func fetchChampion(cluster *riak.Cluster) {
cmd, err := riak.NewFetchValueCommandBuilder().
WithBucketType("sports").
WithBucket("nba").
WithKey("champion").
Build()
if err != nil {
fmt.Println(err.Error())
return
}
if err := cluster.Execute(cmd); err != nil {
fmt.Println(err.Error())
return
}
fvc := cmd.(*riak.FetchValueCommand)
rsp := fvc.Response
var obj *riak.Object
if len(rsp.Values) > 0 {
obj = rsp.Values[0]
} else {
obj = &riak.Object{
ContentType: "text/plain",
Charset: "utf-8",
ContentEncoding: "utf-8",
Value: nil,
}
}
obj.Value = []byte("Harlem Globetrotters")
cmd, err = riak.NewStoreValueCommandBuilder().
WithBucketType("sports").
WithBucket("nba").
WithContent(obj).
Build()
if err != nil {
fmt.Println(err.Error())
return
}
if err := cluster.Execute(cmd); err != nil {
fmt.Println(err.Error())
return
}
}
func (dao *LogIndexRiakDAO) AppendToLogIndex(userId string, entry ent.IndexEntry) error {
value := riak.Object{}
value.ContentType = "application/json"
value.Charset = "utf-8"
value.ContentEncoding = "utf-8"
index := ent.TimelineIndex{entry}
if responce := dao.fetch(userId); responce != nil && !responce.IsNotFound {
value.VClock = responce.VClock
if err := json.Unmarshal(responce.Values[0].Value, &index); err != nil {
return err
}
}
index = ent.SortEntries(append(index, entry))
encoded, _ := json.Marshal(index)
value.Value = encoded
return dao.store(userId, value)
}