《手撸Mybatis》- 类图

依赖

PooledConnection

- dataSource  ： PooledDataSource

创建

XMLConfigBuilder

+ parse() : Configuration

实现

关联

UnpooledDataSourceFactory

Environment

- id : String- transactionFactory : TransactionFactory- dataSource : DataSource

UnpooledDataSource

Connection

TypeAliasRegistry

DataSourceFactory

+ setProperties(Properties props)+ DataSource getDataSource()

SqlSessionFactoryBuilder

+ build(Reader reader) : SqlSessionFactory+ build(Configuration config) : SqlSessionFactory

TransactionFactory

DataSource

+ getConnection()  ： Connection

DefaultSqlSessionFactory

- config : Configuration

+ openSession : SqlSession

MapperProxyFactory<T>

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 + newInstance(SqlSession sqlSession)  : T

PooledDataSource

SqlSession

MapperRegistry

InvocationHandler

public Configuration() {        typeAliasRegistry.registerAlias(\"JDBC\

SqlSessionFactory

+ openSession : SqlSession

MapperMethod

- command : SqlCommand

PooledDataSourceFactory

Configuration

+ addMappers(Class<T> type) : void+ addMappedStatement(MappedStatement ms) : void

DefaultSqlSession

+ selectOne(String statement) : T+ getMapper(Class<T> type) : T+ getConfiguration ： Configuration

MapperProxy<T>