Struct OperationGraph 

pub struct OperationGraph {
    pub version: u32,
    pub operations: HashMap<String, Operation>,
    pub roots: Vec<String>,
    pub head: Option<String>,
}

Persistent operation graph (DAG)

Fields

version: u32

Graph version for future migrations

operations: HashMap<String, Operation>

All operations indexed by ID

roots: Vec<String>

Root operations (no parent)

head: Option<String>

Latest operation ID (head)

Implementations

impl OperationGraph

pub fn new() -> Self

pub fn load(path: &Path) -> Result<Self>

Load graph from file

pub fn save(&self, path: &Path) -> Result<()>

Save graph to file

pub fn add_operation(&mut self, operation: Operation)

Add an operation to the graph

pub fn get_operation(&self, id: &str) -> Option<&Operation>

Get an operation by ID

pub fn get_head(&self) -> Option<&Operation>

Get the latest operation

pub fn operations_chronological(&self) -> Vec<&Operation>

Get all operations in chronological order

pub fn operations_reverse_chronological(&self) -> Vec<&Operation>

Get operations in reverse chronological order

pub fn get_ancestry(&self, id: &str) -> Vec<&Operation>

Get the ancestry chain from an operation back to root

pub fn get_children(&self, id: &str) -> Vec<&Operation>

Get children of an operation

pub fn find_by_checkpoint(&self, checkpoint_id: &str) -> Option<&Operation>

Find operation by checkpoint ID

pub fn len(&self) -> usize

Get operations count

pub fn is_empty(&self) -> bool

Check if graph is empty

pub fn remove_operation_tree(&mut self, id: &str) -> Vec<Operation>

Remove an operation and its descendants

Trait Implementations

impl Clone for OperationGraph

fn clone(&self) -> OperationGraph

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for OperationGraph

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

Formats the value using the given formatter.

impl Default for OperationGraph

fn default() -> OperationGraph

Returns the “default value” for a type.

impl<'de> Deserialize<'de> for OperationGraph

fn deserialize<__D>(__deserializer: __D) -> Result<Self, __D::Error>

where __D: Deserializer<'de>,

Deserialize this value from the given Serde deserializer.

impl Serialize for OperationGraph

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

where __S: Serializer,

Serialize this value into the given Serde serializer.