use of graphql.schema.idl.errors.SchemaRedefinitionError in project graphql-java by graphql-java.
the class TypeDefinitionRegistry method merge.
/**
* This will merge these type registries together and return this one
*
* @param typeRegistry the registry to be merged into this one
*
* @return this registry
*
* @throws SchemaProblem if there are problems merging the types such as redefinitions
*/
public TypeDefinitionRegistry merge(TypeDefinitionRegistry typeRegistry) throws SchemaProblem {
List<GraphQLError> errors = new ArrayList<>();
Map<String, TypeDefinition> tempTypes = new LinkedHashMap<>();
typeRegistry.types.values().forEach(newEntry -> {
Optional<GraphQLError> defined = define(this.types, tempTypes, newEntry);
defined.ifPresent(errors::add);
});
Map<String, ScalarTypeDefinition> tempScalarTypes = new LinkedHashMap<>();
typeRegistry.scalarTypes.values().forEach(newEntry -> define(this.scalarTypes, tempScalarTypes, newEntry).ifPresent(errors::add));
if (typeRegistry.schema != null && this.schema != null) {
errors.add(new SchemaRedefinitionError(this.schema, typeRegistry.schema));
}
if (!errors.isEmpty()) {
throw new SchemaProblem(errors);
}
if (this.schema == null) {
// ensure schema is not overwritten by merge
this.schema = typeRegistry.schema;
}
// ok commit to the merge
this.types.putAll(tempTypes);
this.scalarTypes.putAll(tempScalarTypes);
//
// merge type extensions since they can be redefined by design
typeRegistry.typeExtensions.forEach((key, value) -> {
List<ObjectTypeExtensionDefinition> currentList = this.typeExtensions.computeIfAbsent(key, k -> new ArrayList<>());
currentList.addAll(value);
});
typeRegistry.interfaceTypeExtensions.forEach((key, value) -> {
List<InterfaceTypeExtensionDefinition> currentList = this.interfaceTypeExtensions.computeIfAbsent(key, k -> new ArrayList<>());
currentList.addAll(value);
});
typeRegistry.unionTypeExtensions.forEach((key, value) -> {
List<UnionTypeExtensionDefinition> currentList = this.unionTypeExtensions.computeIfAbsent(key, k -> new ArrayList<>());
currentList.addAll(value);
});
typeRegistry.enumTypeExtensions.forEach((key, value) -> {
List<EnumTypeExtensionDefinition> currentList = this.enumTypeExtensions.computeIfAbsent(key, k -> new ArrayList<>());
currentList.addAll(value);
});
typeRegistry.scalarTypeExtensions.forEach((key, value) -> {
List<ScalarTypeExtensionDefinition> currentList = this.scalarTypeExtensions.computeIfAbsent(key, k -> new ArrayList<>());
currentList.addAll(value);
});
typeRegistry.inputObjectTypeExtensions.forEach((key, value) -> {
List<InputObjectTypeExtensionDefinition> currentList = this.inputObjectTypeExtensions.computeIfAbsent(key, k -> new ArrayList<>());
currentList.addAll(value);
});
return this;
}
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