cn.flood.log.config.DruidDbProperties Maven / Gradle / Ivy
The newest version!
package cn.flood.log.config;
import lombok.Data;
import org.springframework.boot.context.properties.ConfigurationProperties;
/**
*
* Title: DruidDbProperties
* Description:
* @author mmdai
* @date 2020年8月21日
*/
@Data
@ConfigurationProperties(prefix = "spring.audit-log.datasource.druid")
public class DruidDbProperties {
/**
* 初始化时建立物理连接的个数。初始化发生在显示调用init方法，或者第一次getConnection时
*/
private int initialSize = 10;
/**
* 最小连接池数量
*/
private int minIdle = 20;
/**
* 最大连接池数量
*/
private int maxActive = 50;
/**
* 获取连接时最大等待时间，单位毫秒。配置了maxWait之后，缺省启用公平锁，并发效率会有所下降，如果需要可以通过配置useUnfairLock属性为true使用非公平锁。
*/
private int maxWait = 30000;
/**
* 有两个含义： 1)
* Destroy线程会检测连接的间隔时间，如果连接空闲时间大于等于minEvictableIdleTimeMillis则关闭物理连接。 2)
* testWhileIdle的判断依据，详细看testWhileIdle属性的说明
*/
private int timeBetweenEvictionRunsMillis = 60000;
/**
* 连接保持空闲而不被驱逐的最长时间
*/
private int minEvictableIdleTimeMillis = 300000;
/**
* 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都不会其作用。
*/
private String validationQuery = "SELECT 1";
/**
* 单位：秒，检测连接是否有效的超时时间。底层调用jdbc Statement对象的void setQueryTimeout(int seconds)方法
*/
private int validationQueryTimeout = 5;
/**
* 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。
*/
private boolean testWhileIdle = true;
/**
* 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。
*/
private boolean testOnBorrow = false;
/**
* 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。
*/
private boolean testOnReturn = false;
/**
* 当程序存在缺陷时，申请的连接忘记关闭，这时候，就存在连接泄漏了。Druid提供了RemoveAbandanded相关配置，用来关闭长时间不使用的连接。
* 注：配置removeAbandoned对性能会有一些影响，建议怀疑存在泄漏之后再打开。在上面的配置中，如果连接超过30分钟未关闭，就会被强行回收，并且日志记录连接申请时的调用堆栈
*/
private boolean removeAbandoned = true;
/**
* 连接超时多长时间关闭，单位秒
*/
private int removeAbandonedTimeout = 90;
/**
* 默认值为false。是否缓存preparedStatement，也就是PSCache。PSCache对支持游标的数据库性能提升巨大，比如说oracle。在mysql下建议关闭
*/
private boolean poolPreparedStatements = false;
/**
* 默认值-1。要启用PSCache，必须配置大于0，当大于0时，poolPreparedStatements自动触发修改为true。
* 在Druid中，不会存在Oracle下PSCache占用内存过多的问题，可以把这个数值配置大一些，比如说100
*/
private int maxPoolPreparedStatementPerConnectionSize = 20;
/**
* 属性类型是字符串，通过别名的方式配置扩展插件，常用的插件有： 监控统计用的filter:stat 日志用的filter:log4j
* 防御sql注入的filter:wall
*/
private String filters = "mergeStat,config,wall";
/**
* 通过connectProperties属性来打开mergeSql功能；慢SQL记录
*/
private String connectionProperties = "druid.stat.mergeSql=true;druid.stat.slowSqlMillis=5000";
/**
* 合并多个DruidDataSource的监控数据
*/
private boolean useGlobalDataSourceStat = true;
/**
* 白名单
*/
private String allow = "";
/**
* 黑名单
*/
private String deny ="";
public int getInitialSize() {
return initialSize;
}
public void setInitialSize(int initialSize) {
this.initialSize = initialSize;
}
public int getMinIdle() {
return minIdle;
}
public void setMinIdle(int minIdle) {
this.minIdle = minIdle;
}
public int getMaxActive() {
return maxActive;
}
public void setMaxActive(int maxActive) {
this.maxActive = maxActive;
}
public int getMaxWait() {
return maxWait;
}
public void setMaxWait(int maxWait) {
this.maxWait = maxWait;
}
public int getTimeBetweenEvictionRunsMillis() {
return timeBetweenEvictionRunsMillis;
}
public void setTimeBetweenEvictionRunsMillis(int timeBetweenEvictionRunsMillis) {
this.timeBetweenEvictionRunsMillis = timeBetweenEvictionRunsMillis;
}
public int getMinEvictableIdleTimeMillis() {
return minEvictableIdleTimeMillis;
}
public void setMinEvictableIdleTimeMillis(int minEvictableIdleTimeMillis) {
this.minEvictableIdleTimeMillis = minEvictableIdleTimeMillis;
}
public String getValidationQuery() {
return validationQuery;
}
public void setValidationQuery(String validationQuery) {
this.validationQuery = validationQuery;
}
public boolean isTestWhileIdle() {
return testWhileIdle;
}
public void setTestWhileIdle(boolean testWhileIdle) {
this.testWhileIdle = testWhileIdle;
}
public boolean isTestOnBorrow() {
return testOnBorrow;
}
public void setTestOnBorrow(boolean testOnBorrow) {
this.testOnBorrow = testOnBorrow;
}
public boolean isTestOnReturn() {
return testOnReturn;
}
public void setTestOnReturn(boolean testOnReturn) {
this.testOnReturn = testOnReturn;
}
public String getFilters() {
return filters;
}
public void setFilters(String filters) {
this.filters = filters;
}
public String getConnectionProperties() {
return connectionProperties;
}
public void setConnectionProperties(String connectionProperties) {
this.connectionProperties = connectionProperties;
}
public String getAllow() {
return allow;
}
public void setAllow(String allow) {
this.allow = allow;
}
public String getDeny() {
return deny;
}
public void setDeny(String deny) {
this.deny = deny;
}
public int getValidationQueryTimeout() {
return validationQueryTimeout;
}
public void setValidationQueryTimeout(int validationQueryTimeout) {
this.validationQueryTimeout = validationQueryTimeout;
}
public boolean isRemoveAbandoned() {
return removeAbandoned;
}
public void setRemoveAbandoned(boolean removeAbandoned) {
this.removeAbandoned = removeAbandoned;
}
public int getRemoveAbandonedTimeout() {
return removeAbandonedTimeout;
}
public void setRemoveAbandonedTimeout(int removeAbandonedTimeout) {
this.removeAbandonedTimeout = removeAbandonedTimeout;
}
public boolean isPoolPreparedStatements() {
return poolPreparedStatements;
}
public void setPoolPreparedStatements(boolean poolPreparedStatements) {
this.poolPreparedStatements = poolPreparedStatements;
}
public int getMaxPoolPreparedStatementPerConnectionSize() {
return maxPoolPreparedStatementPerConnectionSize;
}
public void setMaxPoolPreparedStatementPerConnectionSize(int maxPoolPreparedStatementPerConnectionSize) {
this.maxPoolPreparedStatementPerConnectionSize = maxPoolPreparedStatementPerConnectionSize;
}
public boolean isUseGlobalDataSourceStat() {
return useGlobalDataSourceStat;
}
public void setUseGlobalDataSourceStat(boolean useGlobalDataSourceStat) {
this.useGlobalDataSourceStat = useGlobalDataSourceStat;
}
}