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
|
package sophia
import (
"errors"
"fmt"
"unsafe"
)
// ErrNotFound error constant for 'NotFount' cases
var ErrNotFound = errors.New("document not found")
// DataStore provides access to data
type dataStore struct {
ptr unsafe.Pointer
env *Environment
}
// Get retrieves the row for the set of keys.
func (d *dataStore) Get(doc *Document) (*Document, error) {
ptr := spGet(d.ptr, doc.ptr)
if ptr == nil {
err := d.env.Error()
if err == nil {
return nil, ErrNotFound
}
return nil, fmt.Errorf("failed Get document: err=%v", err)
}
return newDocument(ptr, 0), nil
}
// Set sets the row of the set of keys.
func (d *dataStore) Set(doc *Document) error {
if !spSet(d.ptr, doc.ptr) {
return fmt.Errorf("failed Set document: err=%v", d.env.Error())
}
return nil
}
// Upsert sets the row of the set of keys.
func (d *dataStore) Upsert(doc *Document) error {
if !spUpsert(d.ptr, doc.ptr) {
return fmt.Errorf("failed Upsert document: err=%v", d.env.Error())
}
return nil
}
// Delete deletes row with specified set of keys.
func (d *dataStore) Delete(doc *Document) error {
if !spDelete(d.ptr, doc.ptr) {
return fmt.Errorf("failed Delete document: err=%v", d.env.Error())
}
return nil
}
func newDataStore(ptr unsafe.Pointer, env *Environment) *dataStore {
return &dataStore{
ptr: ptr,
env: env,
}
}
|
