64 lines
1.3 KiB
Go
64 lines
1.3 KiB
Go
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// package loader manages loading from multiple sources
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package loader
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import (
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"context"
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"github.com/micro/go-micro/config/reader"
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"github.com/micro/go-micro/config/source"
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)
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// Loader manages loading sources
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type Loader interface {
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// Stop the loader
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Close() error
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// Load the sources
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Load(...source.Source) error
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// A Snapshot of loaded config
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Snapshot() (*Snapshot, error)
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// Force sync of sources
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Sync() error
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// Watch for changes
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Watch(...string) (Watcher, error)
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// Name of loader
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String() string
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}
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// Watcher lets you watch sources and returns a merged ChangeSet
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type Watcher interface {
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// First call to next may return the current Snapshot
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// If you are watching a path then only the data from
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// that path is returned.
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Next() (*Snapshot, error)
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// Stop watching for changes
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Stop() error
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}
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// Snapshot is a merged ChangeSet
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type Snapshot struct {
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// The merged ChangeSet
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ChangeSet *source.ChangeSet
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// Deterministic and comparable version of the snapshot
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Version string
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}
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type Options struct {
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Reader reader.Reader
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Source []source.Source
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// for alternative data
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Context context.Context
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}
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type Option func(o *Options)
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// Copy snapshot
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func Copy(s *Snapshot) *Snapshot {
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cs := *(s.ChangeSet)
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return &Snapshot{
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ChangeSet: &cs,
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Version: s.Version,
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}
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}
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