blob: f208d84e47e1e565d35ef15c280ae8500d1c7cf7 (
plain)
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
|
package streams
import (
"context"
"sync"
"github.com/matrix-org/dendrite/syncapi/storage"
"github.com/matrix-org/dendrite/syncapi/types"
)
type DefaultStreamProvider struct {
DB storage.Database
latest types.StreamPosition
latestMutex sync.RWMutex
}
func (p *DefaultStreamProvider) Setup(
ctx context.Context, snapshot storage.DatabaseTransaction,
) {
}
func (p *DefaultStreamProvider) Advance(
latest types.StreamPosition,
) {
p.latestMutex.Lock()
defer p.latestMutex.Unlock()
if latest > p.latest {
p.latest = latest
}
}
func (p *DefaultStreamProvider) LatestPosition(
ctx context.Context,
) types.StreamPosition {
p.latestMutex.RLock()
defer p.latestMutex.RUnlock()
return p.latest
}
|