datasources 0.1.58

Async datasource interfaces, middleware, registry, and test doubles
Documentation 
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use crate::entity::Entity;
use crate::repository_tree::RepositoryTree;
use crate::result::Result;
use crate::row::Row;
use crate::schema::Schema;
use crate::write_mode::WriteMode;
use async_trait::async_trait;

#[async_trait]
pub trait WriteEnrichmentStrategy<T: Entity = Row>: Send + Sync {
    fn use_transaction(&self) -> bool {
        false
    }

    async fn persist(
        &self,
        tree: &RepositoryTree<T>,
        items: &mut [T],
        mode: WriteMode,
    ) -> Result<()>;

    async fn persist_bulk(
        &self,
        tree: &RepositoryTree<T>,
        items: &mut [T],
        mode: WriteMode,
    ) -> Result<()> {
        self.persist(tree, items, mode).await
    }

    async fn resolve_lookups(
        &self,
        _tree: &RepositoryTree<T>,
        _items: &mut [T],
        _record: &mut Row,
        _schema: &Schema,
    ) -> Result<()> {
        Ok(())
    }
}