net.esper.eql.spec
Class OrderByItem

java.lang.Object
  extended by net.esper.eql.spec.OrderByItem
All Implemented Interfaces:
Serializable, MetaDefItem

public class OrderByItem
extends Object
implements MetaDefItem

Specification object to an element in the order-by expression.

See Also:
Serialized Form

Constructor Summary
OrderByItem(ExprNode exprNode, boolean ascending)
          Ctor.
 
Method Summary
 ExprNode getExprNode()
          Returns the order-by expression node.
 boolean isDescending()
          Returns true for ascending, false for descending.
 
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
 

Constructor Detail

OrderByItem

public OrderByItem(ExprNode exprNode,
                   boolean ascending)
Ctor.

Parameters:
exprNode - is the order-by expression node
ascending - is true for ascending, or false for descending sort
Method Detail

getExprNode

public ExprNode getExprNode()
Returns the order-by expression node.

Returns:
expression node.

isDescending

public boolean isDescending()
Returns true for ascending, false for descending.

Returns:
indicator if ascending or descending

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