blob: 007458244d22f48223d29011d01a1b1c434ceb43 [file] [log] [blame]
David Bainbridgef8ce7d22020-04-08 12:49:41 -07001/*
2 * Copyright 2020-present Open Networking Foundation
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 * http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17package holder
18
19import (
20 "sync"
21
22 "github.com/opencord/voltha-protos/v3/go/voltha"
23)
24
25// VolthaServiceClientHolder provides a consistent (voluntarily unmutable) reference
26// point for a mutable value that represents a GRPC service interface to
27// VOLTHA
28type VolthaServiceClientHolder struct {
29 mutex sync.RWMutex
30 volthaSvcClient voltha.VolthaServiceClient
31}
32
33type VolthaServiceClientReference struct {
34}
35
36// Clear sets the held value to nil (not set)
37func (h *VolthaServiceClientHolder) Clear() {
38 h.mutex.Lock()
39 defer h.mutex.Unlock()
40 h.volthaSvcClient = nil
41}
42
43// Set assigns the value being held to the specified value
44func (h *VolthaServiceClientHolder) Set(client voltha.VolthaServiceClient) {
45 h.mutex.Lock()
46 defer h.mutex.Unlock()
47 h.volthaSvcClient = client
48}
49
50// Get returns the currently held value
51func (h *VolthaServiceClientHolder) Get() voltha.VolthaServiceClient {
52 h.mutex.RLock()
53 defer h.mutex.RUnlock()
54 return h.volthaSvcClient
55}