The Case of Adding Deleting and Cleaning Cache of redis in java

I won't talk too much, let's just look at the code ~

Controller

@ApiOperation(value = " Get information and put it into Redis Medium ")
 @RequestMapping(value = "/getPropertyTakeLookShoppingDetailRedis",method = RequestMethod.POST)
 public JsonResult getPropertyTakeLookShoppingDetailRedis(@RequestBody PropertyTakeLookRedisParam param) throws Exception {
  log.info("PropertyTakeLookController.getPropertyTakeLookShoppingDetailRedis:" + param);
  JSONObject jsonObject = propertyTakeLookWriteService.getPropertyTakeLookShoppingDetailRedis(param);
  log.info("PropertyTakeLookController.getPropertyTakeLookSysInfo:" + jsonObject);
  return JsonResult.getResult(jsonObject);
 }

Service

Add, delete, check, distinguish and read cache = 0; Add = 1; Delete = 2; Clear the corresponding broker list cache = 3 ")

 /**
  *  Get information and put it into Redis Medium  
  * @return
  * @throws Exception
  */
 public JSONObject getPropertyTakeLookShoppingDetailRedis(PropertyTakeLookRedisParam param) throws Exception {
  String takeLookStr = "DKQD";
  checkArgument(StringUtils.isNotBlank(param.getTakeLookUserEmpNo()), " Job number cannot be empty! ");
  checkArgument(param.getSelOrAddOrRemove() != null, " Add, delete and check distinction cannot be blank! ");
  String takeLookUserEmpNo = param.getTakeLookUserEmpNo();
  JSONObject jsonObject;
  if(redisHandle.exists(takeLookUserEmpNo+takeLookStr) && param.getSelOrAddOrRemove() == 0){
   jsonObject = JSONObject.parseObject(redisHandle.get(takeLookUserEmpNo+takeLookStr).toString());
  } else if(param.getSelOrAddOrRemove() == 1 || param.getSelOrAddOrRemove() == 2){
   Long[] effectiveIds = param.getPropertyEffectiveId();
   PropertyTakeLookShoppingCartParam propertyTakeLookShoppingCartParam = new PropertyTakeLookShoppingCartParam();
   BeanUtils.copyProperties(param,propertyTakeLookShoppingCartParam);
   propertyTakeLookShoppingCartParam.setPropertyEffectiveId(effectiveIds);
   // Getting information 
   PageInfo<?> takeLookDetail = propertytakelookService.getPropertyTakeLookShoppingCartDetail(propertyTakeLookShoppingCartParam);
   System.out.print(" Parameter view " + JsonResult.getResult(takeLookDetail).toJson());
   jsonObject = JSONObject.parseObject(JsonResult.getResult(takeLookDetail).toJson());
   Object jsonArray = jsonObject.get("data");
   redisHandle.set(takeLookUserEmpNo+takeLookStr,jsonArray);
  }else if (redisHandle.exists(takeLookUserEmpNo+takeLookStr) && param.getSelOrAddOrRemove() == 3){
   // Physically clear the cache 
   redisHandle.remove(takeLookUserEmpNo+takeLookStr);
   jsonObject = new JSONObject();
   jsonObject.put("code",ErrorCode.SUCCESS.getCode());
   jsonObject.put("msg",ErrorCode.SUCCESS.getMsg());
  }else {
   jsonObject = new JSONObject();
   jsonObject.put("code",ErrorCode.SUCCESS.getCode());
   jsonObject.put("msg",ErrorCode.SUCCESS.getMsg());
  }
  return jsonObject;
 }

Supplement: java Delete redis according to key specified by keyword (support for fuzzy deletion)

pom depends on:

 <dependency>
   <groupId>redis.clients</groupId>
   <artifactId>jedis</artifactId>
   <version>2.5.0</version>
 </dependency>

The code is directly available:

import org.testng.annotations.BeforeClass;
import org.testng.annotations.Test;
import redis.clients.jedis.Jedis;
import java.util.HashMap;
import java.util.Iterator;
import java.util.List;
import java.util.Map;
public class TestRedis {
 private Jedis jedis;
 @BeforeClass
 public void setup() {
  // Connect redis Server, ip
  jedis = new Jedis("ip", 6379);
  // Authority authentication 
  jedis.auth("123456");
 }
 /**
  *  Delete data 
  * 
  *
  * @param key The of the data to delete key
  * @return : Returns boolean Value indicating whether the deletion was successful 
  */
 public boolean delete(String key) {
  if (jedis.exists(key)) {
   if (jedis.del(key) == 1) {
    System.out.println(" Delete data successfully ");
    return true;
   } else {
    System.out.println(" Failed to delete data ");
    return false;
   }
  } else {
   System.out.println(key + " Nonexistent ");
   return false;
  }
 }
 @Test
 public void test() {
  delete("age");
 }
}