org.tranql.ql
Class Assignment

java.lang.Object
  org.tranql.ql.AbstractNode
      org.tranql.ql.Assignment

All Implemented Interfaces:

java.io.Serializable, Node

public class Assignment
extends AbstractNode

This node represents an assignment in an update statement. This node expects two children a left value, expression or literal and a right value, expression or literal. Note: this class is only used in update queries, and explicitly this class is *not* used in a where clause for equals companison. For that casue use a BinaryOperation node. todo exactally what type of children are valid leftVariable = rightValue

Version:

$Revision: 138 $ $Date: 2004-10-21 05:52:45 +0200 (Thu, 21 Oct 2004) $

See Also:

Serialized Form

Constructor Summary

Assignment()

Method Summary

java.lang.Object

visit(QueryVisitor visitor, java.lang.Object param)

Methods inherited from class org.tranql.ql.AbstractNode

addChild, getChild, getSibling, isOnlyChild, setSibling

Methods inherited from class java.lang.Object

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

Constructor Detail

Assignment

public Assignment()

Method Detail

visit

public java.lang.Object visit(QueryVisitor visitor,
                              java.lang.Object param)
                       throws QueryException

Throws:

QueryException