Struct mz_compute_client::controller::ComputeController
source · pub struct ComputeController<T> { /* private fields */ }
Expand description
A controller for the compute layer.
Implementations§
source§impl<T: Timestamp> ComputeController<T>
impl<T: Timestamp> ComputeController<T>
sourcepub fn new(
build_info: &'static BuildInfo,
envd_epoch: NonZeroI64,
metrics_registry: MetricsRegistry
) -> Self
pub fn new( build_info: &'static BuildInfo, envd_epoch: NonZeroI64, metrics_registry: MetricsRegistry ) -> Self
Construct a new ComputeController
.
sourcepub fn instance_exists(&self, id: ComputeInstanceId) -> bool
pub fn instance_exists(&self, id: ComputeInstanceId) -> bool
TODO(#25239): Add documentation.
sourcepub fn instance_ref(
&self,
id: ComputeInstanceId
) -> Result<ComputeInstanceRef<'_, T>, InstanceMissing>
pub fn instance_ref( &self, id: ComputeInstanceId ) -> Result<ComputeInstanceRef<'_, T>, InstanceMissing>
Return a read-only handle to the indicated compute instance.
sourcepub fn collection(
&self,
instance_id: ComputeInstanceId,
collection_id: GlobalId
) -> Result<&CollectionState<T>, CollectionLookupError>
pub fn collection( &self, instance_id: ComputeInstanceId, collection_id: GlobalId ) -> Result<&CollectionState<T>, CollectionLookupError>
Return a read-only handle to the indicated collection.
sourcepub fn find_collection(
&self,
collection_id: GlobalId
) -> Result<&CollectionState<T>, CollectionLookupError>
pub fn find_collection( &self, collection_id: GlobalId ) -> Result<&CollectionState<T>, CollectionLookupError>
Return a read-only handle to the indicated collection.
sourcepub fn activate<'a>(
&'a mut self,
storage: &'a mut dyn StorageController<Timestamp = T>
) -> ActiveComputeController<'a, T>
pub fn activate<'a>( &'a mut self, storage: &'a mut dyn StorageController<Timestamp = T> ) -> ActiveComputeController<'a, T>
Acquire an ActiveComputeController
by supplying a storage connection.
sourcepub fn collection_reverse_dependencies(
&self,
instance_id: ComputeInstanceId,
id: GlobalId
) -> Result<impl Iterator<Item = &GlobalId>, InstanceMissing>
pub fn collection_reverse_dependencies( &self, instance_id: ComputeInstanceId, id: GlobalId ) -> Result<impl Iterator<Item = &GlobalId>, InstanceMissing>
List compute collections that depend on the given collection.
sourcepub fn set_arrangement_exert_proportionality(&mut self, value: u32)
pub fn set_arrangement_exert_proportionality(&mut self, value: u32)
Set the arrangement_exert_proportionality
value to be passed to new replicas.
sourcepub fn collection_frontiers(
&self
) -> BTreeMap<GlobalId, (Antichain<T>, Antichain<T>)>
pub fn collection_frontiers( &self ) -> BTreeMap<GlobalId, (Antichain<T>, Antichain<T>)>
Returns the read and write frontiers for each collection.
source§impl<T> ComputeController<T>
impl<T> ComputeController<T>
sourcepub fn create_instance(
&mut self,
id: ComputeInstanceId,
arranged_logs: BTreeMap<LogVariant, GlobalId>
) -> Result<(), InstanceExists>
pub fn create_instance( &mut self, id: ComputeInstanceId, arranged_logs: BTreeMap<LogVariant, GlobalId> ) -> Result<(), InstanceExists>
Create a compute instance.
sourcepub fn drop_instance(&mut self, id: ComputeInstanceId)
pub fn drop_instance(&mut self, id: ComputeInstanceId)
sourcepub fn update_configuration(&mut self, config_params: ComputeParameters)
pub fn update_configuration(&mut self, config_params: ComputeParameters)
Update compute configuration.
sourcepub fn initialization_complete(&mut self)
pub fn initialization_complete(&mut self)
Mark the end of any initialization commands.
The implementor may wait for this method to be called before implementing prior commands, and so it is important for a user to invoke this method as soon as it is comfortable. This method can be invoked immediately, at the potential expense of performance.
sourcepub async fn ready(&mut self)
pub async fn ready(&mut self)
Wait until the controller is ready to do some processing.
This method may block for an arbitrarily long time.
When the method returns, the caller should call ActiveComputeController::process
.
This method is cancellation safe.
sourcepub fn set_subscribe_target_replica(
&mut self,
instance_id: ComputeInstanceId,
subscribe_id: GlobalId,
target_replica: ReplicaId
) -> Result<(), SubscribeTargetError>
pub fn set_subscribe_target_replica( &mut self, instance_id: ComputeInstanceId, subscribe_id: GlobalId, target_replica: ReplicaId ) -> Result<(), SubscribeTargetError>
Assign a target replica to the identified subscribe.
If a subscribe has a target replica assigned, only subscribe responses sent by that replica are considered.
Auto Trait Implementations§
impl<T> !RefUnwindSafe for ComputeController<T>
impl<T> Send for ComputeController<T>where
T: Send,
impl<T> Sync for ComputeController<T>
impl<T> Unpin for ComputeController<T>where
T: Unpin,
impl<T> !UnwindSafe for ComputeController<T>
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