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Java Enterprise Edition (EE)

Order


javax.persistence.criteria
Interface Order

public interface Order

An object that defines an ordering over the query results.

Since:
Java Persistence 2.0

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


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