milvus/internal/master/task.go

44 lines
761 B
Go

package master
import (
"context"
"github.com/zilliztech/milvus-distributed/internal/proto/commonpb"
"github.com/zilliztech/milvus-distributed/internal/errors"
)
// TODO: get timestamp from timestampOracle
type baseTask struct {
sch *ddRequestScheduler
mt *metaTable
cv chan error
}
type task interface {
Type() commonpb.MsgType
Ts() (Timestamp, error)
Execute() error
WaitToFinish(ctx context.Context) error
Notify(err error)
}
func (bt *baseTask) Notify(err error) {
bt.cv <- err
}
func (bt *baseTask) WaitToFinish(ctx context.Context) error {
for {
select {
case <-ctx.Done():
return errors.Errorf("context done")
case err, ok := <-bt.cv:
if !ok {
return errors.Errorf("notify chan closed")
}
return err
}
}
}