com.github.pagehelper.dialect.auto

Class DataSourceNegotiationAutoDialect

java.lang.Object

com.github.pagehelper.dialect.auto.DataSourceNegotiationAutoDialect

All Implemented Interfaces:

AutoDialect<String>

public class DataSourceNegotiationAutoDialect
extends Object
implements AutoDialect<String>

遍历所有实现，找到匹配的实现

Author:

liuzh

Constructor Summary

Constructors

Constructor and Description
DataSourceNegotiationAutoDialect()

Method Summary

Modifier and Type	Method and Description
AbstractHelperDialect	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
static void	registerAutoDialect(DataSourceAutoDialect autoDialect) 允许手工添加额外的实现，实际上没有必要

Methods inherited from class java.lang.Object

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

Constructor Detail

DataSourceNegotiationAutoDialect

public DataSourceNegotiationAutoDialect()

Method Detail

registerAutoDialect

public static void registerAutoDialect(DataSourceAutoDialect autoDialect)

允许手工添加额外的实现，实际上没有必要

Parameters:

autoDialect -

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>

Returns:

extractDialect

public AbstractHelperDialect 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>

Returns: