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package server
import "context"
type HandlerOption func(*HandlerOptions)
type HandlerOptions struct {
Internal bool
Metadata map[string]map[string]string
}
type SubscriberOption func(*SubscriberOptions)
type SubscriberOptions struct {
// AutoAck defaults to true. When a handler returns
// with a nil error the message is acked.
AutoAck bool
Queue string
Internal bool
Context context.Context
}
// EndpointMetadata is a Handler option that allows metadata to be added to
// individual endpoints.
func EndpointMetadata(name string, md map[string]string) HandlerOption {
return func(o *HandlerOptions) {
o.Metadata[name] = md
}
}
// Internal Handler options specifies that a handler is not advertised
// to the discovery system. In the future this may also limit request
// to the internal network or authorised user.
func InternalHandler(b bool) HandlerOption {
return func(o *HandlerOptions) {
o.Internal = b
}
}
// Internal Subscriber options specifies that a subscriber is not advertised
// to the discovery system.
func InternalSubscriber(b bool) SubscriberOption {
return func(o *SubscriberOptions) {
o.Internal = b
}
}
func NewSubscriberOptions(opts ...SubscriberOption) SubscriberOptions {
opt := SubscriberOptions{
AutoAck: true,
Context: context.Background(),
}
for _, o := range opts {
o(&opt)
}
return opt
}
// DisableAutoAck will disable auto acking of messages
// after they have been handled.
func DisableAutoAck() SubscriberOption {
return func(o *SubscriberOptions) {
o.AutoAck = false
}
}
// Shared queue name distributed messages across subscribers
func SubscriberQueue(n string) SubscriberOption {
return func(o *SubscriberOptions) {
o.Queue = n
}
}
// SubscriberContext set context options to allow broker SubscriberOption passed
func SubscriberContext(ctx context.Context) SubscriberOption {
return func(o *SubscriberOptions) {
o.Context = ctx
}
}
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