github.com/cayleygraph/cayley@v0.7.7/graph/kv/badger/badger.go (about)

     1  // Copyright 2017 The Cayley Authors. All rights reserved.
     2  //
     3  // Licensed under the Apache License, Version 2.0 (the "License");
     4  // you may not use this file except in compliance with the License.
     5  // You may obtain a copy of the License at
     6  //
     7  //     http://www.apache.org/licenses/LICENSE-2.0
     8  //
     9  // Unless required by applicable law or agreed to in writing, software
    10  // distributed under the License is distributed on an "AS IS" BASIS,
    11  // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    12  // See the License for the specific language governing permissions and
    13  // limitations under the License.
    14  
    15  package badger
    16  
    17  import (
    18  	"os"
    19  
    20  	"github.com/cayleygraph/cayley/graph"
    21  	hkv "github.com/hidal-go/hidalgo/kv"
    22  	"github.com/hidal-go/hidalgo/kv/flat"
    23  	"github.com/hidal-go/hidalgo/kv/flat/badger"
    24  )
    25  
    26  const (
    27  	Type = badger.Name
    28  )
    29  
    30  func Create(path string, m graph.Options) (hkv.KV, error) {
    31  	err := os.MkdirAll(path, 0700)
    32  	if err != nil {
    33  		return nil, err
    34  	}
    35  
    36  	db, err := badger.OpenPath(path)
    37  	if err != nil {
    38  		return nil, err
    39  	}
    40  	return flat.Upgrade(db), nil
    41  }