com.alibaba.druid.pool.vendor

类 MySqlValidConnectionChecker

java.lang.Object

com.alibaba.druid.pool.ValidConnectionCheckerAdapter

com.alibaba.druid.pool.vendor.MySqlValidConnectionChecker

所有已实现的接口:

ValidConnectionChecker, Serializable

public class MySqlValidConnectionChecker
extends ValidConnectionCheckerAdapter
implements ValidConnectionChecker, Serializable

另请参阅:

序列化表格

字段概要

字段

限定符和类型	字段和说明
private Class<?>	clazz
static String	DEFAULT_VALIDATION_QUERY
static int	DEFAULT_VALIDATION_QUERY_TIMEOUT
private static Log	LOG
private Method	ping
private static long	serialVersionUID
private boolean	usePingMethod

构造器概要

构造器

构造器和说明
MySqlValidConnectionChecker()

方法概要

限定符和类型	方法和说明
void	configFromProperties(Properties properties)
boolean	isUsePingMethod()
boolean	isValidConnection(Connection conn, String validateQuery, int validationQueryTimeout)
void	setUsePingMethod(boolean usePingMethod)

从类继承的方法 java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

字段详细资料

DEFAULT_VALIDATION_QUERY_TIMEOUT

public static final int DEFAULT_VALIDATION_QUERY_TIMEOUT

另请参阅:

常量字段值

DEFAULT_VALIDATION_QUERY

public static final String DEFAULT_VALIDATION_QUERY

另请参阅:

常量字段值

serialVersionUID

private static final long serialVersionUID

另请参阅:

常量字段值

LOG

private static final Log LOG

clazz

private Class<?> clazz

ping

private Method ping

usePingMethod

private boolean usePingMethod

构造器详细资料

MySqlValidConnectionChecker

public MySqlValidConnectionChecker()

方法详细资料

configFromProperties

public void configFromProperties(Properties properties)

指定者:

configFromProperties 在接口中 ValidConnectionChecker

覆盖:

configFromProperties 在类中 ValidConnectionCheckerAdapter

isUsePingMethod

public boolean isUsePingMethod()

setUsePingMethod

public void setUsePingMethod(boolean usePingMethod)

isValidConnection

public boolean isValidConnection(Connection conn,
                                 String validateQuery,
                                 int validationQueryTimeout)
                          throws Exception

指定者:

isValidConnection 在接口中 ValidConnectionChecker

覆盖:

isValidConnection 在类中 ValidConnectionCheckerAdapter

抛出:

Exception