Mybatis的工厂模式的使用

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目录

概述

查看mybatis的源码使用的工厂模式:
1.mybatis底层使用的是用来生产数据源的工厂DataSource这个是JDK自带的数据源，
public interface DataSourceFactory{
void setProperties(Properties var1);
DataSource getDataSource();

}

具体产品类 A
public class UnpooledDataSource implements DataSource { }
生产这个产品类A的具体工厂

public class UnpooledDataSourceFactory implements DataSourceFactory {
protected DataSource dataSource = new UnpooledDataSource();
public DataSource getDataSource() {
return this.dataSource;
}
}

分析：

实际产品B：

public class UnpooldData implements DataSourec{
}

生产这个产品的类的具体工厂：
poblic class UnpooledDataSourceFactory impements DataSourceFactotyr{

protect DataSource dataSource=new UnpooledDataSource();
public DataSoure getDataSource(){
reurn thisdataSource;
}
}

实际产品B:
public class PooledDataSouce implements DataSource{}{
}

生产B的工厂:
public class PooledDataSourceFactory extends UnpooledDataSourceFactory{
public PooledDataSourceFactoty(){
this.dataSource=new PooledDataSource();
}
}

小结：

参考资料和推荐阅读

1.链接: 参考资料.