forked from knative/eventing
-
Notifications
You must be signed in to change notification settings - Fork 0
/
ttl.go
37 lines (33 loc) · 1.2 KB
/
ttl.go
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
/*
* Copyright 2019 The Knative Authors
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package broker
import (
"github.com/cloudevents/sdk-go/pkg/cloudevents"
)
const (
// V02TTLAttribute is the name of the CloudEvents 0.2 extension attribute used to store the
// Broker's TTL (number of times a single event can reply through a Broker continuously).
V02TTLAttribute = "knativebrokerttl"
)
// SetTTL sets the TTL into the EventContext. ttl should be a positive integer.
func SetTTL(ctx cloudevents.EventContext, ttl interface{}) cloudevents.EventContext {
v2 := ctx.AsV02()
if v2.Extensions == nil {
v2.Extensions = make(map[string]interface{})
}
v2.Extensions[V02TTLAttribute] = ttl
return v2
}