Struct MemoryPolicySource 

pub struct MemoryPolicySource { /* private fields */ }

A source over a database value held in memory: the embedded case, and what tests and corium authz check --policy use.

Implementations

impl MemoryPolicySource

pub fn new(name: impl Into<String>, db: Db) -> Self

Wraps db under the name name.

pub fn set(&self, db: Db)

Replaces the snapshot, as a transaction against the authz database would.

pub fn shared(self) -> Arc<dyn PolicySource>

Wraps this source for use with crate::SystemDbAuthorizer.

Trait Implementations

impl PolicySource for MemoryPolicySource

fn name(&self) -> &str

Name of the authz database, for errors and audit lines.

fn snapshot<'life0, 'async_trait>( &'life0 self, ) -> Pin<Box<dyn Future<Output = Result<Db, SourceError>> + Send + 'async_trait>>

where Self: 'async_trait, 'life0: 'async_trait,

The current snapshot.

fn changed<'life0, 'async_trait>( &'life0 self, basis_t: u64, ) -> Pin<Box<dyn Future<Output = ()> + Send + 'async_trait>>

where Self: 'async_trait, 'life0: 'async_trait,

Resolves when the source may have advanced past basis_t.