reply

Documentation

Overview

Package reply represents responses to messages of the messagebus

Index

• Constants
• func Deserialize(buff io.Reader) (core.Reply, error)
• func Serialize(reply core.Reply) (io.Reader, error)
• type CallConstructor
  • func (r *CallConstructor) Type() core.ReplyType
• type CallMethod
  • func (r *CallMethod) Type() core.ReplyType
• type Children
  • func (e *Children) Type() core.ReplyType
• type Class
  • func (e *Class) Type() core.ReplyType
• type Code
  • func (e *Code) Type() core.ReplyType
• type Delegate
  • func (e *Delegate) Type() core.ReplyType
• type ErrType
• type Error
  • func (e *Error) Error() error
  • func (e *Error) Type() core.ReplyType
• type ID
  • func (e *ID) Type() core.ReplyType
• type OK
  • func (e *OK) Type() core.ReplyType
• type Object
  • func (e *Object) Type() core.ReplyType
• type Reference
  • func (e *Reference) Type() core.ReplyType

Constants

const (

	// TypeError is reply with error.
	TypeError = core.ReplyType(iota + 1)
	// TypeOK is a generic reply for success calls without returned value.
	TypeOK

	// TypeCallMethod - two binary fields: data and results.
	TypeCallMethod
	// TypeCallConstructor - reference on created object
	TypeCallConstructor

	// TypeCode is code from storage.
	TypeCode
	// TypeClass is class from storage.
	TypeClass
	// TypeObject is object from storage.
	TypeObject
	// TypeDelegate is delegate reference from storage.
	TypeDelegate
	// TypeReference is common reply for methods returning reference to created records.
	TypeReference
	// TypeID is common reply for methods returning id to lifeline states.
	TypeID
	// TypeChildren is a reply for fetching objects children in chunks.
	TypeChildren
)

const (
	// ErrDeactivated returned when requested object is deactivated.
	ErrDeactivated = iota + 1
)

Functions

func Deserialize

func Deserialize(buff io.Reader) (core.Reply, error)

Deserialize returns decoded reply.

func Serialize

func Serialize(reply core.Reply) (io.Reader, error)

Serialize returns encoded reply.

Types

type CallConstructor

type CallConstructor struct {
	Object *core.RecordRef
}

func (*CallConstructor) Type

func (r *CallConstructor) Type() core.ReplyType

Type returns type of the reply

type CallMethod

type CallMethod struct {
	Data   []byte
	Result []byte
}

CallMethod - the most common reply

func (*CallMethod) Type

func (r *CallMethod) Type() core.ReplyType

Type returns type of the reply

type Children

type Children struct {
	Refs     []core.RecordRef
	NextFrom *core.RecordID
}

Children is common reaction for methods returning id to lifeline states.

func (*Children) Type

func (e *Children) Type() core.ReplyType

Type implementation of Reply interface.

type Class

type Class struct {
	Head        core.RecordRef
	State       core.RecordID
	Code        *core.RecordRef // Can be nil.
	MachineType core.MachineType
}

Class is class from storage.

func (*Class) Type

func (e *Class) Type() core.ReplyType

Type implementation of Reply interface.

type Code

type Code struct {
	Code        []byte
	MachineType core.MachineType
}

Code is code from storage.

func (*Code) Type

func (e *Code) Type() core.ReplyType

Type implementation of Reply interface.

type Delegate

type Delegate struct {
	Head core.RecordRef
}

Delegate is delegate reference from storage.

func (*Delegate) Type

func (e *Delegate) Type() core.ReplyType

Type implementation of Reply interface.

type ErrType

type ErrType int

ErrType is used to determine and compare reply errors.

type Error

type Error struct {
	ErrType ErrType
}

Error is common reaction for methods returning id to lifeline states.

func (*Error) Error

func (e *Error) Error() error

Error returns concrete error for stored type.

func (*Error) Type

func (e *Error) Type() core.ReplyType

Type implementation of Reply interface.

type ID

type ID struct {
	ID core.RecordID
}

ID is common reaction for methods returning id to lifeline states.

func (*ID) Type

func (e *ID) Type() core.ReplyType

Type implementation of Reply interface.

type OK

type OK struct {
}

OK is a generic reply for success calls without returned value.

func (*OK) Type

func (e *OK) Type() core.ReplyType

Type implementation of Reply interface.

type Object

type Object struct {
	Head   core.RecordRef
	State  core.RecordID
	Class  core.RecordRef
	Memory []byte
}

Object is object from storage.

func (*Object) Type

func (e *Object) Type() core.ReplyType

Type implementation of Reply interface.

type Reference

type Reference struct {
	Ref core.RecordRef
}

Reference is common reaction for methods returning reference to created records.

func (*Reference) Type

func (e *Reference) Type() core.ReplyType

Type implementation of Reply interface.