org.apache.jdo.impl.jdoql.tree

Class OrderingExpr

java.lang.Object

antlr.BaseAST

antlr.CommonAST

org.apache.jdo.impl.jdoql.jdoqlc.JDOQLAST

org.apache.jdo.impl.jdoql.tree.NodeImpl

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

All Implemented Interfaces:

antlr.collections.AST, java.io.Serializable, java.lang.Cloneable, Node, OrderingExpression

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

Constructors

Constructor and Description
OrderingExpr() The noarg constructor is needed for ANTLR support and deserialization.

Method Summary

Methods

Modifier and Type	Method and Description
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