javax.persistence.criteria
Interface Order

public interface Order

An object that defines an ordering over the query results.

Since:

JPA 2.0 version.

Author:

Florent Benoit

See Also:

JPA 2.0 specification

Method Summary

Expression<?>	getExpression() Return the expression that is used for ordering.
boolean	isAscending() Whether ascending ordering is in effect.
Order	reverse() Switch the ordering.

Method Detail

reverse

Order reverse()

Switch the ordering.

Returns:

a new Order instance with the reversed ordering

isAscending

boolean isAscending()

Whether ascending ordering is in effect.

Returns:

boolean indicating whether ordering is ascending

getExpression

Expression<?> getExpression()

Return the expression that is used for ordering.

Returns:

expression used for ordering