dtm/dtmgrpc/message.go
2021-08-11 15:02:42 +08:00

54 lines
1.2 KiB
Go

package dtmgrpc
import (
"context"
"github.com/yedf/dtm/dtmcli"
)
// MsgGrpc reliable msg type
type MsgGrpc struct {
dtmcli.TransBase
Steps []dtmcli.MsgStep `json:"steps"`
QueryPrepared string `json:"query_prepared"`
}
// NewMsgGrpc create new msg
func NewMsgGrpc(server string, gid string) *MsgGrpc {
return &MsgGrpc{
TransBase: *dtmcli.NewTransBase(gid, "msg", server, ""),
}
}
// Add add a new step
func (s *MsgGrpc) Add(action string, data []byte) *MsgGrpc {
step := dtmcli.MsgStep{
Action: action,
Data: string(data),
}
s.Steps = append(s.Steps, step)
return s
}
// Submit submit the msg
func (s *MsgGrpc) Submit() error {
_, err := MustGetDtmClient(s.Dtm).Submit(context.Background(), &DtmRequest{
Gid: s.Gid,
TransType: s.TransType,
Data: dtmcli.MustMarshalString(&s.Steps),
})
return err
}
// Prepare prepare the msg
func (s *MsgGrpc) Prepare(queryPrepared string) error {
s.QueryPrepared = dtmcli.OrString(queryPrepared, s.QueryPrepared)
_, err := MustGetDtmClient(s.Dtm).Prepare(context.Background(), &DtmRequest{
Gid: s.Gid,
TransType: s.TransType,
QueryPrepared: s.QueryPrepared,
Data: dtmcli.MustMarshalString(&s.Steps),
})
return err
}