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derFenix
2024-08-01 23:42:30 +03:00
commit 09fef3c113
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66
examples/basic/commands.go Normal file
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package main
import (
"context"
"errors"
"time"
)
type Entity struct {
Name string
Address string
}
type GetName struct {
UID string
Sleep time.Duration
Result Entity
}
func (b *GetName) CorrelationID() string {
return b.UID
}
func (b *GetName) Execute(context.Context) error {
b.Result = Entity{Name: "Bob"}
if b.Sleep > 0 {
time.Sleep(b.Sleep)
}
return nil
}
func (b *GetName) Rollback(context.Context) error {
b.Result = Entity{}
return nil
}
type GetAddress struct {
Input *Entity
Result Entity
}
func (b *GetAddress) CorrelationID() string {
return b.Input.Name
}
func (b *GetAddress) Execute(context.Context) error {
b.Result = *b.Input
if b.Result.Address != "" {
return errors.New("already set")
}
b.Result.Address = "London"
return nil
}
func (b *GetAddress) Rollback(context.Context) error {
b.Result = Entity{}
return nil
}

25
examples/basic/go.mod Normal file
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module git.derfenix.pro/fenix/commander/examples/basic
go 1.22
replace (
git.derfenix.pro/fenix/commander => ../../
git.derfenix.pro/fenix/commander/inmemorycache => ../../inmemorycache
)
require (
git.derfenix.pro/fenix/commander v0.0.0-00010101000000-000000000000
git.derfenix.pro/fenix/commander/inmemorycache v0.0.0-00010101000000-000000000000
github.com/google/uuid v1.6.0
)
require (
github.com/go-logr/logr v1.4.2 // indirect
github.com/go-logr/stdr v1.2.2 // indirect
github.com/patrickmn/go-cache v2.1.0+incompatible // indirect
github.com/vmihailenco/msgpack/v5 v5.4.1 // indirect
github.com/vmihailenco/tagparser/v2 v2.0.0 // indirect
go.opentelemetry.io/otel v1.28.0 // indirect
go.opentelemetry.io/otel/metric v1.28.0 // indirect
go.opentelemetry.io/otel/trace v1.28.0 // indirect
)

29
examples/basic/go.sum Normal file
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github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
github.com/go-logr/logr v1.2.2/go.mod h1:jdQByPbusPIv2/zmleS9BjJVeZ6kBagPoEUsqbVz/1A=
github.com/go-logr/logr v1.4.2 h1:6pFjapn8bFcIbiKo3XT4j/BhANplGihG6tvd+8rYgrY=
github.com/go-logr/logr v1.4.2/go.mod h1:9T104GzyrTigFIr8wt5mBrctHMim0Nb2HLGrmQ40KvY=
github.com/go-logr/stdr v1.2.2 h1:hSWxHoqTgW2S2qGc0LTAI563KZ5YKYRhT3MFKZMbjag=
github.com/go-logr/stdr v1.2.2/go.mod h1:mMo/vtBO5dYbehREoey6XUKy/eSumjCCveDpRre4VKE=
github.com/google/go-cmp v0.6.0 h1:ofyhxvXcZhMsU5ulbFiLKl/XBFqE1GSq7atu8tAmTRI=
github.com/google/go-cmp v0.6.0/go.mod h1:17dUlkBOakJ0+DkrSSNjCkIjxS6bF9zb3elmeNGIjoY=
github.com/google/uuid v1.6.0 h1:NIvaJDMOsjHA8n1jAhLSgzrAzy1Hgr+hNrb57e+94F0=
github.com/google/uuid v1.6.0/go.mod h1:TIyPZe4MgqvfeYDBFedMoGGpEw/LqOeaOT+nhxU+yHo=
github.com/patrickmn/go-cache v2.1.0+incompatible h1:HRMgzkcYKYpi3C8ajMPV8OFXaaRUnok+kx1WdO15EQc=
github.com/patrickmn/go-cache v2.1.0+incompatible/go.mod h1:3Qf8kWWT7OJRJbdiICTKqZju1ZixQ/KpMGzzAfe6+WQ=
github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
github.com/stretchr/testify v1.9.0 h1:HtqpIVDClZ4nwg75+f6Lvsy/wHu+3BoSGCbBAcpTsTg=
github.com/stretchr/testify v1.9.0/go.mod h1:r2ic/lqez/lEtzL7wO/rwa5dbSLXVDPFyf8C91i36aY=
github.com/vmihailenco/msgpack/v5 v5.4.1 h1:cQriyiUvjTwOHg8QZaPihLWeRAAVoCpE00IUPn0Bjt8=
github.com/vmihailenco/msgpack/v5 v5.4.1/go.mod h1:GaZTsDaehaPpQVyxrf5mtQlH+pc21PIudVV/E3rRQok=
github.com/vmihailenco/tagparser/v2 v2.0.0 h1:y09buUbR+b5aycVFQs/g70pqKVZNBmxwAhO7/IwNM9g=
github.com/vmihailenco/tagparser/v2 v2.0.0/go.mod h1:Wri+At7QHww0WTrCBeu4J6bNtoV6mEfg5OIWRZA9qds=
go.opentelemetry.io/otel v1.28.0 h1:/SqNcYk+idO0CxKEUOtKQClMK/MimZihKYMruSMViUo=
go.opentelemetry.io/otel v1.28.0/go.mod h1:q68ijF8Fc8CnMHKyzqL6akLO46ePnjkgfIMIjUIX9z4=
go.opentelemetry.io/otel/metric v1.28.0 h1:f0HGvSl1KRAU1DLgLGFjrwVyismPlnuU6JD6bOeuA5Q=
go.opentelemetry.io/otel/metric v1.28.0/go.mod h1:Fb1eVBFZmLVTMb6PPohq3TO9IIhUisDsbJoL/+uQW4s=
go.opentelemetry.io/otel/trace v1.28.0 h1:GhQ9cUuQGmNDd5BTCP2dAvv75RdMxEfTmYejp+lkx9g=
go.opentelemetry.io/otel/trace v1.28.0/go.mod h1:jPyXzNPg6da9+38HEwElrQiHlVMTnVfM3/yv2OlIHaI=
gopkg.in/yaml.v3 v3.0.1 h1:fxVm/GzAzEWqLHuvctI91KS9hhNmmWOoWu0XTYJS7CA=
gopkg.in/yaml.v3 v3.0.1/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=

25
examples/basic/service.go Normal file
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package main
import (
"context"
"fmt"
"git.derfenix.pro/fenix/commander"
"github.com/google/uuid"
)
func main() {
ctx := context.Background()
cmd := commander.New(10)
c1 := GetName{UID: uuid.NewString()}
c2 := GetAddress{Input: &c1.Result}
commands := []commander.Command{&c1, &c2}
if err := cmd.Execute(ctx, "", commands...); err != nil {
panic(err)
}
fmt.Println(c2.Result)
}

134
examples/basic/service_test.go Normal file
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package main
import (
"context"
"testing"
"time"
"github.com/google/uuid"
"git.derfenix.pro/fenix/commander"
"git.derfenix.pro/fenix/commander/inmemorycache"
)
func BenchmarkServiceNoop(b *testing.B) {
ctx := context.Background()
cmd := commander.New(10)
c1 := GetName{UID: uuid.NewString()}
c2 := GetAddress{Input: &c1.Result}
commands := []commander.Command{&c1, &c2}
b.ResetTimer()
b.ReportAllocs()
for i := 0; i < b.N; i++ {
if err := cmd.Execute(ctx, "", commands...); err != nil {
_ = err
}
}
}
func BenchmarkServiceWithDelay(b *testing.B) {
ctx := context.Background()
cmd := commander.New(10)
c1 := GetName{UID: uuid.NewString(), Sleep: time.Microsecond * 100}
c2 := GetAddress{Input: &c1.Result}
commands := []commander.Command{&c1, &c2}
b.ResetTimer()
b.ReportAllocs()
for i := 0; i < b.N; i++ {
if err := cmd.Execute(ctx, "", commands...); err != nil {
_ = err
}
}
}
func BenchmarkServiceWithRollbackNoop(b *testing.B) {
ctx := context.Background()
cmd := commander.New(10)
c1 := GetName{UID: uuid.NewString()}
c2 := GetAddress{Input: &c1.Result}
commands := []commander.Command{&c1, &c2}
commands = append(commands, &GetAddress{Input: &c2.Result})
b.ResetTimer()
b.ReportAllocs()
for i := 0; i < b.N; i++ {
if err := cmd.Execute(ctx, "", commands...); err != nil {
_ = err
}
}
}
func BenchmarkServiceWithRollbackWithDelay(b *testing.B) {
ctx := context.Background()
cmd := commander.New(10)
c1 := GetName{UID: uuid.NewString(), Sleep: time.Microsecond * 100}
c2 := GetAddress{Input: &c1.Result}
commands := []commander.Command{&c1, &c2}
commands = append(commands, &GetAddress{Input: &c2.Result})
b.ResetTimer()
b.ReportAllocs()
for i := 0; i < b.N; i++ {
if err := cmd.Execute(ctx, "", commands...); err != nil {
_ = err
}
}
}
func BenchmarkServiceWithCacheNoop(b *testing.B) {
ctx := context.Background()
cmd := commander.New(10)
cmd = cmd.WithCache(inmemorycache.NewInMemoryCache())
c1 := GetName{UID: uuid.NewString()}
c2 := GetAddress{Input: &c1.Result}
commands := []commander.Command{&c1, &c2}
b.ResetTimer()
b.ReportAllocs()
for i := 0; i < b.N; i++ {
if err := cmd.Execute(ctx, "", commands...); err != nil {
_ = err
}
}
}
func BenchmarkServiceWithCacheWithDelay(b *testing.B) {
ctx := context.Background()
cmd := commander.New(10)
cmd = cmd.WithCache(inmemorycache.NewInMemoryCache())
c1 := GetName{UID: uuid.NewString(), Sleep: time.Microsecond * 100}
c2 := GetAddress{Input: &c1.Result}
commands := []commander.Command{&c1, &c2}
b.ResetTimer()
b.ReportAllocs()
for i := 0; i < b.N; i++ {
if err := cmd.Execute(ctx, "", commands...); err != nil {
_ = err
}
}
}