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author | Nathan Dench <ndenc2@gmail.com> | 2019-05-24 15:16:44 +1000 |
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committer | Nathan Dench <ndenc2@gmail.com> | 2019-05-24 15:16:44 +1000 |
commit | 107c1cdb09c575aa2f61d97f48d8587eb6bada4c (patch) | |
tree | ca7d008643efc555c388baeaf1d986e0b6b3e28c /vendor/go.opencensus.io/stats/view/export.go | |
parent | 844b5a68d8af4791755b8f0ad293cc99f5959183 (diff) | |
download | terraform-provider-statuscake-107c1cdb09c575aa2f61d97f48d8587eb6bada4c.tar.gz terraform-provider-statuscake-107c1cdb09c575aa2f61d97f48d8587eb6bada4c.tar.zst terraform-provider-statuscake-107c1cdb09c575aa2f61d97f48d8587eb6bada4c.zip |
Upgrade to 0.12
Diffstat (limited to 'vendor/go.opencensus.io/stats/view/export.go')
-rw-r--r-- | vendor/go.opencensus.io/stats/view/export.go | 58 |
1 files changed, 58 insertions, 0 deletions
diff --git a/vendor/go.opencensus.io/stats/view/export.go b/vendor/go.opencensus.io/stats/view/export.go new file mode 100644 index 0000000..7cb5971 --- /dev/null +++ b/vendor/go.opencensus.io/stats/view/export.go | |||
@@ -0,0 +1,58 @@ | |||
1 | // Copyright 2017, OpenCensus Authors | ||
2 | // | ||
3 | // Licensed under the Apache License, Version 2.0 (the "License"); | ||
4 | // you may not use this file except in compliance with the License. | ||
5 | // You may obtain a copy of the License at | ||
6 | // | ||
7 | // http://www.apache.org/licenses/LICENSE-2.0 | ||
8 | // | ||
9 | // Unless required by applicable law or agreed to in writing, software | ||
10 | // distributed under the License is distributed on an "AS IS" BASIS, | ||
11 | // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
12 | // See the License for the specific language governing permissions and | ||
13 | // limitations under the License. | ||
14 | |||
15 | package view | ||
16 | |||
17 | import "sync" | ||
18 | |||
19 | var ( | ||
20 | exportersMu sync.RWMutex // guards exporters | ||
21 | exporters = make(map[Exporter]struct{}) | ||
22 | ) | ||
23 | |||
24 | // Exporter exports the collected records as view data. | ||
25 | // | ||
26 | // The ExportView method should return quickly; if an | ||
27 | // Exporter takes a significant amount of time to | ||
28 | // process a Data, that work should be done on another goroutine. | ||
29 | // | ||
30 | // It is safe to assume that ExportView will not be called concurrently from | ||
31 | // multiple goroutines. | ||
32 | // | ||
33 | // The Data should not be modified. | ||
34 | type Exporter interface { | ||
35 | ExportView(viewData *Data) | ||
36 | } | ||
37 | |||
38 | // RegisterExporter registers an exporter. | ||
39 | // Collected data will be reported via all the | ||
40 | // registered exporters. Once you no longer | ||
41 | // want data to be exported, invoke UnregisterExporter | ||
42 | // with the previously registered exporter. | ||
43 | // | ||
44 | // Binaries can register exporters, libraries shouldn't register exporters. | ||
45 | func RegisterExporter(e Exporter) { | ||
46 | exportersMu.Lock() | ||
47 | defer exportersMu.Unlock() | ||
48 | |||
49 | exporters[e] = struct{}{} | ||
50 | } | ||
51 | |||
52 | // UnregisterExporter unregisters an exporter. | ||
53 | func UnregisterExporter(e Exporter) { | ||
54 | exportersMu.Lock() | ||
55 | defer exportersMu.Unlock() | ||
56 | |||
57 | delete(exporters, e) | ||
58 | } | ||