org.castor.cpa.persistence.sql.query
Class QueryObject

java.lang.Object
  org.castor.cpa.persistence.sql.query.QueryObject

Direct Known Subclasses:

Assignment, Condition, Delete, Expression, Insert, Qualifier, Select, Update

public abstract class QueryObject
extends Object

Abstract base class for all query objects.

Version:

$Revision$ $Date: 2006-04-25 15:08:23 -0600 (Tue, 25 Apr 2006) $

Author:

Ahmad Hassan, Ralf Joachim

Constructor Summary

QueryObject()

Method Summary

String	toString()
abstract void	toString(QueryContext ctx) Append a string representation of the object to the given QueryContext.

Methods inherited from class java.lang.Object

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

Constructor Detail

QueryObject

public QueryObject()

Method Detail

toString

public final String toString()

Overrides:

toString in class Object

toString

public abstract void toString(QueryContext ctx)

Append a string representation of the object to the given QueryContext. In general, this toString method appends a string that "textually represents" this object. The result should be a string in valid SQL syntax. It is required that all subclasses override this method.

Parameters:

ctx - QueryContext to append the string representation of the object to.