45 lines
1.5 KiB
Go
45 lines
1.5 KiB
Go
package snapshot
|
|
|
|
import "github.com/pkg/errors"
|
|
|
|
var (
|
|
// ErrSnapshotNotExist is returned when a snapshot cannot be found
|
|
ErrSnapshotNotExist = errors.New("snapshot does not exist")
|
|
|
|
// ErrSnapshotExist is returned when an operation to create a snapshot
|
|
// encounters a snapshot with the same key
|
|
ErrSnapshotExist = errors.New("snapshot already exists")
|
|
|
|
// ErrSnapshotNotActive is returned when a request which requires an
|
|
// active snapshot encounters a non-active snapshot.
|
|
ErrSnapshotNotActive = errors.New("snapshot is not active")
|
|
|
|
// ErrSnapshotNotCommitted is returned when a request which requires a
|
|
// committed snapshot encounters a non-committed snapshot.
|
|
ErrSnapshotNotCommitted = errors.New("snapshot is not committed")
|
|
)
|
|
|
|
// IsNotExist returns whether the error represents that a snapshot
|
|
// was not found.
|
|
func IsNotExist(err error) bool {
|
|
return errors.Cause(err) == ErrSnapshotNotExist
|
|
}
|
|
|
|
// IsExist returns whether the error represents whether a snapshot
|
|
// already exists using a provided key.
|
|
func IsExist(err error) bool {
|
|
return errors.Cause(err) == ErrSnapshotExist
|
|
}
|
|
|
|
// IsNotActive returns whether the error represents a request
|
|
// for a non active snapshot when an active snapshot is expected.
|
|
func IsNotActive(err error) bool {
|
|
return errors.Cause(err) == ErrSnapshotNotActive
|
|
}
|
|
|
|
// IsNotCommitted returns whether the error represents a request
|
|
// for a non committed snapshot when a committed snapshot is expected.
|
|
func IsNotCommitted(err error) bool {
|
|
return errors.Cause(err) == ErrSnapshotNotCommitted
|
|
}
|