org.apache.jdo.impl.jdoql.tree
Class OrderingExpr

java.lang.Object
  extended byantlr.BaseAST
      extended byantlr.CommonAST
          extended byorg.apache.jdo.impl.jdoql.jdoqlc.JDOQLAST
              extended byorg.apache.jdo.impl.jdoql.tree.NodeImpl
                  extended byorg.apache.jdo.impl.jdoql.tree.OrderingExpr
All Implemented Interfaces:
antlr.collections.AST, java.lang.Cloneable, Node, OrderingExpression, java.io.Serializable
Direct Known Subclasses:
AscendingOrderingExpr, DescendingOrderingExpr

public abstract class OrderingExpr
extends NodeImpl
implements OrderingExpression

This node represents an ordering expression. Examples of ordering expressions are AscendingOrderingExpression and DescendingOrderingExpression.

Author:
Michael Watzek
See Also:
Serialized Form

Field Summary
 
Fields inherited from class org.apache.jdo.impl.jdoql.jdoqlc.JDOQLAST
column, line, typeInfo
 
Fields inherited from class antlr.BaseAST
down, right
 
Constructor Summary
OrderingExpr()
          The noarg constructor is needed for ANTLR support and deserialization.
 
Method Summary
 Expression getOrdering()
          Returns the node's ordering expression.
 
Methods inherited from class org.apache.jdo.impl.jdoql.tree.NodeImpl
arrive, clone, getChildren, getJavaClass, getObject, getParent, getTokenType, leave, setObject, setParent, toString, walkNextChild
 
Methods inherited from class org.apache.jdo.impl.jdoql.jdoqlc.JDOQLAST
getColumn, getLine, getTypeInfo, initialize, initialize, initialize, setColumn, setLine, setTypeInfo, treeToString
 
Methods inherited from class antlr.CommonAST
getText, getType, initialize, setText, setType
 
Methods inherited from class antlr.BaseAST
addChild, decode, encode, equals, equalsList, equalsListPartial, equalsTree, equalsTreePartial, findAll, findAllPartial, getFirstChild, getNextSibling, getNumberOfChildren, getTokenNames, removeChildren, setFirstChild, setNextSibling, setVerboseStringConversion, toStringList, toStringTree, xmlSerialize, xmlSerializeNode, xmlSerializeRootClose, xmlSerializeRootOpen
 
Methods inherited from class java.lang.Object
equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait
 
Methods inherited from interface org.apache.jdo.jdoql.tree.Node
arrive, getChildren, getJavaClass, getObject, getParent, getTokenType, leave, setObject, setParent, walkNextChild
 

Constructor Detail

OrderingExpr

public OrderingExpr()
The noarg constructor is needed for ANTLR support and deserialization. The caller must make sure to set the ANTLR tree structure himself or, call setChildren optionally.

Method Detail

getOrdering

public Expression getOrdering()
Returns the node's ordering expression.

Specified by:
getOrdering in interface OrderingExpression
Returns:
the node's expression


Copyright © 2005 Apache Software Foundation. All Rights Reserved.