org.datanucleus.api.jdo.query

Class OrderExpressionImpl<T>

java.lang.Object

org.datanucleus.api.jdo.query.OrderExpressionImpl<T>

All Implemented Interfaces:

javax.jdo.query.OrderExpression<T>

public class OrderExpressionImpl<T>
extends Object
implements javax.jdo.query.OrderExpression<T>

Implementation of an ordering expression.

Nested Class Summary

Nested classes/interfaces inherited from interface javax.jdo.query.OrderExpression

javax.jdo.query.OrderExpression.OrderDirection, javax.jdo.query.OrderExpression.OrderNullsPosition

Field Summary

Fields

Modifier and Type	Field and Description
protected javax.jdo.query.OrderExpression.OrderDirection	direction The order direction for this expression.
protected javax.jdo.query.OrderExpression.OrderNullsPosition	nullsPosition Positioning of nulls in the ordering.
protected javax.jdo.query.Expression	orderExpr The ordering expression.

Constructor Summary

Constructors

Constructor and Description
OrderExpressionImpl(javax.jdo.query.Expression<T> expr, javax.jdo.query.OrderExpression.OrderDirection dir)

Method Summary

Modifier and Type	Method and Description
javax.jdo.query.OrderExpression.OrderDirection	getDirection()
javax.jdo.query.Expression<T>	getExpression()
javax.jdo.query.OrderExpression.OrderNullsPosition	getNullsPosition()
javax.jdo.query.OrderExpression<T>	nullsFirst()
javax.jdo.query.OrderExpression<T>	nullsLast()

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

orderExpr

protected javax.jdo.query.Expression orderExpr

The ordering expression.

direction

protected javax.jdo.query.OrderExpression.OrderDirection direction

The order direction for this expression.

nullsPosition

protected javax.jdo.query.OrderExpression.OrderNullsPosition nullsPosition

Positioning of nulls in the ordering.

Constructor Detail

OrderExpressionImpl

public OrderExpressionImpl(javax.jdo.query.Expression<T> expr,
                           javax.jdo.query.OrderExpression.OrderDirection dir)

Method Detail

getDirection

public javax.jdo.query.OrderExpression.OrderDirection getDirection()

Specified by:

getDirection in interface javax.jdo.query.OrderExpression<T>

getExpression

public javax.jdo.query.Expression<T> getExpression()

Specified by:

getExpression in interface javax.jdo.query.OrderExpression<T>

getNullsPosition

public javax.jdo.query.OrderExpression.OrderNullsPosition getNullsPosition()

Specified by:

getNullsPosition in interface javax.jdo.query.OrderExpression<T>

nullsFirst

public javax.jdo.query.OrderExpression<T> nullsFirst()

Specified by:

nullsFirst in interface javax.jdo.query.OrderExpression<T>

nullsLast

public javax.jdo.query.OrderExpression<T> nullsLast()

Specified by:

nullsLast in interface javax.jdo.query.OrderExpression<T>