Build Vertex Stream
Build a vertex instead of the entire graph.
This function is responsible for building a single vertex instead of the entire graph.
It takes the flow_id and vertex_id as required parameters, and an optional session_id.
It also depends on the ChatService and SessionService services.
If session_id is not provided, it retrieves the graph from the cache using the chat_service.
If session_id is provided, it loads the session data using the session_service.
Once the graph is obtained, it retrieves the specified vertex using the vertex_id.
If the vertex does not support streaming, an error is raised.
If the vertex has a built result, it sends the result as a chunk.
If the vertex is not frozen or not built, it streams the vertex data.
If the vertex has a result, it sends the result as a chunk.
If none of the above conditions are met, an error is raised.
If any exception occurs during the process, an error message is sent. Finally, the stream is closed.
Returns:
A StreamingResponse object with the streamed vertex data in text/event-stream format.
Raises: HTTPException: If an error occurs while building the vertex.
| Path Parameters |
|---|
flow_id uuid — REQUIRED |
vertex_id Vertex Id — REQUIRED |
| Responses | |||||
|---|---|---|---|---|---|
200Successful Response | |||||
422Validation Error
|
