Struct HandlerBuilder 

pub struct HandlerBuilder { /* private fields */ }

Build a CallbackHandler from any subset of closures. Methods not configured fall through to the trait’s no-op defaults.

Implementations

impl HandlerBuilder

pub fn new() -> Self

Empty builder.

pub fn with_name(self, n: impl Into<String>) -> Self

Override the handler’s reported name.

pub fn on_chain_start<F>(self, f: F) -> Self

where F: Fn(&str, &Value, Uuid) + Send + Sync + 'static,

Set the on_chain_start closure.

pub fn on_chain_end<F>(self, f: F) -> Self

where F: Fn(&str, &Value, Uuid) + Send + Sync + 'static,

Set the on_chain_end closure.

pub fn on_chain_error<F>(self, f: F) -> Self

where F: Fn(&str, &str, Uuid) + Send + Sync + 'static,

Set the on_chain_error closure.

pub fn on_llm_start<F>(self, f: F) -> Self

where F: Fn(&str, &Value, Uuid) + Send + Sync + 'static,

Set the on_llm_start closure.

pub fn on_llm_token<F>(self, f: F) -> Self

where F: Fn(&str, Uuid) + Send + Sync + 'static,

Set the on_llm_token closure.

pub fn on_llm_end<F>(self, f: F) -> Self

where F: Fn(&str, &Value, Uuid) + Send + Sync + 'static,

Set the on_llm_end closure.

pub fn on_llm_error<F>(self, f: F) -> Self

where F: Fn(&str, &str, Uuid) + Send + Sync + 'static,

Set the on_llm_error closure.

pub fn on_tool_start<F>(self, f: F) -> Self

where F: Fn(&str, &Value, Uuid) + Send + Sync + 'static,

Set the on_tool_start closure.

pub fn on_tool_end<F>(self, f: F) -> Self

where F: Fn(&str, &Value, Uuid) + Send + Sync + 'static,

Set the on_tool_end closure.

pub fn on_tool_error<F>(self, f: F) -> Self

where F: Fn(&str, &str, Uuid) + Send + Sync + 'static,

Set the on_tool_error closure.

pub fn on_node_start<F>(self, f: F) -> Self

where F: Fn(&str, u64, Uuid) + Send + Sync + 'static,

Set the on_node_start closure.

pub fn on_node_end<F>(self, f: F) -> Self

where F: Fn(&str, u64, &Value, Uuid) + Send + Sync + 'static,

Set the on_node_end closure.

pub fn on_checkpoint<F>(self, f: F) -> Self

where F: Fn(u64, Uuid) + Send + Sync + 'static,

Set the on_checkpoint closure.

pub fn on_custom<F>(self, f: F) -> Self

where F: Fn(&str, &Value, Uuid) + Send + Sync + 'static,

Set the on_custom closure.

pub fn build(self) -> BuiltHandler

Finalize.

Trait Implementations

impl Default for HandlerBuilder

fn default() -> HandlerBuilder

Returns the “default value” for a type.