forked from istio/istio
/
handler.go
41 lines (34 loc) · 1.07 KB
/
handler.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
38
39
40
41
// Copyright 2019 Istio 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 accumulator 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 processing
import (
"istio.io/istio/galley/pkg/runtime/resource"
)
// Handler handles an incoming resource event.
type Handler interface {
Handle(e resource.Event)
}
// HandlerFromFn returns a new Handler, based on the Handler function.
func HandlerFromFn(fn func(e resource.Event)) Handler {
return &fnHandler{
fn: fn,
}
}
var _ Handler = &fnHandler{}
type fnHandler struct {
fn func(e resource.Event)
}
func (h *fnHandler) Handle(e resource.Event) {
h.fn(e)
}