package services

import (
	"sync"

	"github.com/fiskerinc/cloud-services/pkg/dbc"
	"github.com/fiskerinc/cloud-services/pkg/dbc/models"
)

var collection models.DBCCollectionInterface
var collectionOnce sync.Once

// GetDBCCollection returns singleton instance of collection of DBCs
func GetDBCCollection() models.DBCCollectionInterface {
	collectionOnce.Do(func() {
		collection = dbc.NewDBCCollection()
	})
	return collection
}