minio/pkg/storage/donut/donut.go

46 lines
1.2 KiB
Go

package donut
import "io"
// INTERFACES
// Donut interface
type Donut interface {
CreateBucket(bucket string) error
ListBuckets() ([]string, error)
GetObjectWriter(bucket, object string) (ObjectWriter, error)
GetObject(bucket, object string) (io.ReadCloser, error)
// GetObjectMetadata(bucket, object string) (map[string]string, error)
// GetObjectWriter(bucket, object string) (ObjectWriter, error)
// ListObjects(bucket string) ([]string, error)
}
// Bucket interface
type Bucket interface {
GetNodes() ([]string, error)
}
type Node interface {
GetBuckets() ([]string, error)
GetWriter(bucket, object string) (DonutWriter, error)
GetReader(bucket, object string) (io.ReadCloser, error)
GetMetadata(bucket, object string) (map[string]string, error)
GetDonutMetadata(bucket, object string) (map[string]string, error)
}
// ObjectWriter interface
type ObjectWriter interface {
Write([]byte) (int, error)
Close() error
CloseWithError(error) error
SetMetadata(map[string]string) error
GetMetadata() (map[string]string, error)
}
type DonutWriter interface {
ObjectWriter
GetDonutMetadata() (map[string]string, error)
SetDonutMetadata(map[string]string) error
}