Completely fix tradeCattle folder
This commit is contained in:
xuqiuyun
35
tradeCattle/aiotagro-redis/pom.xml
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35
tradeCattle/aiotagro-redis/pom.xml
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@@ -0,0 +1,35 @@
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<?xml version="1.0" encoding="UTF-8"?>
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<project xmlns="http://maven.apache.org/POM/4.0.0"
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xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
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xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
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<modelVersion>4.0.0</modelVersion>
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<parent>
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<groupId>com.aiotagro</groupId>
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<artifactId>cattletrade</artifactId>
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<version>1.0.1</version>
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</parent>
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<artifactId>aiotagro-redis</artifactId>
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<description>
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aiotagro-common-redis缓存服务
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</description>
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<dependencies>
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<!-- SpringBoot Boot Redis -->
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<dependency>
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<groupId>org.springframework.boot</groupId>
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<artifactId>spring-boot-starter-data-redis</artifactId>
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</dependency>
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<!-- aiotagro Common Core-->
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<dependency>
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<groupId>com.aiotagro</groupId>
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<artifactId>aiotagro-core</artifactId>
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</dependency>
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</dependencies>
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</project>
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@@ -0,0 +1,53 @@
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package com.aiotagro.common.redis.configure;
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import com.aiotagro.common.core.constant.Constants;
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import com.alibaba.fastjson2.JSON;
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import com.alibaba.fastjson2.JSONReader;
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import com.alibaba.fastjson2.JSONWriter;
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import com.alibaba.fastjson2.filter.Filter;
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import org.springframework.data.redis.serializer.RedisSerializer;
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import org.springframework.data.redis.serializer.SerializationException;
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import java.nio.charset.Charset;
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/**
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* Redis使用FastJson序列化
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*
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* @author aiotagro
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*/
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public class FastJson2JsonRedisSerializer<T> implements RedisSerializer<T>
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{
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public static final Charset DEFAULT_CHARSET = Charset.forName("UTF-8");
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static final Filter AUTO_TYPE_FILTER = JSONReader.autoTypeFilter(Constants.JSON_WHITELIST_STR);
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private Class<T> clazz;
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public FastJson2JsonRedisSerializer(Class<T> clazz)
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{
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super();
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this.clazz = clazz;
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}
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@Override
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public byte[] serialize(T t) throws SerializationException
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{
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if (t == null)
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{
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return new byte[0];
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}
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return JSON.toJSONString(t, JSONWriter.Feature.WriteClassName).getBytes(DEFAULT_CHARSET);
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}
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@Override
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public T deserialize(byte[] bytes) throws SerializationException
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{
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if (bytes == null || bytes.length <= 0)
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{
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return null;
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}
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String str = new String(bytes, DEFAULT_CHARSET);
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return JSON.parseObject(str, clazz, AUTO_TYPE_FILTER);
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}
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}
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@@ -0,0 +1,43 @@
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package com.aiotagro.common.redis.configure;
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import org.springframework.boot.autoconfigure.AutoConfigureBefore;
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import org.springframework.boot.autoconfigure.data.redis.RedisAutoConfiguration;
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import org.springframework.cache.annotation.CachingConfigurerSupport;
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import org.springframework.cache.annotation.EnableCaching;
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import org.springframework.context.annotation.Bean;
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import org.springframework.context.annotation.Configuration;
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import org.springframework.data.redis.connection.RedisConnectionFactory;
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import org.springframework.data.redis.core.RedisTemplate;
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import org.springframework.data.redis.serializer.StringRedisSerializer;
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/**
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* redis配置
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*
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* @author aiotagro
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*/
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@Configuration
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@EnableCaching
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@AutoConfigureBefore(RedisAutoConfiguration.class)
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public class RedisConfig extends CachingConfigurerSupport
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{
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@Bean
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@SuppressWarnings(value = { "unchecked", "rawtypes" })
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public RedisTemplate<Object, Object> redisTemplate(RedisConnectionFactory connectionFactory)
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{
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RedisTemplate<Object, Object> template = new RedisTemplate<>();
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template.setConnectionFactory(connectionFactory);
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FastJson2JsonRedisSerializer serializer = new FastJson2JsonRedisSerializer(Object.class);
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// 使用StringRedisSerializer来序列化和反序列化redis的key值
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template.setKeySerializer(new StringRedisSerializer());
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template.setValueSerializer(serializer);
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// Hash的key也采用StringRedisSerializer的序列化方式
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template.setHashKeySerializer(new StringRedisSerializer());
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template.setHashValueSerializer(serializer);
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template.afterPropertiesSet();
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return template;
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}
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}
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@@ -0,0 +1,328 @@
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package com.aiotagro.common.redis.service;
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import org.apache.commons.lang3.StringUtils;
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import org.slf4j.Logger;
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import org.slf4j.LoggerFactory;
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import org.springframework.beans.factory.annotation.Autowired;
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import org.springframework.data.redis.core.BoundSetOperations;
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import org.springframework.data.redis.core.HashOperations;
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import org.springframework.data.redis.core.RedisTemplate;
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import org.springframework.data.redis.core.ValueOperations;
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import org.springframework.data.redis.core.script.DefaultRedisScript;
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import org.springframework.stereotype.Component;
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import java.util.*;
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import java.util.concurrent.TimeUnit;
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/**
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* spring redis 工具类
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*
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* @author aiotagro
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**/
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@SuppressWarnings(value = { "unchecked", "rawtypes" })
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@Component
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public class RedisService
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{
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@Autowired
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public RedisTemplate redisTemplate;
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private static final Logger logger = LoggerFactory.getLogger(RedisService.class);
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public static final String SETNX_SCRIPT = "return redis.call('setnx',KEYS[1], ARGV[1])";
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/**
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* 缓存基本的对象，Integer、String、实体类等
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*
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* @param key 缓存的键值
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* @param value 缓存的值
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*/
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public <T> void setCacheObject(final String key, final T value)
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{
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redisTemplate.opsForValue().set(key, value);
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}
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/**
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* 缓存基本的对象，Integer、String、实体类等
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*
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* @param key 缓存的键值
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* @param value 缓存的值
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* @param timeout 时间
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* @param timeUnit 时间颗粒度
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*/
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public <T> void setCacheObject(final String key, final T value, final Long timeout, final TimeUnit timeUnit) {
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redisTemplate.opsForValue().set(key, value, timeout, timeUnit);
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}
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/**
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* 设置有效时间
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*
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* @param key Redis键
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* @param timeout 超时时间
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* @return true=设置成功；false=设置失败
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*/
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public boolean expire(final String key, final long timeout)
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{
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return expire(key, timeout, TimeUnit.SECONDS);
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}
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/**
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* 设置有效时间
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*
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* @param key Redis键
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* @param timeout 超时时间
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* @param unit 时间单位
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* @return true=设置成功；false=设置失败
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*/
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public boolean expire(final String key, final long timeout, final TimeUnit unit)
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{
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return redisTemplate.expire(key, timeout, unit);
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}
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/**
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* 获取有效时间
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*
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* @param key Redis键
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* @return 有效时间
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*/
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public long getExpire(final String key)
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{
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return redisTemplate.getExpire(key);
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}
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/**
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* 判断 key是否存在
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*
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* @param key 键
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* @return true 存在 false不存在
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*/
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public Boolean hasKey(String key)
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{
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return redisTemplate.hasKey(key);
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}
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/**
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* 获得缓存的基本对象。
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*
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* @param key 缓存键值
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* @return 缓存键值对应的数据
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*/
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public <T> T getCacheObject(final String key)
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{
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ValueOperations<String, T> operation = redisTemplate.opsForValue();
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return operation.get(key);
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}
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/**
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* 删除单个对象
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*
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* @param key
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*/
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public boolean deleteObject(final String key)
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{
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return redisTemplate.delete(key);
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}
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/**
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* 删除集合对象
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*
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* @param collection 多个对象
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* @return
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*/
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public boolean deleteObject(final Collection collection)
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{
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return redisTemplate.delete(collection) > 0;
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}
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/**
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* 缓存List数据
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*
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* @param key 缓存的键值
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* @param dataList 待缓存的List数据
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* @return 缓存的对象
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*/
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public <T> long setCacheList(final String key, final List<T> dataList)
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{
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Long count = redisTemplate.opsForList().rightPushAll(key, dataList);
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return count == null ? 0 : count;
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}
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/**
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* 获得缓存的list对象
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*
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* @param key 缓存的键值
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* @return 缓存键值对应的数据
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*/
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public <T> List<T> getCacheList(final String key)
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{
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return redisTemplate.opsForList().range(key, 0, -1);
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}
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/**
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* 缓存Set
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*
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* @param key 缓存键值
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* @param dataSet 缓存的数据
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* @return 缓存数据的对象
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*/
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public <T> BoundSetOperations<String, T> setCacheSet(final String key, final Set<T> dataSet)
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{
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BoundSetOperations<String, T> setOperation = redisTemplate.boundSetOps(key);
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Iterator<T> it = dataSet.iterator();
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while (it.hasNext())
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{
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setOperation.add(it.next());
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}
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return setOperation;
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}
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/**
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* 获得缓存的set
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*
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* @param key
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* @return
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*/
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public <T> Set<T> getCacheSet(final String key)
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{
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return redisTemplate.opsForSet().members(key);
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}
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/**
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* 缓存Map
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*
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* @param key
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* @param dataMap
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*/
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public <T> void setCacheMap(final String key, final Map<String, T> dataMap)
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{
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if (dataMap != null) {
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redisTemplate.opsForHash().putAll(key, dataMap);
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}
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}
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/**
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* 获得缓存的Map
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*
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* @param key
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* @return
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*/
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public <T> Map<String, T> getCacheMap(final String key)
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{
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return redisTemplate.opsForHash().entries(key);
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}
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/**
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* 往Hash中存入数据
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*
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* @param key Redis键
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* @param hKey Hash键
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* @param value 值
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*/
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public <T> void setCacheMapValue(final String key, final String hKey, final T value)
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{
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redisTemplate.opsForHash().put(key, hKey, value);
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}
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/**
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* 获取Hash中的数据
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*
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* @param key Redis键
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* @param hKey Hash键
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* @return Hash中的对象
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*/
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public <T> T getCacheMapValue(final String key, final String hKey)
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{
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HashOperations<String, String, T> opsForHash = redisTemplate.opsForHash();
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return opsForHash.get(key, hKey);
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}
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/**
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* 获取多个Hash中的数据
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*
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* @param key Redis键
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* @param hKeys Hash键集合
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* @return Hash对象集合
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*/
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public <T> List<T> getMultiCacheMapValue(final String key, final Collection<Object> hKeys)
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{
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return redisTemplate.opsForHash().multiGet(key, hKeys);
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}
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/**
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* 删除Hash中的某条数据
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*
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* @param key Redis键
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* @param hKey Hash键
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* @return 是否成功
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*/
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public boolean deleteCacheMapValue(final String key, final String hKey)
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{
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return redisTemplate.opsForHash().delete(key, hKey) > 0;
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}
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/**
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* 获得缓存的基本对象列表
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*
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* @param pattern 字符串前缀
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* @return 对象列表
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*/
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public Collection<String> keys(final String pattern)
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{
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return redisTemplate.keys(pattern);
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}
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public boolean lock(String lockKey, long lockTime) {
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boolean lockSuccess = false;
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try {
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boolean result =setnx(lockKey, String.valueOf(System.currentTimeMillis() + lockTime));
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if (result) {
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lockSuccess = true;
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} else {
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Object oldTime =getCacheObject(lockKey);
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if (oldTime !=null && StringUtils.isNumeric(String.valueOf(oldTime))) {
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long vlockTime = Long.valueOf(oldTime.toString());
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if (vlockTime < System.currentTimeMillis()) {
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// 可能会存在覆盖问题，前提是key相同，存入的都是时间戳，相差很短
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Object prvOldTime = getCacheObject(lockKey);
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setCacheObject(lockKey, String.valueOf(System.currentTimeMillis() + lockTime));
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if (prvOldTime == null || prvOldTime.toString().equals(oldTime.toString())) {
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// 第一个赋值的
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lockSuccess = true;
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}
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}
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}
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}
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if (lockSuccess) {
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expire(lockKey, (int) (lockTime / 1000));
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}
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} catch (Exception e) {
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logger.error("get lock error", e);
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}
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return lockSuccess;
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}
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public boolean setnx(String key,String value) {
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//自定义脚本
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DefaultRedisScript<List> script = new DefaultRedisScript<>(SETNX_SCRIPT, List.class);
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List<Long> rst = (List<Long>) redisTemplate.execute(script, Collections.singletonList(key), value);
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if(rst.get(0) == 1){
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return true;
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}else{
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return false;
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}
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}
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public Long lpush(String key,Object value) {
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return redisTemplate.opsForList().leftPush(key,value);
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}
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public Object rpop(String key) {
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return redisTemplate.opsForList().rightPop(key);
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}
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public Long len(String key) {
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return redisTemplate.opsForList().size(key);
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}
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}
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@@ -0,0 +1,3 @@
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com\aiotagro\common\redis\configure\FastJson2JsonRedisSerializer.class
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com\aiotagro\common\redis\configure\RedisConfig.class
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com\aiotagro\common\redis\service\RedisService.class
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@@ -0,0 +1,3 @@
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C:\cattleTransport\tradeCattle\aiotagro-redis\src\main\java\com\aiotagro\common\redis\configure\FastJson2JsonRedisSerializer.java
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C:\cattleTransport\tradeCattle\aiotagro-redis\src\main\java\com\aiotagro\common\redis\configure\RedisConfig.java
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C:\cattleTransport\tradeCattle\aiotagro-redis\src\main\java\com\aiotagro\common\redis\service\RedisService.java
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Reference in New Issue
Block a user