Struct GraphState 

pub struct GraphState { /* private fields */ }

The shared state that flows through the graph execution

Implementations

impl GraphState

pub fn new() -> Self

Create a new empty graph state

pub fn with_data(data: HashMap<String, StateValue>) -> Self

Create a new graph state with initial data

pub fn set(&self, key: impl Into<String>, value: impl Into<StateValue>) -> &Self

Set a value in the state

pub fn set_with_context( &self, node_id: &str, key: impl Into<String>, value: impl Into<StateValue>, ) -> &Self

Set a value in the state with node context

pub fn get(&self, key: &str) -> RGraphResult<StateValue>

Get a value from the state

pub fn get_by_path(&self, path: &StatePath) -> RGraphResult<StateValue>

Get a value by path (supports nested access)

pub fn get_typed<T>(&self, key: &str) -> RGraphResult<T>

where T: TryFrom<StateValue>, T::Error: Display,

Get a typed value from the state

pub fn contains_key(&self, key: &str) -> bool

Check if a key exists in the state

pub fn remove(&self, key: &str) -> Option<StateValue>

Remove a value from the state

pub fn clear(&self)

Clear all data from the state

pub fn keys(&self) -> Vec<String>

Get all keys in the state

pub fn len(&self) -> usize

Get the number of items in the state

pub fn is_empty(&self) -> bool

Check if the state is empty

pub fn merge(&self, other: &GraphState)

Merge another state into this one

pub fn snapshot(&self) -> HashMap<String, StateValue>

Create a snapshot of the current state

pub fn set_metadata(&self, key: impl Into<String>, value: impl Into<StateValue>)

Set metadata

pub fn get_metadata(&self, key: &str) -> Option<StateValue>

Get metadata

pub fn execution_history(&self) -> Vec<StateHistoryEntry>

Get execution history

pub fn with_input( self, key: impl Into<String>, value: impl Into<StateValue>, ) -> Self

Convenience method to add input data

pub fn get_output<T>(&self, key: &str) -> RGraphResult<T>

where T: TryFrom<StateValue>, T::Error: Display,

Get output data as a specific type

Trait Implementations

impl Clone for GraphState

fn clone(&self) -> GraphState

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for GraphState

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

Formats the value using the given formatter.

impl Default for GraphState

fn default() -> Self

Returns the “default value” for a type.

impl<'de> Deserialize<'de> for GraphState

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

where __D: Deserializer<'de>,

Deserialize this value from the given Serde deserializer.

impl Serialize for GraphState

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

where __S: Serializer,

Serialize this value into the given Serde serializer.