mirror of
https://github.com/restic/restic.git
synced 2024-12-27 18:28:30 +00:00
116 lines
2.9 KiB
Go
116 lines
2.9 KiB
Go
// Copyright 2016 Google Inc. All Rights Reserved.
|
|
//
|
|
// 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 longrunning
|
|
|
|
import (
|
|
"fmt"
|
|
"time"
|
|
|
|
"github.com/golang/protobuf/ptypes"
|
|
"github.com/golang/protobuf/ptypes/duration"
|
|
"github.com/golang/protobuf/ptypes/timestamp"
|
|
"golang.org/x/net/context"
|
|
pb "google.golang.org/genproto/googleapis/longrunning"
|
|
)
|
|
|
|
func bestMomentInHistory() (*Operation, error) {
|
|
t, err := time.Parse("2006-01-02 15:04:05.999999999 -0700 MST", "2009-11-10 23:00:00 +0000 UTC")
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
resp, err := ptypes.TimestampProto(t)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
respAny, err := ptypes.MarshalAny(resp)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
metaAny, err := ptypes.MarshalAny(ptypes.DurationProto(1 * time.Hour))
|
|
return &Operation{
|
|
proto: &pb.Operation{
|
|
Name: "best-moment",
|
|
Done: true,
|
|
Metadata: metaAny,
|
|
Result: &pb.Operation_Response{
|
|
Response: respAny,
|
|
},
|
|
},
|
|
}, err
|
|
}
|
|
|
|
func ExampleOperation_Wait() {
|
|
// Complex computation, might take a long time.
|
|
op, err := bestMomentInHistory()
|
|
if err != nil {
|
|
// TODO: Handle err.
|
|
}
|
|
var ts timestamp.Timestamp
|
|
err = op.Wait(context.TODO(), &ts)
|
|
if err != nil && !op.Done() {
|
|
fmt.Println("failed to fetch operation status", err)
|
|
} else if err != nil && op.Done() {
|
|
fmt.Println("operation completed with error", err)
|
|
} else {
|
|
fmt.Println(ptypes.TimestampString(&ts))
|
|
}
|
|
// Output:
|
|
// 2009-11-10T23:00:00Z
|
|
}
|
|
|
|
func ExampleOperation_Metadata() {
|
|
op, err := bestMomentInHistory()
|
|
if err != nil {
|
|
// TODO: Handle err.
|
|
}
|
|
|
|
// The operation might contain metadata.
|
|
// In this example, the metadata contains the estimated length of time
|
|
// the operation might take to complete.
|
|
var meta duration.Duration
|
|
if err := op.Metadata(&meta); err != nil {
|
|
// TODO: Handle err.
|
|
}
|
|
d, err := ptypes.Duration(&meta)
|
|
if err == ErrNoMetadata {
|
|
fmt.Println("no metadata")
|
|
} else if err != nil {
|
|
// TODO: Handle err.
|
|
} else {
|
|
fmt.Println(d)
|
|
}
|
|
// Output:
|
|
// 1h0m0s
|
|
}
|
|
|
|
func ExampleOperation_Cancel() {
|
|
op, err := bestMomentInHistory()
|
|
if err != nil {
|
|
// TODO: Handle err.
|
|
}
|
|
if err := op.Cancel(context.Background()); err != nil {
|
|
// TODO: Handle err.
|
|
}
|
|
}
|
|
|
|
func ExampleOperation_Delete() {
|
|
op, err := bestMomentInHistory()
|
|
if err != nil {
|
|
// TODO: Handle err.
|
|
}
|
|
if err := op.Delete(context.Background()); err != nil {
|
|
// TODO: Handle err.
|
|
}
|
|
}
|