELD | FRAGMENT_SPREAD | INLINE_FRAGMENT
+
+"Exposes a URL that specifies the behaviour of this scalar."
+directive @specifiedBy(
+    "The URL that specifies the behaviour of this scalar."
+    url: String!
+  ) on SCALAR
+
+directive @tag(name: String!) repeatable on SCALAR | OBJECT | FIELD_DEFINITION | ARGUMENT_DEFINITION | INTERFACE | UNION | ENUM | ENUM_VALUE | INPUT_OBJECT | INPUT_FIELD_DEFINITION
+
+union _Entity = Child | Product
+
+type Child @key(fields : "id", resolvable : true) {
+  details(productName: String @fromContext(field : "$product { name }")): String!
+  id: ID!
+}
+
+type Product @context(name : "product") @key(fields : "id", resolvable : true) {
+  child: Child!
+  id: ID!
+  name: String!
+}
+
+type Query {
+  _entities(representations: [_Any!]!): [_Entity]!
+  _service: _Service!
+  product(id: ID!): Product
+}
+
+type _Service {
+  sdl: String!
+}
+
+enum link__Purpose {
+  EXECUTION
+  SECURITY
+}
+
+scalar _Any
+
+scalar federation__ContextFieldValue
+
+scalar federation__FieldSet
+
+scalar federation__Policy
+
+scalar federation__Scope
+
+scalar link__Import