remove UpdateHandler

The new version of the temporal SDK changes the signature of the
UpdateWorkflow method. To keep compatibility with old and new versions
of the SDK, I'm removing the method from this library. If anyone wants
it back, I can add it with the new SDK version in a future release.

example/main.go

@@ -17,7 +17,6 @@ var queueMain = tempts.NewQueue(tempts.DefaultNamespace, "main")
 var (
 	workflowTypeFormatAndGreet        = tempts.NewWorkflow[string, string](queueMain, "format_and_greet")
 	workflowTypeFormatAndGreetGetName = tempts.NewQueryHandler[struct{}, string]("get_formatted_name")
-	workflowTypeFormatAndGreetSetName = tempts.NewUpdateHandler[string, string]("set_formatted_name")
 	activityTypeFormatName            = tempts.NewActivity[string, string](queueMain, "format_name")
 )
 
@@ -59,14 +58,6 @@ func main() {
 		panic(err)
 	}
 	fmt.Printf("Expecting unknown name from the query: %s\n", newName)
-	// TODO: uncomment this after testing with the feature enabled in temporal
-	//
-	// time.Sleep(time.Second) // wait for the name to be formatted, then replace it
-	// newName, err = workflowTypeFormatAndGreetSetName.Update(ctx, c, workflowHandle.GetID(), workflowHandle.GetRunID(), "Roger")
-	// if err != nil {
-	// 	panic(err)
-	// }
-	// fmt.Printf("Name returned from the update: %s\n", newName)
 
 	err = workflowHandle.Get(ctx, &newName)
 	if err != nil {
@@ -98,10 +89,6 @@ func workflowFormatAndGreet(ctx workflow.Context, name string) (string, error) {
 	workflowTypeFormatAndGreetGetName.SetHandler(ctx, func(struct{}) (string, error) {
 		return newName, nil
 	})
-	workflowTypeFormatAndGreetSetName.SetHandler(ctx, func(ctx workflow.Context, p string) (string, error) {
-		newName = p
-		return p, nil
-	})
 
 	// Give the example code a chance to read the "unknown" name with the query and update it
 	workflow.Sleep(ctx, time.Second*1)

query_update.go

@@ -36,43 +36,3 @@ func (q *QueryHandler[Param, Return]) Query(ctx context.Context, temporalClient
 	}
 	return value, nil
 }
-
-// UpdateHandler is used for interacting with updates on workflows.
-// Currently there's no way to enforce the connection between the update and the workflow it should be valid on.
-type UpdateHandler[Param, Return any] struct {
-	name string
-}
-
-// NewUpdateHandler declares the name and types for an update to a workflow.
-func NewUpdateHandler[Param, Return any](updateName string) *UpdateHandler[Param, Return] {
-	return &UpdateHandler[Param, Return]{name: updateName}
-}
-
-// SetHandler should be called by a workflow to define how the update should be handled when sent to this workflow to execute.
-func (q *UpdateHandler[Param, Return]) SetHandler(ctx workflow.Context, fn func(workflow.Context, Param) (Return, error)) {
-	// This can't error because the type is enforced by the signature of this function
-	workflow.SetUpdateHandler(ctx, q.name, fn)
-}
-
-// SetHandlerWithValidator should be called by a workflow to define how the query should be handled when sent to this workflow to execute.
-// This is the same as SetHandler, except that it gives access to the experimental Validator function which can be used to validate the request before it's executed.
-func (q *UpdateHandler[Param, Return]) SetHandlerWithValidator(ctx workflow.Context, fn func(workflow.Context, Param) (Return, error), validator func(workflow.Context, Param) error) {
-	// This can't error because the type is enforced by the signature of this function
-	workflow.SetUpdateHandlerWithOptions(ctx, q.name, fn, workflow.UpdateHandlerOptions{
-		Validator: validator,
-	})
-}
-
-// Update executes the update and returns the response.
-func (q *UpdateHandler[Param, Return]) Update(ctx context.Context, temporalClient *Client, workflowID, runID string, p Param) (Return, error) {
-	var value Return
-	response, err := temporalClient.Client.UpdateWorkflow(ctx, workflowID, runID, q.name, p)
-	if err != nil {
-		return value, err
-	}
-	err = response.Get(ctx, &value)
-	if err != nil {
-		return value, err
-	}
-	return value, nil
-}