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

java.lang.Object
  org.datanucleus.jdo.query.OrderExpressionImpl<T>

All Implemented Interfaces:

OrderExpression<T>

public class OrderExpressionImpl<T>
extends java.lang.Object
implements OrderExpression<T>

Implementation of an ordering expression.

Nested Class Summary

Nested classes/interfaces inherited from interface org.datanucleus.query.typesafe.OrderExpression

OrderExpression.OrderDirection

Field Summary

protected OrderExpression.OrderDirection	direction The order direction for this expression.
protected Expression	orderExpr The ordering expression.

Constructor Summary

OrderExpressionImpl(Expression<T> expr, OrderExpression.OrderDirection dir)

Method Summary

OrderExpression.OrderDirection	getDirection() Accessor for the direction of the ordering with this expression.
Expression<T>	getExpression() Accessor for the expression being used for ordering.

Methods inherited from class java.lang.Object

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

Field Detail

orderExpr

protected Expression orderExpr

The ordering expression.

direction

protected OrderExpression.OrderDirection direction

The order direction for this expression.

Constructor Detail

OrderExpressionImpl

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

Method Detail

getDirection

public OrderExpression.OrderDirection getDirection()

Description copied from interface: OrderExpression

Accessor for the direction of the ordering with this expression.

Specified by:

getDirection in interface OrderExpression<T>

Returns:

The direction

getExpression

public Expression<T> getExpression()

Description copied from interface: OrderExpression

Accessor for the expression being used for ordering.

Specified by:

getExpression in interface OrderExpression<T>

Returns:

Ordering expression