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/*
* Copyright 2018 NEC Corporation
*
* 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.
*/
package common
import (
"github.com/go-redis/redis"
"log"
)
// RedisPool is an implementation of Pool by redis.
type RedisPool struct {
Client *redis.Client
}
// Set is to set data in redis.
func (thisPool RedisPool) Set(key string, data string) error {
key = redisLabel + "/" + key
err := thisPool.Client.Set(key, data, 0).Err()
if err != nil {
log.Printf("redis Set error: %s", err)
}
return err
}
// Get is to get data in redis.
func (thisPool RedisPool) Get(key string) (string, error) {
key = redisLabel + "/" + key
value, err := thisPool.Client.Get(key).Result()
if err != nil {
log.Printf("redis Get error: %s", err)
}
return value, err
}
// Del is to delete data in redis.
func (thisPool RedisPool) Del(key string) error {
key = redisLabel + "/" + key
err := thisPool.Client.Del(key).Err()
if err != nil {
log.Printf("redis Del error: %s", err)
}
return err
}
// DelAll is to delete all data, begins with <redisLabel>, in redis.
func (thisPool RedisPool) DelAll() error {
pattern := redisLabel + "/*"
keys, err := thisPool.Client.Keys(pattern).Result()
if err != nil {
log.Printf("redis Keys error :%s", err)
}
for _, v := range keys {
thisPool.Client.Del(v)
}
return err
}
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