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74 lines
3.0 KiB
Java
74 lines
3.0 KiB
Java
package com.ics.system.config;
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import com.alibaba.druid.pool.DruidDataSource;
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import org.springframework.beans.factory.annotation.Value;
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import org.springframework.context.annotation.Configuration;
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/**
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* druid 配置属性
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*
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*/
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@Configuration
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public class DruidProperties {
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@Value("${spring.datasource.druid.initialSize}")
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private int initialSize;
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@Value("${spring.datasource.druid.minIdle}")
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private int minIdle;
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@Value("${spring.datasource.druid.maxActive}")
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private int maxActive;
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@Value("${spring.datasource.druid.maxWait}")
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private int maxWait;
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@Value("${spring.datasource.druid.timeBetweenEvictionRunsMillis}")
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private int timeBetweenEvictionRunsMillis;
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@Value("${spring.datasource.druid.minEvictableIdleTimeMillis}")
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private int minEvictableIdleTimeMillis;
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@Value("${spring.datasource.druid.maxEvictableIdleTimeMillis}")
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private int maxEvictableIdleTimeMillis;
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@Value("${spring.datasource.druid.validationQuery}")
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private String validationQuery;
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@Value("${spring.datasource.druid.testWhileIdle}")
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private boolean testWhileIdle;
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@Value("${spring.datasource.druid.testOnBorrow}")
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private boolean testOnBorrow;
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@Value("${spring.datasource.druid.testOnReturn}")
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private boolean testOnReturn;
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@Value("${spring.datasource.druid.slave.enabled}")
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public Boolean slaveEnable;
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public DruidDataSource dataSource(DruidDataSource datasource) {
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/** 配置初始化大小、最小、最大 */
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datasource.setInitialSize(initialSize);
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datasource.setMaxActive(maxActive);
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datasource.setMinIdle(minIdle);
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/** 配置获取连接等待超时的时间 */
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datasource.setMaxWait(maxWait);
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/** 配置间隔多久才进行一次检测,检测需要关闭的空闲连接,单位是毫秒 */
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datasource.setTimeBetweenEvictionRunsMillis(timeBetweenEvictionRunsMillis);
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/** 配置一个连接在池中最小、最大生存的时间,单位是毫秒 */
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datasource.setMinEvictableIdleTimeMillis(minEvictableIdleTimeMillis);
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datasource.setMaxEvictableIdleTimeMillis(maxEvictableIdleTimeMillis);
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/**
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* 用来检测连接是否有效的sql,要求是一个查询语句,常用select 'x'。如果validationQuery为null,testOnBorrow、testOnReturn、testWhileIdle都不会起作用。
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*/
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datasource.setValidationQuery(validationQuery);
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/** 建议配置为true,不影响性能,并且保证安全性。申请连接的时候检测,如果空闲时间大于timeBetweenEvictionRunsMillis,执行validationQuery检测连接是否有效。 */
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datasource.setTestWhileIdle(testWhileIdle);
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/** 申请连接时执行validationQuery检测连接是否有效,做了这个配置会降低性能。 */
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datasource.setTestOnBorrow(testOnBorrow);
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/** 归还连接时执行validationQuery检测连接是否有效,做了这个配置会降低性能。 */
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datasource.setTestOnReturn(testOnReturn);
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return datasource;
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}
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}
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