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57 lines
2.8 KiB
57 lines
2.8 KiB
/*
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* Minio Cloud Storage, (C) 2016 Minio, Inc.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package cmd
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import "io"
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// ObjectLayer implements primitives for object API layer.
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type ObjectLayer interface {
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// Storage operations.
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Shutdown() error
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StorageInfo() StorageInfo
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// Bucket operations.
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MakeBucketWithLocation(bucket string, location string) error
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GetBucketInfo(bucket string) (bucketInfo BucketInfo, err error)
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ListBuckets() (buckets []BucketInfo, err error)
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DeleteBucket(bucket string) error
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ListObjects(bucket, prefix, marker, delimiter string, maxKeys int) (result ListObjectsInfo, err error)
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// Object operations.
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GetObject(bucket, object string, startOffset int64, length int64, writer io.Writer) (err error)
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GetObjectInfo(bucket, object string) (objInfo ObjectInfo, err error)
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PutObject(bucket, object string, size int64, data io.Reader, metadata map[string]string, sha256sum string) (objInfo ObjectInfo, err error)
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CopyObject(srcBucket, srcObject, destBucket, destObject string, metadata map[string]string) (objInfo ObjectInfo, err error)
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DeleteObject(bucket, object string) error
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// Multipart operations.
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ListMultipartUploads(bucket, prefix, keyMarker, uploadIDMarker, delimiter string, maxUploads int) (result ListMultipartsInfo, err error)
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NewMultipartUpload(bucket, object string, metadata map[string]string) (uploadID string, err error)
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CopyObjectPart(srcBucket, srcObject, destBucket, destObject string, uploadID string, partID int, startOffset int64, length int64) (info PartInfo, err error)
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PutObjectPart(bucket, object, uploadID string, partID int, size int64, data io.Reader, md5Hex string, sha256sum string) (info PartInfo, err error)
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ListObjectParts(bucket, object, uploadID string, partNumberMarker int, maxParts int) (result ListPartsInfo, err error)
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AbortMultipartUpload(bucket, object, uploadID string) error
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CompleteMultipartUpload(bucket, object, uploadID string, uploadedParts []completePart) (objInfo ObjectInfo, err error)
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// Healing operations.
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HealBucket(bucket string) error
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ListBucketsHeal() (buckets []BucketInfo, err error)
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HealObject(bucket, object string) (int, int, error)
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ListObjectsHeal(bucket, prefix, marker, delimiter string, maxKeys int) (ListObjectsInfo, error)
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ListUploadsHeal(bucket, prefix, marker, uploadIDMarker,
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delimiter string, maxUploads int) (ListMultipartsInfo, error)
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}
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