Join

```
public class Join<T>
extends java.lang.Object
```
Created by loy on 2018/11/19. 数据库join语句例如：已有语句: SELECT u.id, u.name, u.age FROM fine_user u; Join: type=LEFT,dataSource=TableData(fine_department),onRestriction='ON u.id=d.userId',tableTag='d' 最终表示的语句为： SELECT u.id, u.name, u.age FROM fine_user u LEFT JOIN fine_department d ON u.id=d.userId

构造器
构造器和说明
`Join()`

方法
限定符和类型	方法和说明
`T`	`getDataSource()`
`Restriction`	`getOnRestriction()`
`java.lang.String`	`getTableTag()`
`JoinType`	`getType()`
`void`	`setDataSource(T dataSource)`
`void`	`setOnRestriction(Restriction onRestriction)`
`void`	`setTableTag(java.lang.String tableTag)`
`void`	`setType(JoinType type)`

从类继承的方法 java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

public void setDataSource(T dataSource)

public void setOnRestriction(Restriction onRestriction)

public void setTableTag(java.lang.String tableTag)

类 Join<T>