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
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
|
package hbase
import (
"context"
"github.com/chrislusf/seaweedfs/weed/filer"
"github.com/tsuna/gohbase/hrpc"
"time"
)
const (
COLUMN_NAME = "a"
)
func (store *HbaseStore) KvPut(ctx context.Context, key []byte, value []byte) (err error) {
return store.doPut(ctx, store.cfKv, key, value, 0)
}
func (store *HbaseStore) KvGet(ctx context.Context, key []byte) (value []byte, err error) {
return store.doGet(ctx, store.cfKv, key)
}
func (store *HbaseStore) KvDelete(ctx context.Context, key []byte) (err error) {
return store.doDelete(ctx, store.cfKv, key)
}
func (store *HbaseStore) doPut(ctx context.Context, cf string, key, value []byte, ttlSecond int32) (err error) {
if ttlSecond > 0 {
return store.doPutWithOptions(ctx, cf, key, value, hrpc.Durability(hrpc.AsyncWal), hrpc.TTL(time.Duration(ttlSecond)*time.Second))
}
return store.doPutWithOptions(ctx, cf, key, value, hrpc.Durability(hrpc.AsyncWal))
}
func (store *HbaseStore) doPutWithOptions(ctx context.Context, cf string, key, value []byte, options ...func(hrpc.Call) error) (err error) {
values := map[string]map[string][]byte{cf: map[string][]byte{}}
values[cf][COLUMN_NAME] = value
putRequest, err := hrpc.NewPut(ctx, store.table, key, values, options...)
if err != nil {
return err
}
_, err = store.Client.Put(putRequest)
if err != nil {
return err
}
return nil
}
func (store *HbaseStore) doGet(ctx context.Context, cf string, key []byte) (value []byte, err error) {
family := map[string][]string{cf: {COLUMN_NAME}}
getRequest, err := hrpc.NewGet(context.Background(), store.table, key, hrpc.Families(family))
if err != nil {
return nil, err
}
getResp, err := store.Client.Get(getRequest)
if err != nil {
return nil, err
}
if len(getResp.Cells) == 0 {
return nil, filer.ErrKvNotFound
}
return getResp.Cells[0].Value, nil
}
func (store *HbaseStore) doDelete(ctx context.Context, cf string, key []byte) (err error) {
values := map[string]map[string][]byte{cf: map[string][]byte{}}
values[cf][COLUMN_NAME] = nil
deleteRequest, err := hrpc.NewDel(ctx, store.table, key, values, hrpc.Durability(hrpc.AsyncWal))
if err != nil {
return err
}
_, err = store.Client.Delete(deleteRequest)
if err != nil {
return err
}
return nil
}
|
