Trait Node 

pub trait Node: Send + Sync {
    // Required methods
    fn name(&self) -> &str;
    fn execute<'life0, 'life1, 'async_trait>(
        &'life0 self,
        ctx: &'life1 NodeContext,
    ) -> Pin<Box<dyn Future<Output = Result<NodeOutput, GraphError>> + Send + 'async_trait>>
       where 'life0: 'async_trait,
             'life1: 'async_trait,
             Self: 'async_trait;

    // Provided method
    fn execute_stream<'a>(
        &'a self,
        ctx: &'a NodeContext,
    ) -> Pin<Box<dyn Stream<Item = Result<StreamEvent, GraphError>> + Send + 'a>> { ... }
}

Available on crate feature graph only.

A node in the graph

Required Methods

fn name(&self) -> &str

Node identifier

fn execute<'life0, 'life1, 'async_trait>( &'life0 self, ctx: &'life1 NodeContext, ) -> Pin<Box<dyn Future<Output = Result<NodeOutput, GraphError>> + Send + 'async_trait>>

where 'life0: 'async_trait, 'life1: 'async_trait, Self: 'async_trait,

Execute the node and return state updates

Provided Methods

fn execute_stream<'a>( &'a self, ctx: &'a NodeContext, ) -> Pin<Box<dyn Stream<Item = Result<StreamEvent, GraphError>> + Send + 'a>>

Stream execution events (default: wraps execute)

Implementors

impl Node for PassthroughNode

impl Node for AgentNode

impl Node for FunctionNode