bus

package
Version: v0.2.0 Latest Latest
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Published: Mar 21, 2018 License: Apache-2.0 Imports: 4 Imported by: 0

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Constants

This section is empty.

Variables

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var ErrHandlerAlreadySet = errors.New("handler is already set")

ErrHandlerAlreadySet is when a handler is already registered for a command.

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var ErrHandlerNotFound = errors.New("no handlers for command")

ErrHandlerNotFound is when no handler can be found.

Functions

This section is empty.

Types

type CommandHandler

type CommandHandler struct {
	// contains filtered or unexported fields
}

CommandHandler is a command handler that handles commands by routing to the registered CommandHandlers.

func NewCommandHandler

func NewCommandHandler() *CommandHandler

NewCommandHandler creates a CommandHandler.

func (*CommandHandler) HandleCommand

func (h *CommandHandler) HandleCommand(ctx context.Context, cmd eh.Command) error

HandleCommand handles a command with a handler capable of handling it.

func (*CommandHandler) SetHandler

func (h *CommandHandler) SetHandler(handler eh.CommandHandler, cmdType eh.CommandType) error

SetHandler adds a handler for a specific command.

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