Struct SourceContract 

pub struct SourceContract {
    pub consistency: SourceConsistency,
    pub topology: SourceTopology,
    pub input_mode: SourceInputMode,
    pub row_positions: SourceRowPositionCapability,
    pub replay_order: SourceReplayOrder,
    /* private fields */
}

Complete source admission contract for a concrete connector configuration.

Fields

consistency: SourceConsistency

Recovery and external-progress semantics.

topology: SourceTopology

Valid runtime placement model.

input_mode: SourceInputMode

Update model produced after connector decoding.

row_positions: SourceRowPositionCapability

Deterministic per-row position support.

replay_order: SourceReplayOrder

Order reproduced from a persisted cursor; unspecified unless explicitly declared.

Implementations

impl SourceContract

pub const fn new( consistency: SourceConsistency, topology: SourceTopology, input_mode: SourceInputMode, ) -> Self

Construct a source contract from its recovery, placement, and update dimensions. Exactly-once certification defaults to fail-closed.

pub const fn with_row_positions( self, capability: SourceRowPositionCapability, ) -> Self

Declare the source’s per-row position contract.

pub const fn with_replay_order(self, order: SourceReplayOrder) -> Self

Declare the row order reproduced from a committed cursor. Connector implementations must uphold this for the exact configuration, independently of poll size and timing.

pub const fn supports_fixed_batch_replay(self) -> bool

Whether the declared source shape supports replay at fixed batch boundaries. The runtime must also enforce one physical channel and reproduce its watermark cuts.

pub const fn supports_replay(self) -> bool

Whether a persisted source position can be replayed after recovery.

pub const fn requires_checkpointing(self) -> bool

Whether checkpoint commits are required for safe upstream progress.

Trait Implementations

impl Clone for SourceContract

fn clone(&self) -> Self

Returns a duplicate of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Copy for SourceContract

impl Debug for SourceContract

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl Default for SourceContract

fn default() -> Self

Returns the “default value” for a type.

impl Eq for SourceContract

impl Hash for SourceContract

fn hash<__H: Hasher>(&self, state: &mut __H)

Feeds this value into the given Hasher.

fn hash_slice<H>(data: &[Self], state: &mut H)

where H: Hasher, Self: Sized,

Feeds a slice of this type into the given Hasher.

impl PartialEq for SourceContract

fn eq(&self, other: &Self) -> bool

Equality operator ==.

fn ne(&self, other: &Rhs) -> bool

Inequality operator !=.

impl Serialize for SourceContract

fn serialize<__S>(&self, __serializer: __S) -> Result<__S::Ok, __S::Error>

where __S: Serializer,

Serialize this value into the given Serde serializer.

impl StructuralPartialEq for SourceContract