org.datanucleus.api.jpa.criteria

Class OrderImpl

java.lang.Object

org.datanucleus.api.jpa.criteria.OrderImpl

All Implemented Interfaces:

javax.persistence.criteria.Order

public class OrderImpl
extends Object
implements javax.persistence.criteria.Order

Implementation of JPA Criteria "Order".

Constructor Summary

Constructors

Constructor and Description
OrderImpl(javax.persistence.criteria.Expression<?> expr, boolean asc) Constructor for an Order.

Method Summary

Modifier and Type	Method and Description
javax.persistence.criteria.Expression<?>	getExpression()
org.datanucleus.query.expression.OrderExpression	getQueryExpression() Method to return the underlying DataNucleus query expression that this equates to.
boolean	isAscending()
javax.persistence.criteria.Order	nullsFirst()
javax.persistence.criteria.Order	nullsLast()
javax.persistence.criteria.Order	reverse()
String	toString() Method to return the JPQL single-string that this equates to.

Methods inherited from class java.lang.Object

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

Constructor Detail

OrderImpl

public OrderImpl(javax.persistence.criteria.Expression<?> expr,
                 boolean asc)

Constructor for an Order.

Parameters:

expr - The expression

asc - Whether it is ascending

Method Detail

getExpression

public javax.persistence.criteria.Expression<?> getExpression()

Specified by:

getExpression in interface javax.persistence.criteria.Order

isAscending

public boolean isAscending()

Specified by:

isAscending in interface javax.persistence.criteria.Order

reverse

public javax.persistence.criteria.Order reverse()

Specified by:

reverse in interface javax.persistence.criteria.Order

nullsFirst

public javax.persistence.criteria.Order nullsFirst()

Specified by:

nullsFirst in interface javax.persistence.criteria.Order

nullsLast

public javax.persistence.criteria.Order nullsLast()

Specified by:

nullsLast in interface javax.persistence.criteria.Order

getQueryExpression

public org.datanucleus.query.expression.OrderExpression getQueryExpression()

Method to return the underlying DataNucleus query expression that this equates to.

Returns:

The order Expression

toString

public String toString()

Method to return the JPQL single-string that this equates to.

Overrides:

toString in class Object

Returns:

The JPQL single-string form of this order