OrderExpression (JDO API 3.2.1-SNAPSHOT API)

Type Parameters:

T - Java type of the expression being represented here
```
public interface OrderExpression<T>
```
Expression representing the ordering using an expression, a direction, and how to treat nulls.

Nested Class Summary

Nested Classes
Modifier and Type Interface Description

static class OrderExpression.OrderDirection

static class OrderExpression.OrderNullsPosition

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`OrderExpression.OrderDirection`	`getDirection()`	Accessor for the direction of the ordering with this expression.
`Expression<T>`	`getExpression()`	Accessor for the expression being used for ordering.
`OrderExpression.OrderNullsPosition`	`getNullsPosition()`	Accessor for the position of nulls with this expression.
`OrderExpression<T>`	`nullsFirst()`	Method to set nulls to be ordered BEFORE non-nulls.
`OrderExpression<T>`	`nullsLast()`	Method to set nulls to be ordered AFTER non-nulls.

- Method Detail
  - getDirection
```
OrderExpression.OrderDirection getDirection()
```
    Accessor for the direction of the ordering with this expression.
    
    Returns:
    
    The direction
  - nullsFirst
```
OrderExpression<T> nullsFirst()
```
    Method to set nulls to be ordered BEFORE non-nulls.
    
    Returns:
    
    The order expression
  - nullsLast
```
OrderExpression<T> nullsLast()
```
    Method to set nulls to be ordered AFTER non-nulls.
    
    Returns:
    
    The order expression
  - getNullsPosition
```
OrderExpression.OrderNullsPosition getNullsPosition()
```
    Accessor for the position of nulls with this expression.
    
    Returns:
    
    The nulls position (or null if not defined)
  - getExpression
```
Expression<T> getExpression()
```
    Accessor for the expression being used for ordering.
    
    Returns:
    
    Ordering expression