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Performance issue in `makeSchema` with schemas containing a lot of extensions by xuorig · Pull Request #4020 · graphql-java/graphql-java · GitHub

/ graphql-java Public

Performance issue in makeSchema with schemas containing a lot of extensions #4020

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Performance issue in makeSchema with schemas containing a lot of extensions #4020

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af82ae7
get interface and object type extensions only once in ImplementingTyp…
Jun 23, 2025
ab8b9ca
cache object type extensions on BuildContext
Jun 23, 2025
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55 changes: 38 additions & 17 deletions src/main/java/graphql/schema/idl/ImplementingTypesChecker.java
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Original file line number Diff line number Diff line change
Expand Up @@ -66,30 +66,38 @@ void checkImplementingTypes(List<GraphQLError> errors, TypeDefinitionRegistry ty
List<InterfaceTypeDefinition> interfaces = typeRegistry.getTypes(InterfaceTypeDefinition.class);
List<ObjectTypeDefinition> objects = typeRegistry.getTypes(ObjectTypeDefinition.class);

Map<String, List<ObjectTypeExtensionDefinition>> objectTypeExtensions = typeRegistry.objectTypeExtensions();
Map<String, List<InterfaceTypeExtensionDefinition>> interfaceTypeExtensions = typeRegistry.interfaceTypeExtensions();

Stream.<ImplementingTypeDefinition<?>>concat(interfaces.stream(), objects.stream())
.forEach(type -> checkImplementingType(errors, typeRegistry, type));
.forEach(type -> checkImplementingType(errors, typeRegistry, type, objectTypeExtensions, interfaceTypeExtensions));
}

private void checkImplementingType(
List<GraphQLError> errors,
TypeDefinitionRegistry typeRegistry,
ImplementingTypeDefinition type) {
ImplementingTypeDefinition type,
Map<String, List<ObjectTypeExtensionDefinition>> objectTypeExtensions,
Map<String, List<InterfaceTypeExtensionDefinition>> interfaceTypeDefinition
) {

Map<InterfaceTypeDefinition, ImplementingTypeDefinition> implementedInterfaces =
checkInterfacesNotImplementedMoreThanOnce(errors, type, typeRegistry);
checkInterfacesNotImplementedMoreThanOnce(errors, type, typeRegistry, objectTypeExtensions, interfaceTypeDefinition);

checkInterfaceIsImplemented(errors, typeRegistry, type, implementedInterfaces);
checkInterfaceIsImplemented(errors, typeRegistry, type, implementedInterfaces, objectTypeExtensions, interfaceTypeDefinition);

checkAncestorImplementation(errors, typeRegistry, type, implementedInterfaces);
checkAncestorImplementation(errors, typeRegistry, type, implementedInterfaces, objectTypeExtensions, interfaceTypeDefinition);
}

private Map<InterfaceTypeDefinition, ImplementingTypeDefinition> checkInterfacesNotImplementedMoreThanOnce(
List<GraphQLError> errors,
ImplementingTypeDefinition type,
TypeDefinitionRegistry typeRegistry
TypeDefinitionRegistry typeRegistry,
Map<String, List<ObjectTypeExtensionDefinition>> objectTypeExtensions,
Map<String, List<InterfaceTypeExtensionDefinition>> interfaceTypeDefinition
) {
Map<InterfaceTypeDefinition, List<ImplementingTypeDefinition>> implementedInterfaces =
getLogicallyImplementedInterfaces(type, typeRegistry);
getLogicallyImplementedInterfaces(type, typeRegistry, objectTypeExtensions, interfaceTypeDefinition);

Map<InterfaceTypeDefinition, ImplementingTypeDefinition> interfacesImplementedOnce = implementedInterfaces.entrySet()
.stream()
Expand All @@ -114,15 +122,23 @@ private void checkAncestorImplementation(
List<GraphQLError> errors,
TypeDefinitionRegistry typeRegistry,
ImplementingTypeDefinition type,
Map<InterfaceTypeDefinition, ImplementingTypeDefinition> implementedInterfaces) {
Map<InterfaceTypeDefinition, ImplementingTypeDefinition> implementedInterfaces,
Map<String, List<ObjectTypeExtensionDefinition>> objectTypeExtensions,
Map<String, List<InterfaceTypeExtensionDefinition>> interfaceTypeDefinition
) {

if (implementedInterfaces.containsKey(type)) {
errors.add(new InterfaceImplementingItselfError(TYPE_OF_MAP.get(type.getClass()), type));
return;
}

implementedInterfaces.forEach((implementedInterface, implementingType) -> {
Set<InterfaceTypeDefinition> transitiveInterfaces = getLogicallyImplementedInterfaces(implementedInterface, typeRegistry).keySet();
Set<InterfaceTypeDefinition> transitiveInterfaces = getLogicallyImplementedInterfaces(
implementedInterface,
typeRegistry,
objectTypeExtensions,
interfaceTypeDefinition
).keySet();

transitiveInterfaces.forEach(transitiveInterface -> {
if (transitiveInterface.equals(type)) {
Expand All @@ -138,9 +154,11 @@ private void checkInterfaceIsImplemented(
List<GraphQLError> errors,
TypeDefinitionRegistry typeRegistry,
ImplementingTypeDefinition type,
Map<InterfaceTypeDefinition, ImplementingTypeDefinition> implementedInterfaces
Map<InterfaceTypeDefinition, ImplementingTypeDefinition> implementedInterfaces,
Map<String, List<ObjectTypeExtensionDefinition>> objectTypeExtensions,
Map<String, List<InterfaceTypeExtensionDefinition>> interfaceTypeDefinition
) {
Set<FieldDefinition> fieldDefinitions = getLogicallyDeclaredFields(type, typeRegistry);
Set<FieldDefinition> fieldDefinitions = getLogicallyDeclaredFields(type, objectTypeExtensions, interfaceTypeDefinition);

Map<String, FieldDefinition> typeFields = fieldDefinitions.stream()
.collect(toMap(FieldDefinition::getName, Function.identity(), mergeFirstValue()));
Expand Down Expand Up @@ -212,12 +230,14 @@ private void checkArgumentConsistency(

private Map<InterfaceTypeDefinition, List<ImplementingTypeDefinition>> getLogicallyImplementedInterfaces(
ImplementingTypeDefinition type,
TypeDefinitionRegistry typeRegistry
TypeDefinitionRegistry typeRegistry,
Map<String, List<ObjectTypeExtensionDefinition>> objectTypeExtensions,
Map<String, List<InterfaceTypeExtensionDefinition>> interfaceTypeDefinition
) {

Stream<ImplementingTypeDefinition> extensions = Stream.concat(
typeRegistry.interfaceTypeExtensions().getOrDefault(type.getName(), emptyList()).stream(),
typeRegistry.objectTypeExtensions().getOrDefault(type.getName(), emptyList()).stream()
interfaceTypeDefinition.getOrDefault(type.getName(), emptyList()).stream(),
objectTypeExtensions.getOrDefault(type.getName(), emptyList()).stream()
);

return Stream.concat(Stream.of(type), extensions)
Expand All @@ -235,12 +255,13 @@ private Map<InterfaceTypeDefinition, List<ImplementingTypeDefinition>> getLogica

private Set<FieldDefinition> getLogicallyDeclaredFields(
ImplementingTypeDefinition type,
TypeDefinitionRegistry typeRegistry
Map<String, List<ObjectTypeExtensionDefinition>> objectTypeExtensions,
Map<String, List<InterfaceTypeExtensionDefinition>> interfaceTypeDefinition
) {

Stream<ImplementingTypeDefinition> extensions = Stream.concat(
typeRegistry.interfaceTypeExtensions().getOrDefault(type.getName(), emptyList()).stream(),
typeRegistry.objectTypeExtensions().getOrDefault(type.getName(), emptyList()).stream()
interfaceTypeDefinition.getOrDefault(type.getName(), emptyList()).stream(),
objectTypeExtensions.getOrDefault(type.getName(), emptyList()).stream()
);

return Stream.concat(Stream.of(type), extensions)
Expand Down
4 changes: 3 additions & 1 deletion src/main/java/graphql/schema/idl/SchemaGeneratorHelper.java
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Original file line number Diff line number Diff line change
Expand Up @@ -112,6 +112,7 @@ public class SchemaGeneratorHelper {
*/
static class BuildContext {
private final TypeDefinitionRegistry typeRegistry;
private final Map<String, List<ObjectTypeExtensionDefinition>> objectTypeExtensions;
private final RuntimeWiring wiring;
private final Deque<String> typeStack = new ArrayDeque<>();

Expand All @@ -125,6 +126,7 @@ static class BuildContext {

BuildContext(TypeDefinitionRegistry typeRegistry, RuntimeWiring wiring, Map<String, OperationTypeDefinition> operationTypeDefinitions, SchemaGenerator.Options options) {
this.typeRegistry = typeRegistry;
this.objectTypeExtensions = typeRegistry.objectTypeExtensions();
this.wiring = wiring;
this.codeRegistry = GraphQLCodeRegistry.newCodeRegistry(wiring.getCodeRegistry());
this.operationTypeDefs = operationTypeDefinitions;
Expand Down Expand Up @@ -981,7 +983,7 @@ List<InterfaceTypeExtensionDefinition> interfaceTypeExtensions(InterfaceTypeDefi
}

List<ObjectTypeExtensionDefinition> objectTypeExtensions(ObjectTypeDefinition typeDefinition, BuildContext buildCtx) {
return buildCtx.getTypeRegistry().objectTypeExtensions().getOrDefault(typeDefinition.getName(), emptyList());
return buildCtx.objectTypeExtensions.getOrDefault(typeDefinition.getName(), emptyList());
}

List<UnionTypeExtensionDefinition> unionTypeExtensions(UnionTypeDefinition typeDefinition, BuildContext buildCtx) {
Expand Down
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