appcontext

Documentation

Index

• Constants
• type ApplicationContext
  • func CreateApplicationContext() ApplicationContext
  • func (applicationContext *ApplicationContext) Add(componentName string, ...)
  • func (applicationContext *ApplicationContext) Count() int
  • func (applicationContext *ApplicationContext) Delete(componentName string)
  • func (applicationContext *ApplicationContext) Get(componentName string) Component
• type Component
• type ComponentInfo
  • func (componentInfo *ComponentInfo) Get() Component
• type ComponentInitializerFunction

Constants

const (
	Logger                 = "Logger"
	SensuRepository        = "SensuRepository"
	SlackRepository        = "SlackRepository"
	TelegramRepository     = "TelegramRepository"
	GoogleChatRepository   = "GoogleChatRepository"
	AlertManagerRepository = "AlertManagerRepository"
	OpsgenieRepository     = "OpsgenieRepository"
)

List of consts containing the names of the available components in the Application Context - appcontext.Current (Add your component names here as constants)

Types

type ApplicationContext

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

ApplicationContext is the type defining a map of Components

var Current ApplicationContext

Current keeps all components available, initialized in the application startup

func CreateApplicationContext

func CreateApplicationContext() ApplicationContext

CreateApplicationContext creates a new ApplicationContext instance

func (*ApplicationContext) Add

func (applicationContext *ApplicationContext) Add(componentName string, componentInitializerFunction ComponentInitializerFunction)

Add a component By Name

func (*ApplicationContext) Count

func (applicationContext *ApplicationContext) Count() int

Count returns the count of components registered

func (*ApplicationContext) Delete

func (applicationContext *ApplicationContext) Delete(componentName string)

Delete a component By Name

func (*ApplicationContext) Get

func (applicationContext *ApplicationContext) Get(componentName string) Component

Get a component By Name

type Component

type Component interface{}

Component is the Base interface for all Components

type ComponentInfo

type ComponentInfo struct {
	Initializer ComponentInitializerFunction
	Instance    Component
}

ComponentInfo holds the function to lazy initialize the component and the instance created following the singleton pattern

func (*ComponentInfo) Get

func (componentInfo *ComponentInfo) Get() Component

Get s the instance. If it is not created, creates and stores it to the next calls

type ComponentInitializerFunction

type ComponentInitializerFunction func() Component

ComponentInitializerFunction specifies a function for lazily initializing a component