Struct postgres_es::PostgresSnapshotStore[−][src]

pub struct PostgresSnapshotStore<A: Aggregate> { /* fields omitted */ }
Expand description

Storage engine using an Postgres backing and relying on a serialization of the aggregate rather than individual events. This is similar to the “snapshot strategy” seen in many CQRS frameworks.

Implementations

impl<A: Aggregate> PostgresSnapshotStore<A>[src]

pub fn new(conn: Connection) -> Self[src]

Creates a new PostgresSnapshotStore from the provided database connection.

Trait Implementations

impl<A: Aggregate> EventStore<A, PostgresSnapshotStoreAggregateContext<A>> for PostgresSnapshotStore<A>[src]

fn load(&self, aggregate_id: &str) -> Vec<EventEnvelope<A>>[src]

Load all events for a particular aggregate_id

fn load_aggregate(
    &self,
    aggregate_id: &str
) -> PostgresSnapshotStoreAggregateContext<A>[src]

Load aggregate at current state

fn commit(
    &self,
    events: Vec<A::Event>,
    context: PostgresSnapshotStoreAggregateContext<A>,
    metadata: HashMap<String, String>
) -> Result<Vec<EventEnvelope<A>>, AggregateError>[src]

Commit new events

fn wrap_events(
    &self,
    aggregate_id: &str,
    current_sequence: usize,
    resultant_events: Vec<<A as Aggregate>::Event, Global>,
    base_metadata: HashMap<String, String, RandomState>
) -> Vec<EventEnvelope<A>, Global>[src]

Method to wrap a set of events with the additional metadata needed for persistence and publishing

Auto Trait Implementations

impl<A> !RefUnwindSafe for PostgresSnapshotStore<A>

impl<A> Send for PostgresSnapshotStore<A>

impl<A> !Sync for PostgresSnapshotStore<A>

impl<A> Unpin for PostgresSnapshotStore<A> where
    A: Unpin, 

impl<A> !UnwindSafe for PostgresSnapshotStore<A>

Blanket Implementations

impl<T> Any for T where
    T: 'static + ?Sized, [src]

pub fn type_id(&self) -> TypeId[src]

Gets the TypeId of self. Read more

impl<T> Borrow<T> for T where
    T: ?Sized, [src]

pub fn borrow(&self) -> &T[src]

Immutably borrows from an owned value. Read more

impl<T> BorrowMut<T> for T where
    T: ?Sized, [src]

pub fn borrow_mut(&mut self) -> &mut T[src]

Mutably borrows from an owned value. Read more

impl<T> From<T> for T[src]

pub fn from(t: T) -> T[src]

Performs the conversion.

impl<T, U> Into<U> for T where
    U: From<T>, [src]

pub fn into(self) -> U[src]

Performs the conversion.

impl<T> Same<T> for T

type Output = T

Should always be Self

impl<T, U> TryFrom<U> for T where
    U: Into<T>, [src]

type Error = Infallible

The type returned in the event of a conversion error.

pub fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>[src]

Performs the conversion.

impl<T, U> TryInto<U> for T where
    U: TryFrom<T>, [src]

type Error = <U as TryFrom<T>>::Error

The type returned in the event of a conversion error.

pub fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>[src]

Performs the conversion.