minio/cmd/object-interface.go

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/*
* Minio Cloud Storage, (C) 2016 Minio, Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package cmd
import "io"
// ObjectLayer implements primitives for object API layer.
type ObjectLayer interface {
// Storage operations.
Shutdown() error
StorageInfo() StorageInfo
// Bucket operations.
MakeBucket(bucket string) error
GetBucketInfo(bucket string) (bucketInfo BucketInfo, err error)
ListBuckets() (buckets []BucketInfo, err error)
DeleteBucket(bucket string) error
ListObjects(bucket, prefix, marker, delimiter string, maxKeys int) (result ListObjectsInfo, err error)
ListObjectsHeal(bucket, prefix, marker, delimiter string, maxKeys int) (ListObjectsInfo, error)
// Object operations.
GetObject(bucket, object string, startOffset int64, length int64, writer io.Writer) (err error)
GetObjectInfo(bucket, object string) (objInfo ObjectInfo, err error)
PutObject(bucket, object string, size int64, data io.Reader, metadata map[string]string) (md5 string, err error)
DeleteObject(bucket, object string) error
HealObject(bucket, object string) error
// Multipart operations.
ListMultipartUploads(bucket, prefix, keyMarker, uploadIDMarker, delimiter string, maxUploads int) (result ListMultipartsInfo, err error)
NewMultipartUpload(bucket, object string, metadata map[string]string) (uploadID string, err error)
PutObjectPart(bucket, object, uploadID string, partID int, size int64, data io.Reader, md5Hex string) (md5 string, err error)
ListObjectParts(bucket, object, uploadID string, partNumberMarker int, maxParts int) (result ListPartsInfo, err error)
AbortMultipartUpload(bucket, object, uploadID string) error
CompleteMultipartUpload(bucket, object, uploadID string, uploadedParts []completePart) (md5 string, err error)
}