/*
 * Mini Object Storage, (C) 2014 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 storage

import (
	"io"
)

type Storage interface {
	// Bucket Operations
	StoreBucket(bucket string) error
	ListBuckets(prefix string) []BucketMetadata

	// Object Operations
	GetObjectMetadata(bucket string, object string) ObjectMetadata
	CopyObjectToWriter(w io.Writer, bucket string, object string) (int64, error)
	StoreObject(bucket string, key string, data io.Reader) error
	ListObjects(bucket, prefix string, count int) []ObjectMetadata
}

type BucketMetadata struct {
	Name    string
	Created int64
}

type ObjectMetadata struct {
	Key        string
	SecCreated int64
	Size       int
	ETag       string
}