source

package

v1.3.8 Latest Latest Go to latest Published: Jul 16, 2021 License: Apache-2.0 Imports: 7 Imported by: 0

Details

Package source is the interface for sources

This section is empty.

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var (
	// ErrWatcherStopped is returned when source watcher has been stopped
	ErrWatcherStopped = errors.New("watcher stopped")
)

This section is empty.

type ChangeSet struct {
	Data      []byte
	Checksum  string
	Format    string
	Source    string
	Timestamp time.Time
}

ChangeSet represents a set of changes from a source

func (c *ChangeSet) Sum() string

Sum returns the md5 checksum of the ChangeSet data

type Option func(o *Options)

func WithEncoder(e encoder.Encoder) Option

WithEncoder sets the source encoder

type Options struct {
	// Encoder
	Encoder encoder.Encoder

	// for alternative data
	Context context.Context
}

func NewOptions(opts ...Option) Options

type Source interface {
	Read() (*ChangeSet, error)
	Write(*ChangeSet) error
	Watch() (Watcher, error)
	String() string
}

Source is the source from which config is loaded

type Watcher interface {
	Next() (*ChangeSet, error)
	Stop() error
}

Watcher watches a source for changes

func NewNoopWatcher() (Watcher, error)

NewNoopWatcher returns a watcher that blocks on Next() until Stop() is called.

Path	Synopsis
env
file Package file is a file source.	Package file is a file source.
flag
memory Package memory is a memory source	Package memory is a memory source