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56 lines
1.8 KiB
56 lines
1.8 KiB
/*
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* Copyright (c) 2021 yedf. All rights reserved.
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* Use of this source code is governed by a BSD-style
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* license that can be found in the LICENSE file.
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*/
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package examples
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import (
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"github.com/yedf/dtm/dtmcli"
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"github.com/yedf/dtm/dtmcli/dtmimp"
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)
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func init() {
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addSample("saga", func() string {
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dtmimp.Logf("a saga busi transaction begin")
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req := &TransReq{Amount: 30}
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saga := dtmcli.NewSaga(DtmHttpServer, dtmcli.MustGenGid(DtmHttpServer)).
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Add(Busi+"/TransOut", Busi+"/TransOutRevert", req).
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Add(Busi+"/TransIn", Busi+"/TransInRevert", req)
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dtmimp.Logf("saga busi trans submit")
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err := saga.Submit()
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dtmimp.Logf("result gid is: %s", saga.Gid)
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dtmimp.FatalIfError(err)
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return saga.Gid
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})
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addSample("saga_wait", func() string {
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dtmimp.Logf("a saga busi transaction begin")
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req := &TransReq{Amount: 30}
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saga := dtmcli.NewSaga(DtmHttpServer, dtmcli.MustGenGid(DtmHttpServer)).
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Add(Busi+"/TransOut", Busi+"/TransOutRevert", req).
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Add(Busi+"/TransIn", Busi+"/TransInRevert", req)
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saga.SetOptions(&dtmcli.TransOptions{WaitResult: true})
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err := saga.Submit()
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dtmimp.Logf("result gid is: %s", saga.Gid)
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dtmimp.FatalIfError(err)
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return saga.Gid
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})
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addSample("concurrent_saga", func() string {
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dtmimp.Logf("a concurrent saga busi transaction begin")
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req := &TransReq{Amount: 30}
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csaga := dtmcli.NewSaga(DtmHttpServer, dtmcli.MustGenGid(DtmHttpServer)).
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Add(Busi+"/TransOut", Busi+"/TransOutRevert", req).
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Add(Busi+"/TransOut", Busi+"/TransOutRevert", req).
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Add(Busi+"/TransIn", Busi+"/TransInRevert", req).
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Add(Busi+"/TransIn", Busi+"/TransInRevert", req).
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EnableConcurrent().
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AddBranchOrder(2, []int{0, 1}).
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AddBranchOrder(3, []int{0, 1})
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dtmimp.Logf("concurrent saga busi trans submit")
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err := csaga.Submit()
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dtmimp.Logf("result gid is: %s", csaga.Gid)
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dtmimp.FatalIfError(err)
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return csaga.Gid
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})
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}
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