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gasWellWatch
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缓存清理

This commit is contained in:
wangshilong 2024-12-09 12:57:11 +08:00
parent 82b60d235c
commit 344b3c600f
3 changed files with 51 additions and 5 deletions
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47
src/main/java/com/isu/gaswellwatch/modbus/data/CacheService.java Normal file
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@ -0,0 +1,47 @@
package com.isu.gaswellwatch.modbus.data;
import jakarta.annotation.Resource;
import org.apache.commons.lang3.ObjectUtils;
import org.springframework.dao.DataAccessException;
import org.springframework.data.redis.core.RedisOperations;
import org.springframework.data.redis.core.RedisTemplate;
import org.springframework.data.redis.core.SessionCallback;
import org.springframework.stereotype.Service;
import java.util.HashSet;
import java.util.Set;
/**
* @author <a href="mailto:shilong.wang@alpha-ess.com">王仕龙</a>
* 2024/12/9 12:34
*/
@Service
@SuppressWarnings("all")
public class CacheService {
@Resource(name = "stringRedisTemplate")
private RedisTemplate redisTemplate;
public void cleanDeviceCache(Long deviceId) {
this.redisTemplate.executePipelined(new SessionCallback<String>() {
@Override
public String execute(RedisOperations operations) throws DataAccessException {
operations.delete(PersistenceHandler.DEVICE_INFO_CACHE + deviceId);
operations.delete(PersistenceHandler.DEVICE_DATA_CACHE + deviceId);
operations.opsForHash().delete(PersistenceHandler.ONLINE_DEVICE_CACHE, deviceId);
return null;
}
});
}
public void cleanAllDeviceCache() {
Set<String> removeKeys = new HashSet<>();
removeKeys.addAll(this.redisTemplate.keys(PersistenceHandler.DEVICE_INFO_CACHE + "*"));
removeKeys.addAll(this.redisTemplate.keys(PersistenceHandler.DEVICE_DATA_CACHE + "*"));
if (ObjectUtils.isNotEmpty(removeKeys)) {
removeKeys.add(PersistenceHandler.ONLINE_DEVICE_CACHE);
this.redisTemplate.delete(removeKeys);
}
}
}

2
src/main/java/com/isu/gaswellwatch/modbus/data/PersistenceHandler.java
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@ -13,7 +13,7 @@ public interface PersistenceHandler {
String ETC_MODBUS_TYPE = "etc";
String SCSS_MODBUS_TYPE = "scss";
String COMMAND_CACHE = "modbus:command:";
String DEVICE_INFO_CACHE = "info:device:";
String DEVICE_DATA_CACHE = "data:device:";
String ONLINE_DEVICE_CACHE = "data:device:online";

7
src/main/java/com/isu/gaswellwatch/modbus/data/listener/ModbusMessagePersistListener.java
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@ -40,7 +40,6 @@ import java.util.*;
@SuppressWarnings("all")
public class ModbusMessagePersistListener implements BatchMessageListener {
public static final String COMMAND_CACHE = "modbus:command:";
private static final String COMMAND_SQL = "select * from commands where id = ?";
private static final String COMMAND_POINT_SQL = "select * from command_points where command_id = ?";
@ -79,7 +78,7 @@ public class ModbusMessagePersistListener implements BatchMessageListener {
messagePointMap = new HashMap<>();
collectionMessage = messageSplit[5];
commandId = NumberUtils.createLong(messageSplit[2]);
commandString = Objects.toString(this.redisTemplate.opsForValue().get(COMMAND_CACHE + commandId), "");
commandString = Objects.toString(this.redisTemplate.opsForValue().get(PersistenceHandler.COMMAND_CACHE + commandId), "");
commandMap = StringUtils.isNotEmpty(commandString) ? JSONUtil.parseObj(commandString) : null;
if (ObjectUtils.isEmpty(commandMap)) {
commandMap = this.jdbcTemplate.queryForMap(COMMAND_SQL, commandId);
@ -87,7 +86,7 @@ public class ModbusMessagePersistListener implements BatchMessageListener {
log.error("指令[{}]不存在，数据: {}", commandId, messageString);
continue;
}
this.redisTemplate.opsForValue().setIfAbsent(COMMAND_CACHE + commandId, JSONUtil.toJsonStr(commandMap), Duration.ofDays(1));
this.redisTemplate.opsForValue().setIfAbsent(PersistenceHandler.COMMAND_CACHE + commandId, JSONUtil.toJsonStr(commandMap), Duration.ofDays(1));
}
try {
String address;
@ -150,7 +149,7 @@ public class ModbusMessagePersistListener implements BatchMessageListener {
public void decode(ModbusMessage modbusMessage) {
Long commandId = modbusMessage.getCommandId();
String cacheName = ModbusMessagePersistListener.COMMAND_CACHE + commandId + ":points";
String cacheName = PersistenceHandler.COMMAND_CACHE + commandId + ":points";
String cachePoints = Objects.toString(this.redisTemplate.opsForValue().get(cacheName), "");
List<Map<String, Object>> commandPointList = StringUtils.isNotEmpty(cachePoints) ? (List) JSONUtil.parseArray(cachePoints) : null;