// NewKey creates a new key.
// kind cannot be empty.
// Either one or both of stringID and intID must be zero. If both are zero,
// the key returned is incomplete.
// parent must either be a complete key or nil.
func NewKey(c context.Context, kind, stringID string, intID int64, parent *Key) *Key {
// If there's a parent key, use its namespace.
// Otherwise, use any namespace attached to the context.
var namespace string
if parent != nil {
namespace = parent.namespace
} else {
namespace = internal.NamespaceFromContext(c)
}
return &Key{
kind: kind,
stringID: stringID,
intID: intID,
parent: parent,
appID: internal.FullyQualifiedAppID(c),
namespace: namespace,
}
}
func newAddReq(c context.Context, task *Task, queueName string) (*pb.TaskQueueAddRequest, error) {
if queueName == "" {
queueName = "default"
}
path := task.Path
if path == "" {
path = "/_ah/queue/" + queueName
}
eta := task.ETA
if eta.IsZero() {
eta = time.Now().Add(task.Delay)
} else if task.Delay != 0 {
panic("taskqueue: both Delay and ETA are set")
}
req := &pb.TaskQueueAddRequest{
QueueName: []byte(queueName),
TaskName: []byte(task.Name),
EtaUsec: proto.Int64(eta.UnixNano() / 1e3),
}
method := task.method()
if method == "PULL" {
// Pull-based task
req.Body = task.Payload
req.Mode = pb.TaskQueueMode_PULL.Enum()
if task.Tag != "" {
req.Tag = []byte(task.Tag)
}
} else {
// HTTP-based task
if v, ok := pb.TaskQueueAddRequest_RequestMethod_value[method]; ok {
req.Method = pb.TaskQueueAddRequest_RequestMethod(v).Enum()
} else {
return nil, fmt.Errorf("taskqueue: bad method %q", method)
}
req.Url = []byte(path)
for k, vs := range task.Header {
for _, v := range vs {
req.Header = append(req.Header, &pb.TaskQueueAddRequest_Header{
Key: []byte(k),
Value: []byte(v),
})
}
}
if method == "POST" || method == "PUT" {
req.Body = task.Payload
}
// Namespace headers.
if _, ok := task.Header[currentNamespace]; !ok {
// Fetch the current namespace of this request.
ns := internal.NamespaceFromContext(c)
req.Header = append(req.Header, &pb.TaskQueueAddRequest_Header{
Key: []byte(currentNamespace),
Value: []byte(ns),
})
}
if _, ok := task.Header[defaultNamespace]; !ok {
// Fetch the X-AppEngine-Default-Namespace header of this request.
if ns := getDefaultNamespace(c); ns != "" {
req.Header = append(req.Header, &pb.TaskQueueAddRequest_Header{
Key: []byte(defaultNamespace),
Value: []byte(ns),
})
}
}
}
if task.RetryOptions != nil {
req.RetryParameters = task.RetryOptions.toRetryParameters()
}
return req, nil
}