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index.go
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index.go
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// Copyright 2018-2022 CERN
//
// 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.
//
// In applying this license, CERN does not waive the privileges and immunities
// granted to it by virtue of its status as an Intergovernmental Organization
// or submit itself to any jurisdiction.
package index
import "github.com/cs3org/reva/v2/pkg/storage/utils/indexer/option"
// Index can be implemented to create new indexer-strategies. See Unique for example.
// Each indexer implementation is bound to one data-column (IndexBy) and a data-type (TypeName)
type Index interface {
Init() error
Lookup(v string) ([]string, error)
Add(id, v string) (string, error)
Remove(id string, v string) error
Update(id, oldV, newV string) error
Search(pattern string) ([]string, error)
CaseInsensitive() bool
IndexBy() option.IndexBy
TypeName() string
FilesDir() string
Delete() error // Delete deletes the index folder from its storage.
}