First commit

setup/dbaas/testapplication/go/sdl/sdl.go

@@ -0,0 +1,139 @@
+//   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.
+
+//
+//   This source code is part of the near-RT RIC (RAN Intelligent Controller)
+//   platform project (RICP).
+//
+
+package sdl
+
+import (
+	"github.com/go-redis/redis"
+	"os"
+	"reflect"
+)
+
+type SdlInstance struct {
+	nameSpace string
+	nsPrefix  string
+	client    *redis.Client
+}
+
+func Create(nameSpace string) *SdlInstance {
+	hostname := os.Getenv("DBAAS_SERVICE_HOST")
+	if hostname == "" {
+		hostname = "localhost"
+	}
+	port := os.Getenv("DBAAS_SERVICE_PORT")
+	if port == "" {
+		port = "6379"
+	}
+	redisAddress := hostname + ":" + port
+	client := redis.NewClient(&redis.Options{
+		Addr:     redisAddress,
+		Password: "", // no password set
+		DB:       0,  // use default DB
+	})
+
+	s := SdlInstance{
+		nameSpace: nameSpace,
+		nsPrefix:  "{" + nameSpace + "},",
+		client:    client,
+	}
+
+	return &s
+}
+
+func (s *SdlInstance) setNamespaceToKeys(pairs ...interface{}) []interface{} {
+	var retVal []interface{}
+	for i, v := range pairs {
+		if i%2 == 0 {
+			reflectType := reflect.TypeOf(v)
+			switch reflectType.Kind() {
+			case reflect.Slice:
+				x := reflect.ValueOf(v)
+				for i2 := 0; i2 < x.Len(); i2++ {
+					if i2%2 == 0 {
+						retVal = append(retVal, s.nsPrefix+x.Index(i2).Interface().(string))
+					} else {
+						retVal = append(retVal, x.Index(i2).Interface())
+					}
+				}
+			case reflect.Array:
+				x := reflect.ValueOf(v)
+				for i2 := 0; i2 < x.Len(); i2++ {
+					if i2%2 == 0 {
+						retVal = append(retVal, s.nsPrefix+x.Index(i2).Interface().(string))
+					} else {
+						retVal = append(retVal, x.Index(i2).Interface())
+					}
+				}
+			default:
+				retVal = append(retVal, s.nsPrefix+v.(string))
+			}
+		} else {
+			retVal = append(retVal, v)
+		}
+	}
+	return retVal
+}
+
+func (s *SdlInstance) Set(pairs ...interface{}) error {
+	keyAndData := s.setNamespaceToKeys(pairs...)
+	err := s.client.MSet(keyAndData...).Err()
+	return err
+}
+
+func (s *SdlInstance) Get(keys []string) (map[string]interface{}, error) {
+	var keysWithNs []string
+	for _, v := range keys {
+		keysWithNs = append(keysWithNs, s.nsPrefix+v)
+	}
+	val, err := s.client.MGet(keysWithNs...).Result()
+	m := make(map[string]interface{})
+	if err != nil {
+		return m, err
+	}
+	for i, v := range val {
+		m[keys[i]] = v
+	}
+	return m, err
+}
+
+func (s *SdlInstance) SetIf(key string, oldData, newData interface{}) {
+	panic("SetIf not implemented\n")
+}
+
+func (s *SdlInstance) SetIfiNotExists(key string, data interface{}) {
+	panic("SetIfiNotExists not implemented\n")
+}
+
+func (s *SdlInstance) Remove(keys ...string) {
+	panic("Remove not implemented\n")
+}
+
+func (s *SdlInstance) RemoveIf(key string, data interface{}) {
+	panic("RemoveIf not implemented\n")
+}
+
+func (s *SdlInstance) GetAll() []string {
+	panic("GetAll not implemented\n")
+}
+
+func (s *SdlInstance) RemoveAll() {
+	panic("RemoveAll not implemented\n")
+}
+