Enable export and import of SDN configuration

resolves #269 (closed)

Related Issue

Motivation and Context

How Has This Been Tested?

Screenshots (if appropriate):

Types of changes

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to change)

Checklist:

• My code follows the code style of this project.
• My change requires a change to the documentation.
• I have updated the documentation accordingly.
• I have read the CONTRIBUTING document.
• I have added tests to cover my changes.
• All new and existing tests passed.

controller/northbound/server/configurationmanagement.go

@@ -6,7 +6,7 @@ import (
 
 	cm "code.fbi.h-da.de/danet/gosdn/api/go/gosdn/configurationmanagement"
 	ne "code.fbi.h-da.de/danet/gosdn/api/go/gosdn/networkelement"
-	"code.fbi.h-da.de/danet/gosdn/controller/interfaces/networkdomain"
+	"code.fbi.h-da.de/danet/gosdn/controller/interfaces/networkelement"
 	log "github.com/sirupsen/logrus"
 	"google.golang.org/grpc/codes"
 	"google.golang.org/grpc/status"
@@ -14,13 +14,12 @@ import (
 
 // ConfigurationManagementServer represents a core server.
 type ConfigurationManagementServer struct {
-	networkDomain networkdomain.NetworkDomain
-	//pndStore networkdomain.PndStore
+	networkElementStore networkelement.Store
 }
 
 // ConfigurationManagementServer receives a pndStore and returns a new coreServer.
-func NewConfigurationManagementServer(networkDomain networkdomain.NetworkDomain) *ConfigurationManagementServer {
-	return &ConfigurationManagementServer{networkDomain: networkDomain}
+func NewConfigurationManagementServer(networkElementStore networkelement.Store) *ConfigurationManagementServer {
+	return &ConfigurationManagementServer{networkElementStore: networkElementStore}
 }
 
 // ExportSDNConfig returns the SDN configuration.