Initial integration version of the RIC Subscription Manager

Change-Id: I14763247a45f639931b734fe836b214dd54dcf38
Signed-off-by: kalnagy <kalman.nagy@nokia.com>
diff --git a/pkg/control/registry.go b/pkg/control/registry.go
new file mode 100644
index 0000000..8f52f97
--- /dev/null
+++ b/pkg/control/registry.go
@@ -0,0 +1,33 @@
+/*
+==================================================================================
+  Copyright (c) 2019 AT&T Intellectual Property.
+  Copyright (c) 2019 Nokia
+
+   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 control
+
+type Registry struct {
+  counter int
+}
+
+func (r *Registry) GetSubscriptionId() int {
+  return r.generateId()
+}
+
+func (r *Registry) generateId() int {
+  r.counter += 1
+  return r.counter
+}