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https://github.com/go-kratos/kratos.git
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update genmc
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小旭
parent
4d4fc4e345
commit
f7c596cff5
@ -40,5 +40,6 @@ mc Add方法需要用注解 -type=only_add单独指定
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| batch | | get(限多key模板) | 批量获取数据 每组大小 | - | 100 |
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| max_group | | get(限多key模板) | 批量获取数据 最大组数量 | - | 10 |
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| batch_err | break | get(限多key模板) | 批量获取数据回源错误的时候 降级继续请求(continue)还是直接返回(break) | break 或 continue | continue |
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| struct_name | Dao | 全部 | 用户自定义Dao结构体名称 | | MemcacheDao |
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| struct_name | dao | 全部 | 用户自定义Dao结构体名称 | | MemcacheDao |
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|check_null_code||add/set|(和null_expire配套使用)判断是否是空缓存的代码 用于为空缓存独立设定过期时间||$.ID==-1 或者 $=="-1"等|
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|null_expire|300(5分钟)|add/set|(和check_null_code配套使用)空缓存的过期时间||d.nullExpire|
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@ -25,7 +25,5 @@ NEWLINE
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{{.ImportPackage}}
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)
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var (
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_ _mc
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)
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var _ _mc
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`
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@ -9,26 +9,29 @@ import (
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"os"
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"path/filepath"
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"regexp"
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"runtime"
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"strconv"
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"strings"
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"text/template"
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"github.com/bilibili/kratos/tool/pkg"
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common "github.com/bilibili/kratos/tool/pkg"
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)
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var (
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encode = flag.String("encode", "", "encode type: json/pb/raw/gob/gzip")
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mcType = flag.String("type", "", "type: get/set/del/replace/only_add")
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key = flag.String("key", "", "key name method")
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expire = flag.String("expire", "", "expire time code")
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structName = flag.String("struct_name", "Dao", "struct name")
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batchSize = flag.Int("batch", 0, "batch size")
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batchErr = flag.String("batch_err", "break", "batch err to contine or break")
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maxGroup = flag.Int("max_group", 0, "max group size")
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encode = flag.String("encode", "", "encode type: json/pb/raw/gob/gzip")
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mcType = flag.String("type", "", "type: get/set/del/replace/only_add")
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key = flag.String("key", "", "key name method")
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expire = flag.String("expire", "", "expire time code")
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structName = flag.String("struct_name", "dao", "struct name")
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batchSize = flag.Int("batch", 0, "batch size")
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batchErr = flag.String("batch_err", "break", "batch err to contine or break")
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maxGroup = flag.Int("max_group", 0, "max group size")
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checkNullCode = flag.String("check_null_code", "", "check null code")
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nullExpire = flag.String("null_expire", "", "null cache expire time code")
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mcValidTypes = []string{"set", "replace", "del", "get", "only_add"}
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mcValidPrefix = []string{"set", "replace", "del", "get", "cache", "add"}
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optionNamesMap = map[string]bool{"batch": true, "max_group": true, "encode": true, "type": true, "key": true, "expire": true, "batch_err": true, "struct_name": true}
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optionNamesMap = map[string]bool{"batch": true, "max_group": true, "encode": true, "type": true, "key": true, "expire": true, "batch_err": true, "struct_name": true, "check_null_code": true, "null_expire": true}
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simpleTypes = []string{"int", "int8", "int16", "int32", "int64", "float32", "float64", "uint", "uint8", "uint16", "uint32", "uint64", "bool", "string", "[]byte"}
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lenTypes = []string{"[]", "map"}
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)
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@ -51,6 +54,9 @@ func resetFlag() {
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*batchSize = 0
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*maxGroup = 0
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*batchErr = "break"
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*checkNullCode = ""
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*nullExpire = ""
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*structName = "dao"
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}
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// options options
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@ -88,17 +94,20 @@ type options struct {
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LenType bool
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PointType bool
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StructName string
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CheckNullCode string
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ExpireNullCode string
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EnableNullCode bool
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}
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func getOptions(opt *options, comment string) {
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os.Args = []string{os.Args[0]}
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if regexp.MustCompile(`\s+//\s*mc:.+`).Match([]byte(comment)) {
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args := strings.Split(pkg.RegexpReplace(`//\s*mc:(?P<arg>.+)`, comment, "$arg"), " ")
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args := strings.Split(common.RegexpReplace(`//\s*mc:(?P<arg>.+)`, comment, "$arg"), " ")
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for _, arg := range args {
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arg = strings.TrimSpace(arg)
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if arg != "" {
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// validate option name
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argName := pkg.RegexpReplace(`-(?P<name>[\w_-]+)=.+`, arg, "$name")
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argName := common.RegexpReplace(`-(?P<name>[\w_-]+)=.+`, arg, "$name")
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if !optionNamesMap[argName] {
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log.Fatalf("选项:%s 不存在 请检查拼写\n", argName)
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}
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@ -122,9 +131,16 @@ func getOptions(opt *options, comment string) {
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opt.GroupSize = *batchSize
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opt.MaxGroup = *maxGroup
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opt.StructName = *structName
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opt.CheckNullCode = *checkNullCode
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if *nullExpire != "" {
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opt.ExpireNullCode = *nullExpire
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}
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if opt.CheckNullCode != "" {
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opt.EnableNullCode = true
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}
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}
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func getTypeFromPrefix(opt *options, params []*ast.Field, s *pkg.Source) {
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func getTypeFromPrefix(opt *options, params []*ast.Field, s *common.Source) {
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if opt.MCType == "" {
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for _, t := range mcValidPrefix {
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if strings.HasPrefix(strings.ToLower(opt.name), t) {
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@ -160,7 +176,7 @@ func getTypeFromPrefix(opt *options, params []*ast.Field, s *pkg.Source) {
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}
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}
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func processList(s *pkg.Source, list *ast.Field) (opt options) {
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func processList(s *common.Source, list *ast.Field) (opt options) {
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src := s.Src
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fset := s.Fset
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lines := strings.Split(src, "\n")
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@ -168,11 +184,12 @@ func processList(s *pkg.Source, list *ast.Field) (opt options) {
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opt.name = list.Names[0].Name
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opt.KeyMethod = "key" + opt.name
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opt.ExpireCode = "d.mc" + opt.name + "Expire"
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opt.ExpireNullCode = "300" // 默认5分钟
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// get comment
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line := fset.Position(list.Pos()).Line - 3
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if len(lines)-1 >= line {
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comment := lines[line]
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opt.Comment = pkg.RegexpReplace(`\s+//(?P<name>.+)`, comment, "$name")
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opt.Comment = common.RegexpReplace(`\s+//(?P<name>.+)`, comment, "$name")
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opt.Comment = strings.TrimSpace(opt.Comment)
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}
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// get options
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@ -235,7 +252,7 @@ func processList(s *pkg.Source, list *ast.Field) (opt options) {
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return
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}
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func getKeyValueType(opt *options, params, results []*ast.Field, s *pkg.Source) {
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func getKeyValueType(opt *options, params, results []*ast.Field, s *common.Source) {
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// check
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if s.ExprString(results[len(results)-1].Type) != "error" {
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log.Fatalln("最后返回值参数需为error")
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@ -352,7 +369,7 @@ func getKeyValueType(opt *options, params, results []*ast.Field, s *pkg.Source)
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}
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}
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func parse(s *pkg.Source) (opts []*options) {
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func parse(s *common.Source) (opts []*options) {
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c := s.F.Scope.Lookup(_interfaceName)
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if (c == nil) || (c.Kind != ast.Typ) {
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log.Fatalln("无法找到缓存声明")
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@ -476,6 +493,9 @@ func genBody(opts []*options) (res string) {
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src = strings.Replace(src, "VALUE", option.ValueType, -1)
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src = strings.Replace(src, "GROUPSIZE", strconv.Itoa(option.GroupSize), -1)
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src = strings.Replace(src, "MAXGROUP", strconv.Itoa(option.MaxGroup), -1)
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if option.EnableNullCode {
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option.CheckNullCode = strings.Replace(option.CheckNullCode, "$", "val", -1)
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}
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t := template.Must(template.New("cache").Parse(src))
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var buffer bytes.Buffer
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err := t.Execute(&buffer, option)
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@ -494,13 +514,15 @@ func main() {
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log.SetFlags(0)
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defer func() {
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if err := recover(); err != nil {
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log.Fatalf("程序解析失败, err: %+v", err)
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buf := make([]byte, 64*1024)
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buf = buf[:runtime.Stack(buf, false)]
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log.Fatalf("程序解析失败, err: %+v stack: %s 请企业微信联系 @wangxu01", err, buf)
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}
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}()
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options := parse(pkg.NewSource(pkg.SourceText()))
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options := parse(common.NewSource(common.SourceText()))
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header := genHeader(options)
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body := genBody(options)
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code := pkg.FormatCode(header + "\n" + body)
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code := common.FormatCode(header + "\n" + body)
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// Write to file.
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dir := filepath.Dir(".")
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outputName := filepath.Join(dir, "mc.cache.go")
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@ -167,6 +167,11 @@ func (d *{{.StructName}}) NAME(c context.Context, values map[KEY]VALUE {{.ExtraA
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{{else}}
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item := &memcache.Item{Key: key, Object: val, Expiration: {{.ExpireCode}}, Flags: {{.Encode}}}
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{{end}}
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{{if .EnableNullCode}}
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if {{.CheckNullCode}} {
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item.Expiration = {{.ExpireNullCode}}
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}
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{{end}}
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if err = d.mc.Set(c, item); err != nil {
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log.Errorv(c, log.KV("NAME", fmt.Sprintf("%+v", err)), log.KV("key", key))
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return
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@ -72,6 +72,11 @@ func (d *{{.StructName}}) NAME(c context.Context, val VALUE) (err error) {
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{{else}}
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item := &memcache.Item{Key: key, Object: val, Expiration: {{.ExpireCode}}, Flags: {{.Encode}}}
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{{end}}
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{{if .EnableNullCode}}
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if {{.CheckNullCode}} {
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item.Expiration = {{.ExpireNullCode}}
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}
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{{end}}
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if err = d.mc.Set(c, item); err != nil {
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log.Errorv(c, log.KV("NAME", fmt.Sprintf("%+v", err)), log.KV("key", key))
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return
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@ -71,6 +71,11 @@ func (d *{{.StructName}}) NAME(c context.Context, id KEY, val VALUE {{.ExtraArgs
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{{else}}
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item := &memcache.Item{Key: key, Object: val, Expiration: {{.ExpireCode}}, Flags: {{.Encode}}}
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{{end}}
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{{if .EnableNullCode}}
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if {{.CheckNullCode}} {
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item.Expiration = {{.ExpireNullCode}}
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}
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{{end}}
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if err = d.mc.Set(c, item); err != nil {
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log.Errorv(c, log.KV("NAME", fmt.Sprintf("%+v", err)), log.KV("key", key))
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return
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