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index.go
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index.go
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// Quicknote stores and searches tens of thousands of short notes.
//
// Copyright (C) 2017 Andrew Miller <amiller@amilx.com>
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program. If not, see <http://www.gnu.org/licenses/>.
package index
import (
"errors"
"strconv"
"github.com/anmil/quicknote/index/bleve"
"github.com/anmil/quicknote/index/elastic"
"github.com/anmil/quicknote/note"
)
// ErrProviderNotSupported index provider given is not supported
var ErrProviderNotSupported = errors.New("Unsupported provider given")
// Index interface for the index providers
type Index interface {
IndexNote(n *note.Note) error
IndexNotes(notes note.Notes) error
SearchNote(query string, limit, offset int) ([]int64, uint64, error)
SearchNotePhrase(query string, bk *note.Book, sort string, limit, offset int) ([]int64, uint64, error)
DeleteNote(n *note.Note) error
DeleteBook(bk *note.Book) error
}
// NewIndex returns a new indexer for the given provider
func NewIndex(provider string, options ...string) (Index, error) {
switch provider {
case "bleve":
shards, err := strconv.Atoi(options[1])
if err != nil {
return nil, err
}
return bleve.NewIndex(options[0], shards)
case "elastic":
return elastic.NewIndex(options[0], options[1])
default:
return nil, ErrProviderNotSupported
}
}