com.bigdata.rdf.sparql.ast
Class OrderByExpr

java.lang.Object
  com.bigdata.bop.CoreBaseBOp
      com.bigdata.bop.ModifiableBOpBase
          com.bigdata.rdf.sparql.ast.ASTBase
              com.bigdata.rdf.sparql.ast.OrderByExpr

All Implemented Interfaces:

BOp, IValueExpressionNodeContainer, IPropertySet, Serializable, Cloneable

public class OrderByExpr
extends ASTBase
implements IValueExpressionNodeContainer

An IValueExpressionNode paired with a flag to indicating an ascending or descending sort order.

Version:

$Id$

Author:

Bryan Thompson

See Also:

Serialized Form

Field Summary

Fields inherited from class com.bigdata.bop.CoreBaseBOp

DEFAULT_INITIAL_CAPACITY

Fields inherited from interface com.bigdata.bop.BOp

NOANNS, NOARGS

Constructor Summary

OrderByExpr(BOp[] args, Map<String,Object> annotations)
Required shallow copy constructor.

OrderByExpr(IValueExpressionNode ve, boolean ascending)

OrderByExpr(OrderByExpr op)
Required deep copy constructor.

Method Summary

IValueExpression<? extends IV>	getValueExpression()
IValueExpressionNode	getValueExpressionNode() Return the value expression node.
boolean	isAscending()
void	setAscending(boolean ascending)

Methods inherited from class com.bigdata.rdf.sparql.ast.ASTBase

getQueryHint, getQueryHint, getQueryHintAsBoolean, getQueryHintAsBoolean, getQueryHints, replaceAllWith, setQueryHint, setQueryHints

Methods inherited from class com.bigdata.bop.ModifiableBOpBase

addArg, addArg, addArgIfAbsent, annotations, annotationsEqual, argIterator, args, arity, clearProperty, copyAll, get, getProperty, mutation, removeArg, replaceWith, setArg, setArgs, setId, setProperty, setUnboundProperty, toArray, toArray

Methods inherited from class com.bigdata.bop.CoreBaseBOp

annotationsEqual, annotationsToString, checkArgs, clone, equals, getEvaluationContext, getId, getProperty, getRequiredProperty, hashCode, indent, isController, toShortString, toString

Methods inherited from class java.lang.Object

finalize, getClass, notify, notifyAll, wait, wait, wait

Constructor Detail

OrderByExpr

public OrderByExpr(OrderByExpr op)

Required deep copy constructor.

OrderByExpr

public OrderByExpr(BOp[] args,
                   Map<String,Object> annotations)

Required shallow copy constructor.

OrderByExpr

public OrderByExpr(IValueExpressionNode ve,
                   boolean ascending)

Method Detail

isAscending

public final boolean isAscending()

setAscending

public final void setAscending(boolean ascending)

getValueExpressionNode

public IValueExpressionNode getValueExpressionNode()

Description copied from interface: IValueExpressionNodeContainer

Return the value expression node.

Specified by:

getValueExpressionNode in interface IValueExpressionNodeContainer

getValueExpression

public IValueExpression<? extends IV> getValueExpression()