🔥A cross-language distributed transaction manager. Support xa, tcc, saga, transactional messages. 跨语言分布式事务管理器
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30 lines
1011 B

package examples
import (
"github.com/yedf/dtm/dtmcli"
dtmgrpc "github.com/yedf/dtm/dtmgrpc"
)
func init() {
addSample("grpc_saga", func() string {
req := dtmcli.MustMarshal(&TransReq{Amount: 30})
gid := dtmgrpc.MustGenGid(DtmGrpcServer)
saga := dtmgrpc.NewSaga(DtmGrpcServer, gid).
Add(BusiGrpc+"/examples.Busi/TransOut", BusiGrpc+"/examples.Busi/TransOutRevert", req).
Add(BusiGrpc+"/examples.Busi/TransIn", BusiGrpc+"/examples.Busi/TransOutRevert", req)
err := saga.Submit()
dtmcli.FatalIfError(err)
return saga.Gid
})
addSample("grpc_saga_wait", func() string {
req := dtmcli.MustMarshal(&TransReq{Amount: 30})
gid := dtmgrpc.MustGenGid(DtmGrpcServer)
saga := dtmgrpc.NewSaga(DtmGrpcServer, gid).
Add(BusiGrpc+"/examples.Busi/TransOut", BusiGrpc+"/examples.Busi/TransOutRevert", req).
Add(BusiGrpc+"/examples.Busi/TransIn", BusiGrpc+"/examples.Busi/TransOutRevert", req)
saga.WaitResult = true
err := saga.Submit()
dtmcli.FatalIfError(err)
return saga.Gid
})
}