minio/cmd/object-api-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"
"github.com/minio/minio/pkg/hash"
)
// ObjectLayer implements primitives for object API layer.
type ObjectLayer interface {
// Storage operations.
Shutdown() error
StorageInfo() StorageInfo
// Bucket operations.
MakeBucketWithLocation(bucket string, location 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)
// 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, data *hash.Reader, metadata map[string]string) (objInfo ObjectInfo, err error)
CopyObject(srcBucket, srcObject, destBucket, destObject string, metadata map[string]string) (objInfo ObjectInfo, err error)
DeleteObject(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)
CopyObjectPart(srcBucket, srcObject, destBucket, destObject string, uploadID string, partID int, startOffset int64, length int64) (info PartInfo, err error)
PutObjectPart(bucket, object, uploadID string, partID int, data *hash.Reader) (info PartInfo, 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) (objInfo ObjectInfo, err error)
// Healing operations.
HealBucket(bucket string) error
ListBucketsHeal() (buckets []BucketInfo, err error)
HealObject(bucket, object string) (int, int, error)
ListObjectsHeal(bucket, prefix, marker, delimiter string, maxKeys int) (ListObjectsInfo, error)
ListUploadsHeal(bucket, prefix, marker, uploadIDMarker,
delimiter string, maxUploads int) (ListMultipartsInfo, error)
}