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Constants ¶
const ( // StatusUndefined when service bus can not find the service. StatusUndefined = iota // StatusInactive when service has been registered in container. StatusInactive // StatusOK when service has been properly configured. StatusOK // StatusServing when service is currently done. StatusServing // StatusStopping when service is currently stopping. StatusStopping // StatusStopped when service being stopped. StatusStopped )
const InitMethod = "Init"
InitMethod contains name of the method to be automatically invoked while service initialization. Must return (bool, error). Container can be requested as well. Config can be requested in a form of service.Config or pointer to service specific config struct (automatically unmarshalled), config argument must implement service.HydrateConfig.
Variables ¶
This section is empty.
Functions ¶
This section is empty.
Types ¶
type Config ¶
type Config interface {
// get nested config section (sub-map), returns nil if section not found.
Get(service string) Config
// Unmarshal unmarshal config data into given struct.
Unmarshal(out interface{}) error
}
Config provides ability to slice configuration sections and unmarshal configuration data into given structure.
type Container ¶
type Container interface {
// Register add new service to the container under given name.
Register(name string, service interface{})
// Reconfigure configures all underlying services with given configuration.
Init(cfg Config) error
// Check if svc has been registered.
Has(service string) bool
// get returns svc instance by it's name or nil if svc not found. Method returns current service status
// as second value.
Get(service string) (svc interface{}, status int)
// Serve all configured services. Non blocking.
Serve() error
// Close all active services.
Stop()
// List service names.
List() []string
}
Container controls all internal RR services and provides plugin based system.
func NewContainer ¶
func NewContainer(log logrus.FieldLogger) Container
NewContainer creates new service container.
type DefaultsConfig ¶ added in v1.2.2
type DefaultsConfig interface {
// InitDefaults allows to init blank config with pre-defined set of default values.
InitDefaults() error
}
DefaultsConfig declares ability to be initated without config data provided.
type HydrateConfig ¶ added in v1.1.0
type HydrateConfig interface {
// Hydrate must populate config values using given config source.
// Must return error if config is not valid.
Hydrate(cfg Config) error
}
HydrateConfig provides ability to automatically hydrate config with values using service.Config as the source.
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