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GraphExecutor

greentic_aw_runtime::graph::executor

Struct GraphExecutor 

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pub struct GraphExecutor { /* private fields */ }
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Drives agent-graph runs to completion, persisting checkpoints after every node so that a killed process can resume mid-loop.

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impl GraphExecutor

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pub fn new( store: Arc<dyn CheckpointStore>, agent_turn: AgentTurnFn, tool: ToolFn, supervisor: SupervisorFn, approval: ApprovalFn, ) -> Self

Construct a new executor.

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pub async fn start( &self, tenant: &TenantContext, run_id: &str, cfg: &GraphConfig, user_text: &str, ) -> Result<GraphRunOutcome, GraphExecError>

Start a new run.

Validates that run_id is fresh:

  • If a record already exists with status Running → delegates to resume logic.
  • If a record exists in a terminal state → returns GraphExecError::AlreadyCompleted.

Otherwise, seeds GraphRunState with the user message, snapshots the graph JSON, saves the initial Running record, and drives the loop.

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pub async fn resume( &self, tenant: &TenantContext, run_id: &str, ) -> Result<GraphRunOutcome, GraphExecError>

Resume an existing run.

  • If the run does not exist → GraphExecError::UnknownRun.
  • If the run is already in a terminal state → return the stored outcome WITHOUT re-driving.

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