Package org.aoju.bus.pager.dialect.auto

Class Early

java.lang.Object

org.aoju.bus.pager.dialect.auto.Early

All Implemented Interfaces:

AutoDialect<String>

public class Early
extends Object
implements AutoDialect<String>

早期版本默认实现，获取连接再获取 url，这种方式通用性强，但是性能低，处理不好关闭连接时容易出问题

Since:

Java 17+

Author:

Kimi Liu

Field Summary

Fields

Modifier and Type	Field	Description
static final AutoDialect<String>	DEFAULT

Constructor Summary

Constructors

Constructor	Description
Early()

Method Summary

Modifier and Type	Method	Description
AbstractPaging	extractDialect(String dialectKey, org.apache.ibatis.mapping.MappedStatement ms, DataSource dataSource, Properties properties)	提取 dialect
String	extractDialectKey(org.apache.ibatis.mapping.MappedStatement ms, DataSource dataSource, Properties properties)	获取用于缓存 AutoDialect.extractDialect(K, org.apache.ibatis.mapping.MappedStatement, javax.sql.DataSource, java.util.Properties) 方法返回值的 key，当返回 null 时不缓存，返回值时先判断是否已存在，不存在时调用 AutoDialect.extractDialect(K, org.apache.ibatis.mapping.MappedStatement, javax.sql.DataSource, java.util.Properties) 再缓存

Methods inherited from class java.lang.Object

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

Field Details

DEFAULT

public static final AutoDialect<String> DEFAULT

Constructor Details

Early

public Early()

Method Details

extractDialectKey

public String extractDialectKey(org.apache.ibatis.mapping.MappedStatement ms,
 DataSource dataSource,
 Properties properties)

Description copied from interface: AutoDialect

获取用于缓存 AutoDialect.extractDialect(K, org.apache.ibatis.mapping.MappedStatement, javax.sql.DataSource, java.util.Properties) 方法返回值的 key，当返回 null 时不缓存，返回值时先判断是否已存在，不存在时调用 AutoDialect.extractDialect(K, org.apache.ibatis.mapping.MappedStatement, javax.sql.DataSource, java.util.Properties) 再缓存

Specified by:

extractDialectKey in interface AutoDialect<String>

Parameters:

ms - 执行映射的语句

dataSource - 数据源

properties - 配置属性

Returns:

the object

extractDialect

public AbstractPaging extractDialect(String dialectKey,
 org.apache.ibatis.mapping.MappedStatement ms,
 DataSource dataSource,
 Properties properties)

Description copied from interface: AutoDialect

提取 dialect

Specified by:

extractDialect in interface AutoDialect<String>

Parameters:

dialectKey - 数据方言对象

ms - 执行映射的语句

dataSource - 数据源

properties - 配置属性

Returns:

the object