callbacks

package

v0.9.22 Latest Latest Go to latest Published: Oct 19, 2026 License: Apache-2.0 Imports: 4 Imported by: 0

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Valid go.mod file
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Repository

github.com/cloudwego/eino

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Documentation ¶

Index ¶

Variables
func AppendHandlers(ctx context.Context, info *RunInfo, handlers ...Handler) context.Context
func EnsureRunInfo(ctx context.Context, typ string, comp components.Component) context.Context
func InitCallbacks(ctx context.Context, info *RunInfo, handlers ...Handler) context.Context
func On[T any](ctx context.Context, inOut T, handle Handle[T], timing CallbackTiming, ...) (context.Context, T)
func OnEndHandle[T any](ctx context.Context, output T, runInfo *RunInfo, handlers []Handler) (context.Context, T)
func OnEndWithStreamOutputHandle[T any](ctx context.Context, output *schema.StreamReader[T], runInfo *RunInfo, ...) (context.Context, *schema.StreamReader[T])
func OnErrorHandle(ctx context.Context, err error, runInfo *RunInfo, handlers []Handler) (context.Context, error)
func OnStartHandle[T any](ctx context.Context, input T, runInfo *RunInfo, handlers []Handler) (context.Context, T)
func OnStartWithStreamInputHandle[T any](ctx context.Context, input *schema.StreamReader[T], runInfo *RunInfo, ...) (context.Context, *schema.StreamReader[T])
func OnWithStreamHandle[S any](ctx context.Context, inOut S, handlers []Handler, cpy func(int) []S, ...) (context.Context, S)
func ReuseHandlers(ctx context.Context, info *RunInfo) context.Context
type CallbackInput
type CallbackOutput
type CallbackTiming
type CtxManagerKey
type CtxRunInfoKey
type Handle
- func BuildOnEndHandleWithCopy[T any](copyFn func(T, int) []T) Handle[T]
type Handler
type RunInfo
type TimingChecker

Constants ¶

This section is empty.

Variables ¶

View Source

var GlobalHandlers []Handler

Functions ¶

func AppendHandlers ¶ added in v0.3.4

func AppendHandlers(ctx context.Context, info *RunInfo, handlers ...Handler) context.Context

func EnsureRunInfo ¶ added in v0.3.27

func EnsureRunInfo(ctx context.Context, typ string, comp components.Component) context.Context

func InitCallbacks ¶

func InitCallbacks(ctx context.Context, info *RunInfo, handlers ...Handler) context.Context

func On ¶

func On[T any](ctx context.Context, inOut T, handle Handle[T], timing CallbackTiming, start bool) (context.Context, T)

func OnEndHandle ¶

func OnEndHandle[T any](ctx context.Context, output T,
	runInfo *RunInfo, handlers []Handler) (context.Context, T)

func OnEndWithStreamOutputHandle ¶

func OnEndWithStreamOutputHandle[T any](ctx context.Context, output *schema.StreamReader[T],
	runInfo *RunInfo, handlers []Handler) (context.Context, *schema.StreamReader[T])

func OnErrorHandle ¶

func OnErrorHandle(ctx context.Context, err error,
	runInfo *RunInfo, handlers []Handler) (context.Context, error)

func OnStartHandle ¶

func OnStartHandle[T any](ctx context.Context, input T,
	runInfo *RunInfo, handlers []Handler) (context.Context, T)

func OnStartWithStreamInputHandle ¶

func OnStartWithStreamInputHandle[T any](ctx context.Context, input *schema.StreamReader[T],
	runInfo *RunInfo, handlers []Handler) (context.Context, *schema.StreamReader[T])

func OnWithStreamHandle ¶ added in v0.3.4

func OnWithStreamHandle[S any](
	ctx context.Context,
	inOut S,
	handlers []Handler,
	cpy func(int) []S,
	handle func(context.Context, Handler, S) context.Context) (context.Context, S)

func ReuseHandlers ¶ added in v0.3.4

func ReuseHandlers(ctx context.Context, info *RunInfo) context.Context

Types ¶

type CallbackInput ¶

type CallbackInput any

type CallbackOutput ¶

type CallbackOutput any

type CallbackTiming ¶

type CallbackTiming uint8

type CtxManagerKey ¶

type CtxManagerKey struct{}

type CtxRunInfoKey ¶ added in v0.3.28

type CtxRunInfoKey struct{}

type Handle ¶

type Handle[T any] func(context.Context, T, *RunInfo, []Handler) (context.Context, T)

func BuildOnEndHandleWithCopy ¶ added in v0.8.0

func BuildOnEndHandleWithCopy[T any](copyFn func(T, int) []T) Handle[T]

type Handler ¶

type Handler interface {
	OnStart(ctx context.Context, info *RunInfo, input CallbackInput) context.Context
	OnEnd(ctx context.Context, info *RunInfo, output CallbackOutput) context.Context

	OnError(ctx context.Context, info *RunInfo, err error) context.Context

	OnStartWithStreamInput(ctx context.Context, info *RunInfo,
		input *schema.StreamReader[CallbackInput]) context.Context
	OnEndWithStreamOutput(ctx context.Context, info *RunInfo,
		output *schema.StreamReader[CallbackOutput]) context.Context
}

type RunInfo ¶

type RunInfo struct {
	// Name is the graph node name for display purposes, not unique.
	// Passed from compose.WithNodeName().
	Name      string
	Type      string
	Component components.Component
}

type TimingChecker ¶

type TimingChecker interface {
	Needed(ctx context.Context, info *RunInfo, timing CallbackTiming) bool
}

Source Files ¶

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