command

Jan 3, 2024

Changes in this version

+ type Handler interface

+ Handle func(ctx context.Context, cmd C) error

+ type RedoHandler interface

+ Handle func(ctx context.Context, cmd C) error

+ type UndoHandler interface

+ Handle func(ctx context.Context, cmd C) error

Jan 30, 2023

Changes in this version

+ var ErrNotCommand = errors.New("not implement Command interface")

+ var ErrNotFoundRedoCommand = errors.New("not found command in redo command stack")

+ var ErrNotFoundUndoCommand = errors.New("not found command in undo command stack")

+ var ErrNotReceiver = errors.New("not implement receiver interface")

+ var ErrNotRedoCommand = errors.New("not implement RedoCommand interface")

+ var ErrNotUndoCommand = errors.New("not implement UndoCommand interface")

+ type Command interface

+ Execute func(ctx context.Context) (context.Context, error)

+ func Chain(cmd Command, middlewares ...Middleware) Command

+ type CommandFunc func(ctx context.Context) (context.Context, error)

+ func (f CommandFunc) Execute(ctx context.Context) (context.Context, error)

+ type ConcreteCommand struct

+ func NewConcreteCommand(receiver Receiver) *ConcreteCommand

+ func (cmd *ConcreteCommand) Execute(ctx context.Context) error

+ type Invoker struct

+ func (invoker *Invoker) Call(ctx context.Context, cmd Command) (context.Context, error)

+ func (invoker *Invoker) Redo(ctx context.Context) (context.Context, error)

+ func (invoker *Invoker) Undo(ctx context.Context) (context.Context, error)

+ type Middleware interface

+ Decorate func(cmd Command) Command

+ type MiddlewareFunc func(cmd Command) Command

+ func (f MiddlewareFunc) Decorate(cmd Command) Command

+ type Receiver interface

+ Action func(ctx context.Context) error

+ type RedoCommand interface

+ Redo func(ctx context.Context) (context.Context, error)

+ type RedoCommandFunc func(ctx context.Context) (context.Context, error)

+ func (f RedoCommandFunc) Redo(ctx context.Context) (context.Context, error)

+ type RichCommand struct

+ func NewRichCommand(cmd Command, undoCmd UndoCommand, redoCmd RedoCommand) *RichCommand

+ func (cmd *RichCommand) Execute(ctx context.Context) (context.Context, error)

+ func (cmd *RichCommand) Redo(ctx context.Context) (context.Context, error)

+ func (cmd *RichCommand) Undo(ctx context.Context) (context.Context, error)

+ type UndoCommand interface

+ Undo func(ctx context.Context) (context.Context, error)

+ type UndoCommandFunc func(ctx context.Context) (context.Context, error)

+ func (f UndoCommandFunc) Undo(ctx context.Context) (context.Context, error)