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| package main
import ( "fmt" "time" )
func main() {
{ fmt.Println() fmt.Printf("查询消耗生成对账单\n") manager := NewMixManager() resp, err := manager.GenBill(GenBillReq{BizType: []string{"AD", "CPA"}, Len: 1}) if err != nil { panic(err) } fmt.Printf("查询消耗生成对账单: %+v\n", resp) time.Sleep(time.Second) } { fmt.Println() fmt.Printf("查询对账单生成结算单\n") manager := NewMixManager() resp, err := manager.GenSettle(GenSettleReq{BizType: []string{"AD", "CPA"}, Len: 2}) if err != nil { panic(err) } fmt.Printf("查询对账单生成结算单: %+v\n", resp) time.Sleep(time.Second) }
}
type GenBillReq struct { BizType []string Len int } type GenBillResp struct { Data interface{} } type GenSettleReq struct { BizType []string Len int } type GenSettleResp struct { Data interface{} }
func NewMixManager() *MixManager { object := new(MixManager) return object }
type MixManager struct { }
func (this *MixManager) GenBill(req GenBillReq) (*GenBillResp, error) { type GenBillManager interface { GenBill(req GenBillReq) (*GenBillResp, error) ListBill() []*Bill } var manager []GenBillManager for i := range req.BizType { switch req.BizType[i] { case "AD": manager = append(manager, NewAdGenBillManagerImpl()) case "CPA": manager = append(manager, NewCpaGenBillManagerImpl()) default: panic("未实现业务类型") } } for i := range manager { manager[i].GenBill(req) } var bill []*Bill for i := range manager { bill = append(bill, manager[i].ListBill()...) } resp := new(GenBillResp) resp.Data = bill return resp, nil } func (this *MixManager) GenSettle(req GenSettleReq) (*GenSettleResp, error) { type GenSettleManager interface { GenSettle(req GenSettleReq) (*GenSettleResp, error) ListSettle() []*Settle } var manager []GenSettleManager for i := range req.BizType { switch req.BizType[i] { case "AD": manager = append(manager, NewAdGenSettleManagerImpl()) case "CPA": manager = append(manager, NewCpaGenSettleManagerImpl()) default: panic("未实现业务类型") } } for i := range manager { manager[i].GenSettle(req) } var settle []*Settle for i := range manager { settle = append(settle, manager[i].ListSettle()...) } resp := new(GenSettleResp) resp.Data = settle return resp, nil }
type CpaCost struct { } type AdCost struct { } type Bill struct { } type Settle struct { }
func GenBill(cost ...interface{}) []*Bill { bill := make([]*Bill, len(cost)) for i := range bill { bill[i] = new(Bill) } return bill }
type Visitor[Manager any] interface { SetNext(object Visitor[Manager]) Exec(manager Manager) error }
func NewAbstractVisitor[Manager any]() *AbstractVisitor[Manager] { object := new(AbstractVisitor[Manager]) return object }
type AbstractVisitor[Manager any] struct { Next Visitor[Manager] }
func (this *AbstractVisitor[Manager]) SetNext(object Visitor[Manager]) { this.Next = object } func (this *AbstractVisitor[Manager]) ExecNext(manager Manager) error { if this.Next == nil { return nil } return this.Next.Exec(manager) }
func NewAbstractManager[Manager any]() *AbstractManager[Manager] { object := new(AbstractManager[Manager]) return object }
type AbstractManager[Manager any] struct { Head Visitor[Manager] Tail Visitor[Manager] }
func (this *AbstractManager[Manager]) Append(object Visitor[Manager]) { if object == nil { return } if this.Tail == nil { this.Head = object this.Tail = object } this.Tail.SetNext(object) this.Tail = object } func (this *AbstractManager[Manager]) Exec(manager Manager) error { if this.Head == nil { return nil } return this.Head.Exec(manager) }
func NewAsyncVisitor[Manager AsyncManager]() *AsyncVisitor[Manager] { object := new(AsyncVisitor[Manager]) object.AbstractVisitor = NewAbstractVisitor[Manager]() return object }
type AsyncManager interface { ListBill() []*Bill SetSettle(object ...*Settle) }
type AsyncVisitor[Manager AsyncManager] struct { *AbstractVisitor[Manager] }
func (this *AsyncVisitor[Manager]) Exec(manager Manager) error { fmt.Printf("异步执行其他Visitor: %T\n", this.Next) go func() { this.ExecNext(manager) }() return nil }
func NewGenSettleVisitor[Manager GenSettleManager]() *GenSettleVisitor[Manager] { object := new(GenSettleVisitor[Manager]) object.AbstractVisitor = NewAbstractVisitor[Manager]() return object }
type GenSettleManager interface { ListBill() []*Bill SetSettle(object ...*Settle) }
type GenSettleVisitor[Manager GenSettleManager] struct { *AbstractVisitor[Manager] }
func (this *GenSettleVisitor[Manager]) Exec(manager Manager) error { bill := manager.ListBill() fmt.Printf("使用Bill生成结算单: %+v\n", bill) settle := make([]*Settle, len(bill)) for i := range settle { settle[i] = new(Settle) } manager.SetSettle(settle...) return this.ExecNext(manager) }
func NewCpaGenBillManagerImpl() *CpaGenBillManagerImpl { object := new(CpaGenBillManagerImpl) object.AbstractManager = NewAbstractManager[*CpaGenBillManagerImpl]() return object }
type CpaGenBillManagerImpl struct { *AbstractManager[*CpaGenBillManagerImpl] Cost []*CpaCost Bill []*Bill }
func (this *CpaGenBillManagerImpl) ListCost() []*CpaCost { return this.Cost } func (this *CpaGenBillManagerImpl) SetCost(object ...*CpaCost) { this.Cost = object } func (this *CpaGenBillManagerImpl) ListBill() []*Bill { return this.Bill } func (this *CpaGenBillManagerImpl) SetBill(object ...*Bill) { this.Bill = object } func (this *CpaGenBillManagerImpl) GenBill(req GenBillReq) (*GenBillResp, error) { this.Append(NewCpaCostQueryVisitor[*CpaGenBillManagerImpl](req)) this.Append(NewCpaGenBillVisitor[*CpaGenBillManagerImpl]()) err := this.Exec(this) if err != nil { return nil, err } resp := new(GenBillResp) resp.Data = this.Bill return resp, nil }
func NewCpaGenSettleManagerImpl() *CpaGenSettleManagerImpl { object := new(CpaGenSettleManagerImpl) object.AbstractManager = NewAbstractManager[*CpaGenSettleManagerImpl]() return object }
type CpaGenSettleManagerImpl struct { *AbstractManager[*CpaGenSettleManagerImpl] Bill []*Bill Settle []*Settle }
func (this *CpaGenSettleManagerImpl) ListBill() []*Bill { return this.Bill } func (this *CpaGenSettleManagerImpl) SetBill(object ...*Bill) { this.Bill = object } func (this *CpaGenSettleManagerImpl) ListSettle() []*Settle { return this.Settle } func (this *CpaGenSettleManagerImpl) SetSettle(object ...*Settle) { this.Settle = object } func (this *CpaGenSettleManagerImpl) GenSettle(req GenSettleReq) (*GenSettleResp, error) { this.Append(NewCpaBillQueryVisitor[*CpaGenSettleManagerImpl](req)) this.Append(NewAsyncVisitor[*CpaGenSettleManagerImpl]()) this.Append(NewGenSettleVisitor[*CpaGenSettleManagerImpl]()) err := this.Exec(this) if err != nil { return nil, err } resp := new(GenSettleResp) resp.Data = this.Settle return resp, nil }
func NewCpaCostQueryVisitor[Manager CpaCostQueryManager](req GenBillReq) *CpaCostQueryVisitor[Manager] { object := new(CpaCostQueryVisitor[Manager]) object.AbstractVisitor = NewAbstractVisitor[Manager]() object.Req = req return object }
type CpaCostQueryManager interface { SetCost(object ...*CpaCost) }
type CpaCostQueryVisitor[Manager CpaCostQueryManager] struct { *AbstractVisitor[Manager] Req GenBillReq }
func (this *CpaCostQueryVisitor[Manager]) Exec(manager Manager) error { fmt.Printf("使用GenBillReq查询CPA消耗: %+v\n", this.Req) cost := make([]*CpaCost, this.Req.Len) for i := range cost { cost[i] = new(CpaCost) } manager.SetCost(cost...) return this.ExecNext(manager) }
func NewCpaGenBillVisitor[Manager CpaGenBillManager]() *CpaGenBillVisitor[Manager] { object := new(CpaGenBillVisitor[Manager]) object.AbstractVisitor = NewAbstractVisitor[Manager]() return object }
type CpaGenBillManager interface { ListCost() []*CpaCost SetBill(object ...*Bill) }
type CpaGenBillVisitor[Manager CpaGenBillManager] struct { *AbstractVisitor[Manager] }
func (this *CpaGenBillVisitor[Manager]) Exec(manager Manager) error { cost := manager.ListCost() fmt.Printf("使用CpaCost生成CPA对账单: %+v\n", cost) list := make([]interface{}, len(cost)) for i := range cost { list[i] = cost[i] } bill := GenBill(list...) manager.SetBill(bill...) return this.ExecNext(manager) }
func NewCpaBillQueryVisitor[Manager CpaBillQueryManager](req GenSettleReq) *CpaBillQueryVisitor[Manager] { object := new(CpaBillQueryVisitor[Manager]) object.AbstractVisitor = NewAbstractVisitor[Manager]() object.Req = req return object }
type CpaBillQueryManager interface { SetBill(object ...*Bill) }
type CpaBillQueryVisitor[Manager CpaBillQueryManager] struct { *AbstractVisitor[Manager] Req GenSettleReq }
func (this *CpaBillQueryVisitor[Manager]) Exec(manager Manager) error { fmt.Printf("使用GenSettleReq查询符合CPA要求的对账单: %+v\n", this.Req) bill := make([]*Bill, this.Req.Len) for i := range bill { bill[i] = new(Bill) } manager.SetBill(bill...) return this.ExecNext(manager) }
func NewAdGenBillManagerImpl() *AdGenBillManagerImpl { object := new(AdGenBillManagerImpl) object.AbstractManager = NewAbstractManager[*AdGenBillManagerImpl]() return object }
type AdGenBillManagerImpl struct { *AbstractManager[*AdGenBillManagerImpl] Cost []*AdCost Bill []*Bill }
func (this *AdGenBillManagerImpl) ListCost() []*AdCost { return this.Cost } func (this *AdGenBillManagerImpl) SetCost(object ...*AdCost) { this.Cost = object } func (this *AdGenBillManagerImpl) ListBill() []*Bill { return this.Bill } func (this *AdGenBillManagerImpl) SetBill(object ...*Bill) { this.Bill = object } func (this *AdGenBillManagerImpl) GenBill(req GenBillReq) (*GenBillResp, error) { this.Append(NewAdCostQueryVisitor[*AdGenBillManagerImpl](req)) this.Append(NewAdGenBillVisitor[*AdGenBillManagerImpl]()) err := this.Exec(this) if err != nil { return nil, err } resp := new(GenBillResp) resp.Data = this.Bill return resp, nil }
func NewAdGenSettleManagerImpl() *AdGenSettleManagerImpl { object := new(AdGenSettleManagerImpl) object.AbstractManager = NewAbstractManager[*AdGenSettleManagerImpl]() return object }
type AdGenSettleManagerImpl struct { *AbstractManager[*AdGenSettleManagerImpl] Bill []*Bill Settle []*Settle }
func (this *AdGenSettleManagerImpl) ListBill() []*Bill { return this.Bill } func (this *AdGenSettleManagerImpl) SetBill(object ...*Bill) { this.Bill = object } func (this *AdGenSettleManagerImpl) ListSettle() []*Settle { return this.Settle } func (this *AdGenSettleManagerImpl) SetSettle(object ...*Settle) { this.Settle = object } func (this *AdGenSettleManagerImpl) GenSettle(req GenSettleReq) (*GenSettleResp, error) { this.Append(NewAdBillQueryVisitor[*AdGenSettleManagerImpl](req)) this.Append(NewAsyncVisitor[*AdGenSettleManagerImpl]()) this.Append(NewGenSettleVisitor[*AdGenSettleManagerImpl]()) err := this.Exec(this) if err != nil { return nil, err } resp := new(GenSettleResp) resp.Data = this.Settle return resp, nil }
func NewAdCostQueryVisitor[Manager AdCostQueryManager](req GenBillReq) *AdCostQueryVisitor[Manager] { object := new(AdCostQueryVisitor[Manager]) object.AbstractVisitor = NewAbstractVisitor[Manager]() object.Req = req return object }
type AdCostQueryManager interface { SetCost(object ...*AdCost) }
type AdCostQueryVisitor[Manager AdCostQueryManager] struct { *AbstractVisitor[Manager] Req GenBillReq }
func (this *AdCostQueryVisitor[Manager]) Exec(manager Manager) error { fmt.Printf("使用GenBillReq查询AD消耗: %+v\n", this.Req) cost := make([]*AdCost, this.Req.Len) for i := range cost { cost[i] = new(AdCost) } manager.SetCost(cost...) return this.ExecNext(manager) }
func NewAdGenBillVisitor[Manager AdGenBillManager]() *AdGenBillVisitor[Manager] { object := new(AdGenBillVisitor[Manager]) object.AbstractVisitor = NewAbstractVisitor[Manager]() return object }
type AdGenBillManager interface { ListCost() []*AdCost SetBill(object ...*Bill) }
type AdGenBillVisitor[Manager AdGenBillManager] struct { *AbstractVisitor[Manager] }
func (this *AdGenBillVisitor[Manager]) Exec(manager Manager) error { cost := manager.ListCost() fmt.Printf("使用AdCost生成AD对账单: %+v\n", cost) list := make([]interface{}, len(cost)) for i := range cost { list[i] = cost[i] } bill := GenBill(list...) manager.SetBill(bill...) return this.ExecNext(manager) }
func NewAdBillQueryVisitor[Manager AdBillQueryManager](req GenSettleReq) *AdBillQueryVisitor[Manager] { object := new(AdBillQueryVisitor[Manager]) object.AbstractVisitor = NewAbstractVisitor[Manager]() object.Req = req return object }
type AdBillQueryManager interface { SetBill(object ...*Bill) }
type AdBillQueryVisitor[Manager AdBillQueryManager] struct { *AbstractVisitor[Manager] Req GenSettleReq }
func (this *AdBillQueryVisitor[Manager]) Exec(manager Manager) error { fmt.Printf("使用GenSettleReq查询符合AD要求的对账单: %+v\n", this.Req) bill := make([]*Bill, this.Req.Len) for i := range bill { bill[i] = new(Bill) } manager.SetBill(bill...) return this.ExecNext(manager) }
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