Struct CompiledSchemaLoader 

pub struct CompiledSchemaLoader { /* private fields */ }

Loader for compiled GraphQL schemas from JSON files.

Loads and caches a compiled schema from a JSON file on disk. Used during server startup to prepare the schema for query execution.

Implementations

impl CompiledSchemaLoader

pub fn new<P: AsRef<Path>>(path: P) -> Self

Create a new schema loader pointing to a schema file.

Arguments

• path - Path to the compiled schema JSON file

Example

// Requires: schema.compiled.json file on disk.
let loader = CompiledSchemaLoader::new("schema.compiled.json");
let schema = loader.load().await?;

pub async fn load(&self) -> Result<CompiledSchema, SchemaLoadError>

Load schema from file.

Reads the schema JSON file, parses it, and returns a CompiledSchema.

Errors

Returns SchemaLoadError::NotFound if the file does not exist. Returns SchemaLoadError::IoError if the file cannot be read. Returns SchemaLoadError::ParseError if the JSON is malformed. Returns SchemaLoadError::ValidationError if schema validation fails.

Example

// Requires: schema.compiled.json file on disk.
let loader = CompiledSchemaLoader::new("schema.compiled.json");
let schema = loader.load().await?;

pub fn path(&self) -> &Path

Get the path to the schema file.

Trait Implementations

impl Clone for CompiledSchemaLoader

fn clone(&self) -> CompiledSchemaLoader

Returns a duplicate of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Debug for CompiledSchemaLoader

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.