AbstractFunction (MyBatis Dynamic SQL 1.1.2 API)

java.lang.Object
- org.mybatis.dynamic.sql.select.function.AbstractFunction<T,U>

All Implemented Interfaces:

BasicColumn, BindableColumn<T>

Direct Known Subclasses:

AbstractMultipleColumnArithmeticFunction, Lower, Substring, Upper
```
public abstract class AbstractFunction<T,U extends AbstractFunction<T,U>>
extends java.lang.Object
implements BindableColumn<T>
```

Field Summary

Fields
Modifier and Type Field Description

protected java.lang.String alias

protected BindableColumn<T> column

Constructor Summary

Constructors
Modifier Constructor Description

protected AbstractFunction(BindableColumn<T> column)

Method Summary

Modifier and Type	Method	Description
`java.util.Optional<java.lang.String>`	`alias()`	Returns the columns alias if one has been specified.
`U`	`as(java.lang.String alias)`	Override the base method definition to make it more specific to this interface.
`protected abstract U`	`copy()`
`java.util.Optional<java.sql.JDBCType>`	`jdbcType()`
`java.util.Optional<java.lang.String>`	`typeHandler()`

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Methods inherited from interface org.mybatis.dynamic.sql.BasicColumn
renderWithTableAlias, renderWithTableAndColumnAlias

- Field Detail
  - column
```
protected BindableColumn<T> column
```
  - alias
```
protected java.lang.String alias
```
- Constructor Detail
  - AbstractFunction
```
protected AbstractFunction(BindableColumn<T> column)
```
- Method Detail
  - alias
```
public java.util.Optional<java.lang.String> alias()
```
    Description copied from interface: BasicColumn
    
    Returns the columns alias if one has been specified.
    
    Specified by:
    
    alias in interface BasicColumn
    
    Returns:
    
    the column alias
  - as
```
public U as(java.lang.String alias)
```
    Description copied from interface: BindableColumn
    
    Override the base method definition to make it more specific to this interface.
    
    Specified by:
    
    as in interface BasicColumn
    
    Specified by:
    
    as in interface BindableColumn<T>
    
    Parameters:
    
    alias - the column alias to set
    
    Returns:
    
    new instance with alias set
  - jdbcType
```
public java.util.Optional<java.sql.JDBCType> jdbcType()
```
    Specified by:
    
    jdbcType in interface BindableColumn<T>
  - typeHandler
```
public java.util.Optional<java.lang.String> typeHandler()
```
    Specified by:
    
    typeHandler in interface BindableColumn<T>
  - copy
```
protected abstract U copy()
```