micro/store/context.go
Vasiliy Tolstov f6c0728a59 fix context usage across codebase
Signed-off-by: Vasiliy Tolstov <v.tolstov@unistack.org>
2020-12-17 22:52:00 +03:00

35 lines
703 B
Go

package store
import (
"context"
)
type storeKey struct{}
// FromContext get store from context
func FromContext(ctx context.Context) (Store, bool) {
if ctx == nil {
return nil, false
}
c, ok := ctx.Value(storeKey{}).(Store)
return c, ok
}
// NewContext put store in context
func NewContext(ctx context.Context, c Store) context.Context {
if ctx == nil {
ctx = context.Background()
}
return context.WithValue(ctx, storeKey{}, c)
}
// SetOption returns a function to setup a context with given value
func SetOption(k, v interface{}) Option {
return func(o *Options) {
if o.Context == nil {
o.Context = context.Background()
}
o.Context = context.WithValue(o.Context, k, v)
}
}