modelRT/diagram/redis_client.go

37 lines
872 B
Go

// Package diagram provide diagram data structure and operation
package diagram
import (
"context"
"github.com/redis/go-redis/v9"
)
// RedisClient define struct to accessing redis data that does not require the use of distributed locks
type RedisClient struct {
Client *redis.Client
}
// NewRedisClient define func of new redis client instance
func NewRedisClient() *RedisClient {
return &RedisClient{
Client: GetRedisClientInstance(),
}
}
// QueryByZRangeByLex define func to query real time data from redis zset
func (rc *RedisClient) QueryByZRangeByLex(ctx context.Context, key string, size int64) ([]redis.Z, error) {
client := rc.Client
args := redis.ZRangeArgs{
Key: key,
Start: 0,
Stop: size,
ByScore: false,
ByLex: false,
Rev: false,
Offset: 0,
Count: 0,
}
return client.ZRangeArgsWithScores(ctx, args).Result()
}