pub struct AppDag { /* private fields */ }Expand description
AppDag maintains the causal graph of the app. It’s faster to answer the question like what’s the LCA version
Implementations§
Source§impl AppDag
impl AppDag
pub fn frontiers(&self) -> &Frontiers
pub fn vv(&self) -> &VersionVector
pub fn shallow_since_vv(&self) -> &ImVersionVector
pub fn shallow_since_frontiers(&self) -> &Frontiers
pub fn is_empty(&self) -> bool
pub fn total_parsed_dag_node(&self) -> usize
Sourcepub fn check_dag_correctness(&self)
pub fn check_dag_correctness(&self)
This method is slow and should only be used for debugging and testing.
It will check the following properties:
- Counter is continuous
- A node always depends of the last ids of other nodes
- Lamport is correctly calculated
- VV for each node is correctly calculated
- Frontiers are correctly calculated
Source§impl AppDag
impl AppDag
Sourcepub fn get_vv(&self, id: ID) -> Option<ImVersionVector>
pub fn get_vv(&self, id: ID) -> Option<ImVersionVector>
get the version vector for a certain op. It’s the version when the op is applied
Sourcepub fn cmp_version(&self, a: ID, b: ID) -> Option<Ordering>
pub fn cmp_version(&self, a: ID, b: ID) -> Option<Ordering>
Compare the causal order of two versions. If None, two versions are concurrent to each other
pub fn get_lamport(&self, id: &ID) -> Option<Lamport>
pub fn get_change_lamport_from_deps(&self, deps: &Frontiers) -> Option<Lamport>
Sourcepub fn frontiers_to_vv(&self, frontiers: &Frontiers) -> Option<VersionVector>
pub fn frontiers_to_vv(&self, frontiers: &Frontiers) -> Option<VersionVector>
Convert a frontiers to a version vector
If the frontiers version is not found in the dag, return None
pub fn im_vv_to_frontiers(&self, vv: &ImVersionVector) -> Frontiers
pub fn vv_to_frontiers(&self, vv: &VersionVector) -> Frontiers
pub fn get_frontiers(&self) -> &Frontiers
Sourcepub fn cmp_with_frontiers(&self, other: &Frontiers) -> Ordering
pub fn cmp_with_frontiers(&self, other: &Frontiers) -> Ordering
- Ordering::Less means self is less than target or parallel
- Ordering::Equal means versions equal
- Ordering::Greater means self’s version is greater than target
Sourcepub fn cmp_frontiers(
&self,
a: &Frontiers,
b: &Frontiers,
) -> Result<Option<Ordering>, FrontiersNotIncluded>
pub fn cmp_frontiers( &self, a: &Frontiers, b: &Frontiers, ) -> Result<Option<Ordering>, FrontiersNotIncluded>
Compare two Frontiers causally.
If one of the Frontiers are not included, it will return FrontiersNotIncluded.
Trait Implementations§
Auto Trait Implementations§
impl !Freeze for AppDag
impl RefUnwindSafe for AppDag
impl Send for AppDag
impl Sync for AppDag
impl Unpin for AppDag
impl UnwindSafe for AppDag
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