func encode(s string) []byte {
switch *enc {
case stringFormat:
return []byte(s)
case floatFormat:
result, err := strconv.ParseFloat(s, 64)
if err != nil {
panic(err)
}
return setop.EncodeFloat64(result)
case intFormat:
result, err := strconv.ParseInt(s, 10, 64)
if err != nil {
panic(err)
}
return setop.EncodeInt64(result)
case bigFormat:
result, ok := new(big.Int).SetString(s, 10)
if !ok {
panic(fmt.Errorf("Bad BigInt format: %v", s))
}
return setop.EncodeBigInt(result)
}
panic(fmt.Errorf("Unknown encoding: %v", *enc))
}
func ExampleTreeMirror() {
server := dhash.NewNodeDir("127.0.0.1:3030", "127.0.0.1:3030", "").MustStart()
defer server.Stop()
conn := client.MustConn("127.0.0.1:3030")
conn.SubAddConfiguration([]byte("myfriends"), "mirrored", "yes")
conn.SubPut([]byte("myfriends"), []byte("alice"), setop.EncodeFloat64(10))
conn.SubPut([]byte("myfriends"), []byte("bob"), setop.EncodeFloat64(5))
conn.SubPut([]byte("myfriends"), []byte("charlie"), setop.EncodeFloat64(6))
conn.SubPut([]byte("myfriends"), []byte("denise"), setop.EncodeFloat64(4))
fmt.Printf("name score\n")
for _, friend := range conn.MirrorReverseSlice([]byte("myfriends"), nil, nil, true, true) {
fmt.Printf("%v %v\n", fmt.Sprint(setop.DecodeFloat64(friend.Key)), string(friend.Value))
}
// Output:
// name score
// 10 <nil> alice
// 6 <nil> charlie
// 5 <nil> bob
// 4 <nil> denise
}
func ExampleSetExpression() {
server := dhash.NewNodeDir("127.0.0.1:2020", "127.0.0.1:2020", "").MustStart()
defer server.Stop()
conn := client.MustConn("127.0.0.1:2020")
conn.SubPut([]byte("myfriends"), []byte("alice"), setop.EncodeFloat64(10))
conn.SubPut([]byte("myfriends"), []byte("bob"), setop.EncodeFloat64(5))
conn.SubPut([]byte("yourfriends"), []byte("bob"), setop.EncodeFloat64(6))
conn.SubPut([]byte("yourfriends"), []byte("charlie"), setop.EncodeFloat64(4))
fmt.Printf("name score\n")
for _, friend := range conn.SetExpression(setop.SetExpression{
Code: "(U:FloatSum myfriends yourfriends)",
}) {
fmt.Printf("%v %v\n", string(friend.Key), fmt.Sprint(setop.DecodeFloat64(friend.Values[0])))
}
// Output:
// name score
// alice 10 <nil>
// bob 11 <nil>
// charlie 4 <nil>
}