desc

package
v0.9.23 Latest Latest
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 Go to latest Published: Dec 30, 2022 License: BSD-3-Clause Imports: 6 Imported by: 12

README

Desc

desc package holds the implementations and definitions of the different descriptors of building blocks of the ronykit framework such as Service, Contract and Stub.

Documentation

Index

Constants

This section is empty.

Variables

This section is empty.

Functions

This section is empty.

Types

type Contract 

type Contract struct {
	Name           string
	Encoding       kit.Encoding
	Handlers       []kit.HandlerFunc
	Wrappers       []kit.ContractWrapper
	RouteSelectors []RouteSelector
	EdgeSelector   kit.EdgeSelectorFunc
	Modifiers      []kit.ModifierFunc
	Input          kit.Message
	Output         kit.Message
	PossibleErrors []Error
}

Contract is the description of the kit.Contract you are going to create.

func NewContract 

func NewContract() *Contract

func (*Contract) AddError 

func (c *Contract) AddError(err kit.ErrorMessage) *Contract

AddError sets the possible errors for this Contract. Using this method is OPTIONAL, which mostly could be used by external tools such as Swagger or any other doc generator tools.

func (*Contract) AddHandler 

func (c *Contract) AddHandler(h ...kit.HandlerFunc) *Contract

AddHandler add handler for this contract.

func (*Contract) AddModifier 

func (c *Contract) AddModifier(m kit.ModifierFunc) *Contract

AddModifier adds a kit.ModifierFunc for this contract. Modifiers are used to modify the outgoing kit.Envelope just before sending to the client.

func (*Contract) AddNamedSelector 

func (c *Contract) AddNamedSelector(name string, s kit.RouteSelector) *Contract

AddNamedSelector adds a kit.RouteSelector for this contract, and assign it a unique name. In case of you need to use auto-generated stub.Stub for your service/contract this name will be used in the generated code.

func (*Contract) AddSelector 

func (c *Contract) AddSelector(s kit.RouteSelector) *Contract

AddSelector adds a kit.RouteSelector for this contract. Selectors are bundle specific.

func (*Contract) AddWrapper 

func (c *Contract) AddWrapper(wrappers ...kit.ContractWrapper) *Contract

AddWrapper adds a kit.ContractWrapper for this contract.

func (*Contract) Coordinator added in v0.9.15 

func (c *Contract) Coordinator(f kit.EdgeSelectorFunc) *Contract

Coordinator is an alias for SetCoordinator

func (*Contract) In 

func (c *Contract) In(m kit.Message) *Contract

In is an alias for SetInput

func (*Contract) NamedSelector 

func (c *Contract) NamedSelector(name string, s kit.RouteSelector) *Contract

NamedSelector is an alias for AddNamedSelector

func (*Contract) Out 

func (c *Contract) Out(m kit.Message) *Contract

Out is an alias for SetOutput

func (*Contract) Selector 

func (c *Contract) Selector(s kit.RouteSelector) *Contract

Selector is an alias for AddSelector

func (*Contract) SetCoordinator 

func (c *Contract) SetCoordinator(f kit.EdgeSelectorFunc) *Contract

SetCoordinator sets a kit.EdgeSelectorFunc for this contract, to coordinate requests to right kit.EdgeServer instance.

func (*Contract) SetEncoding 

func (c *Contract) SetEncoding(enc kit.Encoding) *Contract

SetEncoding sets the supported encoding for this contract.

func (*Contract) SetHandler 

func (c *Contract) SetHandler(h ...kit.HandlerFunc) *Contract

SetHandler set the handler by replacing the already existing ones.

func (*Contract) SetInput 

func (c *Contract) SetInput(m kit.Message) *Contract

SetInput sets the accepting message for this Contract. Contracts are bound to one input message. In some odd cases if you need to handle multiple input messages, then you SHOULD create multiple contracts but with same handlers and/or selectors.

func (*Contract) SetName 

func (c *Contract) SetName(name string) *Contract

SetName sets the name of the Contract c, it MUST be unique per Service. However, it has no operation effect only is helpful with some other tools such as monitoring, logging or tracing tools to identity it.

func (*Contract) SetOutput 

func (c *Contract) SetOutput(m kit.Message) *Contract

SetOutput sets the outgoing message for this Contract. This is an OPTIONAL parameter, which mostly could be used by external tools such as Swagger or any other doc generator tools.

type DTO 

type DTO struct {
	// Comments could be used by generators to print some useful information about this DTO
	Comments []string
	// Name is the name of this DTO struct
	Name   string
	Type   string
	IsErr  bool
	Fields []DTOField
}

DTO represents the description of Data Transfer Object of the Stub

func (DTO) CodeField 

func (dto DTO) CodeField() string

func (DTO) ItemField 

func (dto DTO) ItemField() string

type DTOField 

type DTOField struct {
	// Name of this field
	Name string
	// Type of this field and if this type is slice or map then it might have one or two
	// subtypes
	Type     string
	SubType1 string
	SubType2 string
	// If this field was an embedded field means fields are coming from an embedded DTO
	// If Embedded is TRUE then for sure IsDTO must be TRUE
	Embedded bool
	IsDTO    bool
	Tags     []DTOFieldTag
}

DTOField represents description of a field of the DTO

type DTOFieldTag 

type DTOFieldTag struct {
	Name  string
	Value string
}

DTOFieldTag represents description of a tag of the DTOField

type Error 

type Error struct {
	Code    int
	Item    string
	Message kit.Message
}

type ErrorDTO 

type ErrorDTO struct {
	Code int
	Item string
	DTO  DTO
}

ErrorDTO represents description of a Data Object Transfer which is used to show an error case.

type RESTMethod 

type RESTMethod struct {
	Name           string
	Method         string
	Path           string
	Encoding       string
	Request        DTO
	Response       DTO
	PossibleErrors []ErrorDTO
}

RESTMethod represents description of a Contract with kit.RESTRouteSelector.

type RPCMethod 

type RPCMethod struct {
	Name           string
	Predicate      string
	Request        DTO
	Response       DTO
	PossibleErrors []ErrorDTO
	Encoding       string
	kit.IncomingRPCContainer
	kit.OutgoingRPCContainer
}

RPCMethod represents description of a Contract with kit.RPCRouteSelector

type RouteSelector 

type RouteSelector struct {
	Name     string
	Selector kit.RouteSelector
}

type Service 

type Service struct {
	Name           string
	Version        string
	Description    string
	Encoding       kit.Encoding
	PossibleErrors []Error
	Wrappers       []kit.ServiceWrapper
	Contracts      []Contract
	Handlers       []kit.HandlerFunc
	// contains filtered or unexported fields
}

Service is the description of the kit.Service you are going to create. It then generates a kit.Service by calling Generate method.

func NewService 

func NewService(name string) *Service

func (*Service) AddContract 

func (s *Service) AddContract(contracts ...*Contract) *Service

AddContract adds a contract to the service.

func (*Service) AddError 

func (s *Service) AddError(err kit.ErrorMessage) *Service

AddError sets the possible errors for all the Contracts of this Service. Using this method is OPTIONAL, which mostly could be used by external tools such as Swagger or any other doc generator tools. NOTE: The auto-generated stub also use these errors to identifies if the response should be considered 

as error or successful.

func (*Service) AddHandler 

func (s *Service) AddHandler(h ...kit.HandlerFunc) *Service

AddHandler adds handlers to run before and/or after the contract's handlers

func (*Service) AddWrapper 

func (s *Service) AddWrapper(wrappers ...kit.ServiceWrapper) *Service

AddWrapper adds service wrappers to the Service description.

func (*Service) Generate 

func (s *Service) Generate() kit.Service

Generate generates the kit.Service

func (*Service) SetDescription 

func (s *Service) SetDescription(d string) *Service

func (*Service) SetEncoding 

func (s *Service) SetEncoding(enc kit.Encoding) *Service

func (*Service) SetVersion 

func (s *Service) SetVersion(v string) *Service

func (*Service) Stub 

func (s *Service) Stub(pkgName string, tags ...string) (*Stub, error)

Stub returns the Stub, which describes the stub specification and could be used to auto-generate stub for this service.

type ServiceDesc 

type ServiceDesc interface {
	Desc() *Service
}

type ServiceDescFunc 

type ServiceDescFunc func() *Service

func (ServiceDescFunc) Desc 

func (f ServiceDescFunc) Desc() *Service

type Stub 

type Stub struct {
	Pkg   string
	Name  string
	DTOs  map[string]DTO
	RESTs []RESTMethod
	RPCs  []RPCMethod
	// contains filtered or unexported fields
}

Stub represents description of a stub of the service described by Service descriptor.

func (*Stub) Tags 

func (d *Stub) Tags() []string

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