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json_array.go
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json_array.go
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package main
import (
"encoding/json"
"flag"
"fmt"
"github.com/nitishm/go-rejson/rjs"
"log"
goredis "github.com/go-redis/redis"
"github.com/gomodule/redigo/redis"
"github.com/nitishm/go-rejson"
)
func Example_JSONArray(rh *rejson.Handler) {
ArrIn := []string{"one", "two", "three", "four", "five"}
res, err := rh.JSONSet("arr", ".", ArrIn)
if err != nil {
log.Fatalf("Failed to JSONSet")
return
}
fmt.Println("arr:", res)
res, err = rh.JSONGet("arr", ".")
if err != nil {
log.Fatalf("Failed to JSONGet")
return
}
var ArrOut []string
err = json.Unmarshal(res.([]byte), &ArrOut)
if err != nil {
log.Fatalf("Failed to JSON Unmarshal")
return
}
fmt.Println("arr before pop:", ArrOut)
res, err = rh.JSONArrLen("arr", ".")
if err != nil {
log.Fatalf("Failed to JSONArrLen")
return
}
fmt.Println("Length:", res)
res, err = rh.JSONArrPop("arr", ".", rjs.PopArrLast)
if err != nil {
log.Fatalf("Failed to JSONArrLen")
return
}
var ele string
err = json.Unmarshal(res.([]byte), &ele)
if err != nil {
log.Fatalf("Failed to JSON Unmarshal")
return
}
fmt.Println("Deleted element:", ele)
res, err = rh.JSONGet("arr", ".")
if err != nil {
log.Fatalf("Failed to JSONGet")
return
}
err = json.Unmarshal(res.([]byte), &ArrOut)
if err != nil {
log.Fatalf("Failed to JSON Unmarshal")
return
}
fmt.Println("arr after pop:", ArrOut)
res, err = rh.JSONArrLen("arr", ".")
if err != nil {
log.Fatalf("Failed to JSONArrLen")
return
}
fmt.Println("Length:", res)
res, err = rh.JSONArrIndex("arr", ".", "one")
if err != nil {
log.Fatalf("Failed to JSONArrIndex %v", err)
return
}
fmt.Println("Index of \"one\":", res)
res, err = rh.JSONArrIndex("arr", ".", "three", 3, 10)
if err != nil {
log.Fatalf("Failed to JSONArrIndex %v", err)
return
}
fmt.Println("Out of range:", res)
res, err = rh.JSONArrIndex("arr", ".", "ten")
if err != nil {
log.Fatalf("Failed to JSONArrIndex %v", err)
return
}
fmt.Println("\"ten\" not found:", res)
res, err = rh.JSONArrTrim("arr", ".", 1, 2)
if err != nil {
log.Fatalf("Failed to JSONArrTrim %v", err)
return
}
fmt.Println("no. of elements left:", res)
res, err = rh.JSONGet("arr", ".")
if err != nil {
log.Fatalf("Failed to JSONGet")
return
}
err = json.Unmarshal(res.([]byte), &ArrOut)
if err != nil {
log.Fatalf("Failed to JSON Unmarshal")
return
}
fmt.Println("arr after trimming to [1,2]:", ArrOut)
res, err = rh.JSONArrInsert("arr", ".", 0, "one")
if err != nil {
log.Fatalf("Failed to JSONArrInsert %v", err)
return
}
fmt.Println("no. of elements:", res)
res, err = rh.JSONGet("arr", ".")
if err != nil {
log.Fatalf("Failed to JSONGet")
return
}
err = json.Unmarshal(res.([]byte), &ArrOut)
if err != nil {
log.Fatalf("Failed to JSON Unmarshal")
return
}
fmt.Println("arr after inserting \"one\":", ArrOut)
}
func main() {
var addr = flag.String("Server", "localhost:6379", "Redis server address")
rh := rejson.NewReJSONHandler()
flag.Parse()
// Redigo Client
conn, err := redis.Dial("tcp", *addr)
if err != nil {
log.Fatalf("Failed to connect to redis-server @ %s", *addr)
}
defer func() {
_, err = conn.Do("FLUSHALL")
err = conn.Close()
if err != nil {
log.Fatalf("Failed to communicate to redis-server @ %v", err)
}
}()
rh.SetRedigoClient(conn)
fmt.Println("Executing Example_JSONSET for Redigo Client")
Example_JSONArray(rh)
// GoRedis Client
cli := goredis.NewClient(&goredis.Options{Addr: *addr})
defer func() {
if err := cli.FlushAll().Err(); err != nil {
log.Fatalf("goredis - failed to flush: %v", err)
}
if err := cli.Close(); err != nil {
log.Fatalf("goredis - failed to communicate to redis-server: %v", err)
}
}()
rh.SetGoRedisClient(cli)
fmt.Println("\nExecuting Example_JSONSET for Redigo Client")
Example_JSONArray(rh)
}