pub struct TraversalResponse {
pub nodes: Vec<NodeView>,
pub edges: Vec<EdgeRef>,
pub seeds: Vec<String>,
pub truncated: Option<TruncationReason>,
pub revision: GraphRevision,
pub consistent_snapshot: bool,
}Expand description
Traversal / neighborhood response.
Fields§
§nodes: Vec<NodeView>§edges: Vec<EdgeRef>§seeds: Vec<String>The seeds the walk actually started from: the requested keys, deduped, and with the ones the caller may not see removed.
A caller cannot derive this from the request. Denied and unknown seeds are indistinguishable by contract, and both are simply absent, so a traversal from five keys that answers about three is otherwise silent about which three — and “seeds always survive truncation” is a promise with nothing to check it against.
truncated: Option<TruncationReason>§revision: GraphRevision§consistent_snapshot: boolWhether every arm of this read observed one graph state.
The contract asks for a repeatable-read snapshot across seed
resolution, every hop and hydration. A store that cannot hold one
declares StoreCapabilities::snapshots = false, and the service then
brackets the walk with a revision read: unchanged means nothing
committed while it ran and the answer is as good as a snapshot, while
a moved revision means the arms may not agree with each other.
Said out loud because the alternative is a revision field that names
a state the response never existed at, which no consumer can detect
and every revision-keyed cache would trust.
Trait Implementations§
Source§impl Clone for TraversalResponse
impl Clone for TraversalResponse
Source§fn clone(&self) -> TraversalResponse
fn clone(&self) -> TraversalResponse
1.0.0 (const: unstable) · Source§fn clone_from(&mut self, source: &Self)
fn clone_from(&mut self, source: &Self)
source. Read moreSource§impl Debug for TraversalResponse
impl Debug for TraversalResponse
Source§impl PartialEq for TraversalResponse
impl PartialEq for TraversalResponse
impl StructuralPartialEq for TraversalResponse
Auto Trait Implementations§
impl Freeze for TraversalResponse
impl RefUnwindSafe for TraversalResponse
impl Send for TraversalResponse
impl Sync for TraversalResponse
impl Unpin for TraversalResponse
impl UnsafeUnpin for TraversalResponse
impl UnwindSafe for TraversalResponse
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