Spring 集成JediisCluster【redis使用】
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说明:Spring +Maven,使用Jedis2.7版本。
1.在项目的pom.xml文件中添加maven依赖
<dependency>
<groupId>redis.clients</groupId>
<artifactId>jedis</artifactId>
<version>2.7.2</version>
<!-- <type>jar</type>
<scope>compile</scope> -->
</dependency>
2.增加spring 配置(最好配置在application-context.xml,如果会用在shiro中的sessionDao时,必须要在加载shiro配置文件前加载此配置信息)
<bean name="genericObjectPoolConfig" class="org.apache.commons.pool2.impl.GenericObjectPoolConfig" >
<property name="maxWaitMillis" value="-1" />
<property name="maxTotal" value="1000" />
<property name="minIdle" value="8" />
<property name="maxIdle" value="100" />
</bean>
<bean id="jedisCluster" class="xxx.JedisClusterFactory">
<property name="addressConfig">
<value>classpath:redis.properties</value> <!-- redis配置文件类 -->
</property>
<property name="addressKeyPrefix" value="address" /> <!-- 属性文件里 key的前缀 -->
<property name="timeout" value="300000" />
<property name="maxRedirections" value="6" />
<property name="genericObjectPoolConfig" ref="genericObjectPoolConfig" />
</bean>
3.增加redis.properties 配置文件
这里配置了6个节点
address1=192.168.1.249:7000
address2=192.168.1.249:7001
address3=192.168.1.249:7002
address4=192.168.1.248:7003
address5=192.168.1.248:7004
address6=192.168.1.248:7005
4.
增加java类:
import java.util.HashSet;
import java.util.Properties;
import java.util.Set;
import java.util.regex.Pattern;
import org.apache.commons.pool2.impl.GenericObjectPoolConfig;
import org.springframework.beans.factory.FactoryBean;
import org.springframework.beans.factory.InitializingBean;
import org.springframework.core.io.Resource;
import redis.clients.jedis.HostAndPort;
import redis.clients.jedis.JedisCluster;
public class JedisClusterFactory implements FactoryBean<JedisCluster>, InitializingBean {
private Resource addressConfig;
private String addressKeyPrefix ;
private JedisCluster jedisCluster;
private Integer timeout;
private Integer maxRedirections;
private GenericObjectPoolConfig genericObjectPoolConfig;
private Pattern p = Pattern.compile("^.+[:]\\d{1,5}\\s*$");
@Override
public JedisCluster getObject() throws Exception {
return jedisCluster;
}
@Override
public Class<? extends JedisCluster> getObjectType() {
return (this.jedisCluster != null ? this.jedisCluster.getClass() : JedisCluster.class);
}
@Override
public boolean isSingleton() {
return true;
}
private Set<HostAndPort> parseHostAndPort() throws Exception {
try {
Properties prop = new Properties();
prop.load(this.addressConfig.getInputStream());
Set<HostAndPort> haps = new HashSet<HostAndPort>();
for (Object key : prop.keySet()) {
if (!((String) key).startsWith(addressKeyPrefix)) {
continue;
}
String val = (String) prop.get(key);
boolean isIpPort = p.matcher(val).matches();
if (!isIpPort) {
throw new IllegalArgumentException("ip 或 port 不合法");
}
String[] ipAndPort = val.split(":");
HostAndPort hap = new HostAndPort(ipAndPort[0], Integer.parseInt(ipAndPort[1]));
haps.add(hap);
}
return haps;
} catch (IllegalArgumentException ex) {
throw ex;
} catch (Exception ex) {
throw new Exception("解析 jedis 配置文件失败", ex);
}
}
@Override
public void afterPropertiesSet() throws Exception {
Set<HostAndPort> haps = this.parseHostAndPort();
jedisCluster = new JedisCluster(haps, timeout, maxRedirections,genericObjectPoolConfig);
}
public void setAddressConfig(Resource addressConfig) {
this.addressConfig = addressConfig;
}
public void setTimeout(int timeout) {
this.timeout = timeout;
}
public void setMaxRedirections(int maxRedirections) {
this.maxRedirections = maxRedirections;
}
public void setAddressKeyPrefix(String addressKeyPrefix) {
this.addressKeyPrefix = addressKeyPrefix;
}
public void setGenericObjectPoolConfig(GenericObjectPoolConfig genericObjectPoolConfig) {
this.genericObjectPoolConfig = genericObjectPoolConfig;
}
}
5.
到此配置完成
使用时,直接注入即可, 如下所示:
@Autowired
JedisCluster jedisCluster;
6.用法示例:
jedisCluster.set("aaa", "aaaaaa_value");
jedisCluster.expire("aaa", 100);
System.out.println(jedisCluster.get("aaa"));
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