config

package
Version: v2.0.5 Latest Latest
Warning

This package is not in the latest version of its module.

Go to latest
Published: Aug 16, 2021 License: MIT Imports: 22 Imported by: 39

README

Config

Documentation

Index

Constants

This section is empty.

Variables

View Source
var (
	// ErrNotFound is key not found.
	ErrNotFound = errors.New("key not found")
	// ErrTypeAssert is type assert error.
	ErrTypeAssert = errors.New("type assert error")
)

Functions

This section is empty.

Types

type Config

type Config interface {
	Load() error
	Scan(v interface{}) error
	Value(key string) Value
	Watch(key string, o Observer) error
	Close() error
}

Config is a config interface.

func New

func New(opts ...Option) Config

New new a config with options.

type Decoder

type Decoder func(*KeyValue, map[string]interface{}) error

Decoder is config decoder.

type KeyValue

type KeyValue struct {
	Key    string
	Value  []byte
	Format string
}

KeyValue is config key value.

type Observer

type Observer func(string, Value)

Observer is config observer.

type Option

type Option func(*options)

Option is config option.

func WithDecoder

func WithDecoder(d Decoder) Option

WithDecoder with config decoder. DefaultDecoder behavior: If KeyValue.Format is non-empty, then KeyValue.Value will be deserialized into map[string]interface{} and stored in the config cache(map[string]interface{}) if KeyValue.Format is empty,{KeyValue.Key : KeyValue.Value} will be stored in config cache(map[string]interface{})

func WithLogger

func WithLogger(l log.Logger) Option

WithLogger with config logger.

func WithResolver added in v2.0.1

func WithResolver(r Resolver) Option

WithResolver with config resolver.

func WithSource

func WithSource(s ...Source) Option

WithSource with config source.

type Reader

type Reader interface {
	Merge(...*KeyValue) error
	Value(string) (Value, bool)
	Source() ([]byte, error)
	Resolve() error
}

Reader is config reader.

type Resolver added in v2.0.1

type Resolver func(map[string]interface{}) error

Resolver resolve placeholder in config.

type Source

type Source interface {
	Load() ([]*KeyValue, error)
	Watch() (Watcher, error)
}

Source is config source.

type Value

type Value interface {
	Bool() (bool, error)
	Int() (int64, error)
	Float() (float64, error)
	String() (string, error)
	Duration() (time.Duration, error)
	Scan(interface{}) error
	Load() interface{}
	Store(interface{})
}

Value is config value interface.

type Watcher

type Watcher interface {
	Next() ([]*KeyValue, error)
	Stop() error
}

Watcher watches a source for changes.

Directories

Path Synopsis

Jump to

Keyboard shortcuts

? : This menu
/ : Search site
f or F : Jump to
y or Y : Canonical URL