/
db.go
58 lines (51 loc) · 1.58 KB
/
db.go
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
/*
* Copyright 2019 InfAI (CC SES)
*
* 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 db
import (
"context"
"github.com/SENERGY-Platform/process-deployment/lib/config"
"github.com/SENERGY-Platform/process-deployment/lib/interfaces"
"go.mongodb.org/mongo-driver/mongo"
"go.mongodb.org/mongo-driver/mongo/options"
"runtime/debug"
)
type FactoryType struct{}
var Factory = FactoryType{}
type Mongo struct {
config config.Config
client *mongo.Client
}
var CreateCollections = []func(db *Mongo, config config.Config) error{}
func (f FactoryType) New(ctx context.Context, config config.Config) (result interfaces.Database, err error) {
client, err := mongo.Connect(context.Background(), options.Client().ApplyURI(config.MongoUrl))
if err != nil {
debug.PrintStack()
return nil, err
}
go func() {
<-ctx.Done()
client.Disconnect(context.Background())
}()
db := &Mongo{config: config, client: client}
for _, creators := range CreateCollections {
err = creators(db, config)
if err != nil {
client.Disconnect(context.Background())
return nil, err
}
}
return db, nil
}