async-graphql/src/custom_directive.rs

32 lines
820 B
Rust

use crate::extensions::ResolveFut;
use crate::parser::types::Directive;
use crate::registry::Registry;
use crate::{Context, ContextDirective, ServerResult, Value};
#[doc(hidden)]
pub trait CustomDirectiveFactory: Send + Sync + 'static {
fn name(&self) -> &'static str;
fn register(&self, registry: &mut Registry);
fn create(
&self,
ctx: &ContextDirective<'_>,
directive: &Directive,
) -> ServerResult<Box<dyn CustomDirective>>;
}
/// Represents a custom directive.
#[async_trait::async_trait]
#[allow(unused_variables)]
pub trait CustomDirective: Sync + Send + 'static {
/// Called at resolve field.
async fn resolve_field(
&self,
ctx: &Context<'_>,
resolve: ResolveFut<'_>,
) -> ServerResult<Option<Value>> {
resolve.await
}
}