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Added a read only copy of a type registry for performance reasons by bbakerman · Pull Request #4021 · graphql-java/graphql-java · GitHub

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Added a read only copy of a type registry for performance reasons #4021

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Merged
bbakerman merged 2 commits into from
Jul 4, 2025
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Added a read only copy of a type registry for performance reasons #4021

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e2f7467
Added a read only copy of a type registry
bbakerman Jun 24, 2025
3409acf
Added a read only copy of a type registry - tweak tests
bbakerman Jun 24, 2025
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132 changes: 132 additions & 0 deletions src/main/java/graphql/schema/idl/ImmutableTypeDefinitionRegistry.java
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Original file line number Diff line number Diff line change
@@ -0,0 +1,132 @@
package graphql.schema.idl;

import com.google.common.collect.ImmutableList;
import com.google.common.collect.ImmutableMap;
import graphql.GraphQLError;
import graphql.PublicApi;
import graphql.language.DirectiveDefinition;
import graphql.language.EnumTypeExtensionDefinition;
import graphql.language.InputObjectTypeExtensionDefinition;
import graphql.language.InterfaceTypeExtensionDefinition;
import graphql.language.ObjectTypeExtensionDefinition;
import graphql.language.SDLDefinition;
import graphql.language.ScalarTypeDefinition;
import graphql.language.ScalarTypeExtensionDefinition;
import graphql.language.SchemaExtensionDefinition;
import graphql.language.TypeDefinition;
import graphql.language.UnionTypeExtensionDefinition;
import graphql.schema.idl.errors.SchemaProblem;
import org.jspecify.annotations.NullMarked;

import java.util.Collection;
import java.util.List;
import java.util.Map;
import java.util.Optional;

import static com.google.common.collect.ImmutableMap.copyOf;

/**
* A {@link ImmutableTypeDefinitionRegistry} contains an immutable set of type definitions that come from compiling
* a graphql schema definition file via {@link SchemaParser#parse(String)} and is more performant because it
* uses {@link ImmutableMap} structures.
*/
@SuppressWarnings("rawtypes")
@PublicApi
@NullMarked
public class ImmutableTypeDefinitionRegistry extends TypeDefinitionRegistry {
ImmutableTypeDefinitionRegistry(TypeDefinitionRegistry registry) {
super(
copyOf(registry.objectTypeExtensions),
copyOf(registry.interfaceTypeExtensions),
copyOf(registry.unionTypeExtensions),
copyOf(registry.enumTypeExtensions),
copyOf(registry.scalarTypeExtensions),
copyOf(registry.inputObjectTypeExtensions),
copyOf(registry.types),
copyOf(registry.scalars()), // has an extra side effect
copyOf(registry.directiveDefinitions),
ImmutableList.copyOf(registry.schemaExtensionDefinitions),
registry.schema,
registry.schemaParseOrder
);
}

private UnsupportedOperationException unsupportedOperationException() {
return new UnsupportedOperationException("The TypeDefinitionRegistry is in read only mode");
}

@Override
public TypeDefinitionRegistry merge(TypeDefinitionRegistry typeRegistry) throws SchemaProblem {
throw unsupportedOperationException();
}

@Override
public Optional<GraphQLError> addAll(Collection<SDLDefinition> definitions) {
throw unsupportedOperationException();
}

@Override
public Optional<GraphQLError> add(SDLDefinition definition) {
throw unsupportedOperationException();
}

@Override
public void remove(SDLDefinition definition) {
throw unsupportedOperationException();
}

@Override
public void remove(String key, SDLDefinition definition) {
throw unsupportedOperationException();
}

bbakerman Jun 24, 2025

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Choose a reason Spam Abuse Off Topic Outdated Duplicate Resolved Low Quality

All the mutative methods are unsupported

@Override
public Map<String, TypeDefinition> types() {
return types;
}

@Override
public Map<String, ScalarTypeDefinition> scalars() {
return scalarTypes;
}

@Override
public Map<String, List<ObjectTypeExtensionDefinition>> objectTypeExtensions() {
return objectTypeExtensions;
}

@Override
public Map<String, List<InterfaceTypeExtensionDefinition>> interfaceTypeExtensions() {
return interfaceTypeExtensions;
}

@Override
public Map<String, List<UnionTypeExtensionDefinition>> unionTypeExtensions() {
return unionTypeExtensions;
}

@Override
public Map<String, List<EnumTypeExtensionDefinition>> enumTypeExtensions() {
return enumTypeExtensions;
}

@Override
public Map<String, List<ScalarTypeExtensionDefinition>> scalarTypeExtensions() {
return scalarTypeExtensions;
}

@Override
public Map<String, List<InputObjectTypeExtensionDefinition>> inputObjectTypeExtensions() {
return inputObjectTypeExtensions;
}

@Override
public List<SchemaExtensionDefinition> getSchemaExtensionDefinitions() {
return schemaExtensionDefinitions;
}

@Override
public Map<String, DirectiveDefinition> getDirectiveDefinitions() {
return directiveDefinitions;
}
}

bbakerman Jun 24, 2025

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Choose a reason Spam Abuse Off Topic Outdated Duplicate Resolved Low Quality

No copies made for these read only methods
10 changes: 6 additions & 4 deletions src/main/java/graphql/schema/idl/SchemaGenerator.java
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Original file line number Diff line number Diff line change
Expand Up @@ -103,17 +103,19 @@ public GraphQLSchema makeExecutableSchema(Options options, TypeDefinitionRegistr

schemaGeneratorHelper.addDirectivesIncludedByDefault(typeRegistryCopy);

List<GraphQLError> errors = typeChecker.checkTypeRegistry(typeRegistryCopy, wiring);
// by making it read only all the traversal and checks run faster
ImmutableTypeDefinitionRegistry fasterImmutableRegistry = typeRegistryCopy.readOnly();
List<GraphQLError> errors = typeChecker.checkTypeRegistry(fasterImmutableRegistry, wiring);

bbakerman Jun 24, 2025

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Choose a reason Spam Abuse Off Topic Outdated Duplicate Resolved Low Quality

This is where the performance gains will be made
if (!errors.isEmpty()) {
throw new SchemaProblem(errors);
}

Map<String, OperationTypeDefinition> operationTypeDefinitions = SchemaExtensionsChecker.gatherOperationDefs(typeRegistry);
Map<String, OperationTypeDefinition> operationTypeDefinitions = SchemaExtensionsChecker.gatherOperationDefs(fasterImmutableRegistry);

return makeExecutableSchemaImpl(typeRegistryCopy, wiring, operationTypeDefinitions, options);
return makeExecutableSchemaImpl(fasterImmutableRegistry, wiring, operationTypeDefinitions, options);
}

private GraphQLSchema makeExecutableSchemaImpl(TypeDefinitionRegistry typeRegistry,
private GraphQLSchema makeExecutableSchemaImpl(ImmutableTypeDefinitionRegistry typeRegistry,
RuntimeWiring wiring,
Map<String, OperationTypeDefinition> operationTypeDefinitions,
Options options) {
Expand Down
4 changes: 2 additions & 2 deletions src/main/java/graphql/schema/idl/SchemaGeneratorHelper.java
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Original file line number Diff line number Diff line change
Expand Up @@ -111,7 +111,7 @@ public class SchemaGeneratorHelper {
* it gives us helper functions
*/
static class BuildContext {
private final TypeDefinitionRegistry typeRegistry;
private final ImmutableTypeDefinitionRegistry typeRegistry;
private final RuntimeWiring wiring;

bbakerman Jun 24, 2025

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Choose a reason Spam Abuse Off Topic Outdated Duplicate Resolved Low Quality

I made this use the type just to be more explicit but I didnt change it every where it gets used
private final Deque<String> typeStack = new ArrayDeque<>();

Expand All @@ -123,7 +123,7 @@ static class BuildContext {
public final SchemaGenerator.Options options;
public boolean directiveWiringRequired;

BuildContext(TypeDefinitionRegistry typeRegistry, RuntimeWiring wiring, Map<String, OperationTypeDefinition> operationTypeDefinitions, SchemaGenerator.Options options) {
BuildContext(ImmutableTypeDefinitionRegistry typeRegistry, RuntimeWiring wiring, Map<String, OperationTypeDefinition> operationTypeDefinitions, SchemaGenerator.Options options) {
this.typeRegistry = typeRegistry;
this.wiring = wiring;
this.codeRegistry = GraphQLCodeRegistry.newCodeRegistry(wiring.getCodeRegistry());
Expand Down
2 changes: 1 addition & 1 deletion src/main/java/graphql/schema/idl/SchemaTypeChecker.java
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Original file line number Diff line number Diff line change
Expand Up @@ -52,7 +52,7 @@
@Internal
public class SchemaTypeChecker {

public List<GraphQLError> checkTypeRegistry(TypeDefinitionRegistry typeRegistry, RuntimeWiring wiring) throws SchemaProblem {
public List<GraphQLError> checkTypeRegistry(ImmutableTypeDefinitionRegistry typeRegistry, RuntimeWiring wiring) throws SchemaProblem {

bbakerman Jun 24, 2025

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Choose a reason Spam Abuse Off Topic Outdated Duplicate Resolved Low Quality

I made this use the type just to be more explicit but I didnt change it every where it gets used
List<GraphQLError> errors = new ArrayList<>();
checkForMissingTypes(errors, typeRegistry);

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76 changes: 63 additions & 13 deletions src/main/java/graphql/schema/idl/TypeDefinitionRegistry.java
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Original file line number Diff line number Diff line change
Expand Up @@ -54,20 +54,70 @@
@NullMarked
public class TypeDefinitionRegistry implements Serializable {

private final Map<String, List<ObjectTypeExtensionDefinition>> objectTypeExtensions = new LinkedHashMap<>();
private final Map<String, List<InterfaceTypeExtensionDefinition>> interfaceTypeExtensions = new LinkedHashMap<>();
private final Map<String, List<UnionTypeExtensionDefinition>> unionTypeExtensions = new LinkedHashMap<>();
private final Map<String, List<EnumTypeExtensionDefinition>> enumTypeExtensions = new LinkedHashMap<>();
private final Map<String, List<ScalarTypeExtensionDefinition>> scalarTypeExtensions = new LinkedHashMap<>();
private final Map<String, List<InputObjectTypeExtensionDefinition>> inputObjectTypeExtensions = new LinkedHashMap<>();

private final Map<String, TypeDefinition> types = new LinkedHashMap<>();
private final Map<String, ScalarTypeDefinition> scalarTypes = new LinkedHashMap<>();
private final Map<String, DirectiveDefinition> directiveDefinitions = new LinkedHashMap<>();
private @Nullable SchemaDefinition schema;
private final List<SchemaExtensionDefinition> schemaExtensionDefinitions = new ArrayList<>();
private final SchemaParseOrder schemaParseOrder = new SchemaParseOrder();
protected final Map<String, List<ObjectTypeExtensionDefinition>> objectTypeExtensions;
protected final Map<String, List<InterfaceTypeExtensionDefinition>> interfaceTypeExtensions;
protected final Map<String, List<UnionTypeExtensionDefinition>> unionTypeExtensions;
protected final Map<String, List<EnumTypeExtensionDefinition>> enumTypeExtensions;
protected final Map<String, List<ScalarTypeExtensionDefinition>> scalarTypeExtensions;
protected final Map<String, List<InputObjectTypeExtensionDefinition>> inputObjectTypeExtensions;

protected final Map<String, TypeDefinition> types;
protected final Map<String, ScalarTypeDefinition> scalarTypes;
protected final Map<String, DirectiveDefinition> directiveDefinitions;
protected @Nullable SchemaDefinition schema;
protected final List<SchemaExtensionDefinition> schemaExtensionDefinitions;
protected final SchemaParseOrder schemaParseOrder;

public TypeDefinitionRegistry() {
objectTypeExtensions = new LinkedHashMap<>();
interfaceTypeExtensions = new LinkedHashMap<>();
unionTypeExtensions = new LinkedHashMap<>();
enumTypeExtensions = new LinkedHashMap<>();
scalarTypeExtensions = new LinkedHashMap<>();
inputObjectTypeExtensions = new LinkedHashMap<>();
types = new LinkedHashMap<>();
scalarTypes = new LinkedHashMap<>();
directiveDefinitions = new LinkedHashMap<>();
schemaExtensionDefinitions = new ArrayList<>();
schemaParseOrder = new SchemaParseOrder();
}

protected TypeDefinitionRegistry(Map<String, List<ObjectTypeExtensionDefinition>> objectTypeExtensions,
Map<String, List<InterfaceTypeExtensionDefinition>> interfaceTypeExtensions,
Map<String, List<UnionTypeExtensionDefinition>> unionTypeExtensions,
Map<String, List<EnumTypeExtensionDefinition>> enumTypeExtensions,
Map<String, List<ScalarTypeExtensionDefinition>> scalarTypeExtensions,
Map<String, List<InputObjectTypeExtensionDefinition>> inputObjectTypeExtensions,
Map<String, TypeDefinition> types,
Map<String, ScalarTypeDefinition> scalarTypes,
Map<String, DirectiveDefinition> directiveDefinitions,
List<SchemaExtensionDefinition> schemaExtensionDefinitions,
@Nullable SchemaDefinition schema,
SchemaParseOrder schemaParseOrder) {
this.objectTypeExtensions = objectTypeExtensions;
this.interfaceTypeExtensions = interfaceTypeExtensions;
this.unionTypeExtensions = unionTypeExtensions;
this.enumTypeExtensions = enumTypeExtensions;
this.scalarTypeExtensions = scalarTypeExtensions;
this.inputObjectTypeExtensions = inputObjectTypeExtensions;
this.types = types;
this.scalarTypes = scalarTypes;
this.directiveDefinitions = directiveDefinitions;
this.schemaExtensionDefinitions = schemaExtensionDefinitions;
this.schema = schema;
this.schemaParseOrder = schemaParseOrder;
}

/**
* @return an immutable view of this {@link TypeDefinitionRegistry} that is more performant
* when in read only mode.
*/
public ImmutableTypeDefinitionRegistry readOnly() {
if (this instanceof ImmutableTypeDefinitionRegistry) {
return (ImmutableTypeDefinitionRegistry) this;
}
return new ImmutableTypeDefinitionRegistry(this);
}

/**
* @return the order in which {@link SDLDefinition}s were parsed
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