org.apache.openjpa.persistence.criteria
Class OrderImpl

java.lang.Object
  org.apache.openjpa.persistence.criteria.OrderImpl

All Implemented Interfaces:

Order, CriteriaExpression

 class OrderImpl
extends Object
implements Order, CriteriaExpression

Ordering clause of a criteria query.

Author:

Pinaki Poddar

Constructor Summary

OrderImpl(Expression<?> e)

OrderImpl(Expression<?> e, boolean asc)

Method Summary

void	acceptVisit(CriteriaExpressionVisitor visitor) Accept visit from the given visitor.
StringBuilder	asProjection(AliasContext q) Get a string representation of this node as a projection term in the context of the given query.
StringBuilder	asValue(AliasContext q) Get a string representation of this node as a value in the context of the given query.
StringBuilder	asVariable(AliasContext q) Get a string representation of this node as a variable in the context of the given query.
ExpressionImpl<?>	getExpression()
boolean	isAscending()
Order	reverse()

Methods inherited from class java.lang.Object

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

Constructor Detail

OrderImpl

public OrderImpl(Expression<?> e,
                 boolean asc)

OrderImpl

public OrderImpl(Expression<?> e)

Method Detail

getExpression

public ExpressionImpl<?> getExpression()

Specified by:

getExpression in interface Order

isAscending

public boolean isAscending()

Specified by:

isAscending in interface Order

reverse

public Order reverse()

Specified by:

reverse in interface Order

acceptVisit

public void acceptVisit(CriteriaExpressionVisitor visitor)

Description copied from interface: CriteriaExpression

Accept visit from the given visitor. The receiver is responsible to propagate the visitor to the constituent sub-nodes if any.

Specified by:

acceptVisit in interface CriteriaExpression

Parameters:

visitor - a processor to walk the nodes of a tree.

asValue

public StringBuilder asValue(AliasContext q)

Description copied from interface: CriteriaExpression

Get a string representation of this node as a value in the context of the given query.

Specified by:

asValue in interface CriteriaExpression

asProjection

public StringBuilder asProjection(AliasContext q)

Description copied from interface: CriteriaExpression

Get a string representation of this node as a projection term in the context of the given query.

Specified by:

asProjection in interface CriteriaExpression

asVariable

public StringBuilder asVariable(AliasContext q)

Description copied from interface: CriteriaExpression

Get a string representation of this node as a variable in the context of the given query.

Specified by:

asVariable in interface CriteriaExpression