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/*
Wotonomy: OpenStep design patterns for pure Java applications.
Copyright (C) 2001 Michael Powers
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, see http://www.gnu.org
*/
package net.wotonomy.control;
/**
* EOFaulting defines the requirements for objects that
* can be faulted by an EOFaultManager.
*
* @author michael@mpowers.net
* @author $Author: cgruber $
* @version $Revision: 893 $
*/
public interface EOFaulting
{
/**
* Called by EOFaultHandler to prepare the object to be turned into a fault.
*/
void clearFault();
/**
* Returns this object's EOFaultHandler.
*/
EOFaultHandler faultHandler();
/**
* Returns whether this object is currently a fault.
* Returns true if this object has not yet retrieved any values.
*/
boolean isFault();
/**
* Turns this object into a fault using the specified fault handler.
*/
void turnIntoFault( EOFaultHandler aFaultHandler );
/**
* Called to completely fire the fault, reading all values.
* This method may be implemented to call willRead(null).
*/
void willRead();
/**
* Called to fire the fault for the specified key.
* The fault manager is required to populate the specified key
* with a value, and may populate any or all of the other values
* on this object. A null key will populate all values on the object.
* NOTE: This method is not part of the specification.
*/
void willRead( String aKey );
}
/*
* $Log$
* Revision 1.1 2006/02/16 13:19:57 cgruber
* Check in all sources in eclipse-friendly maven-enabled packages.
*
* Revision 1.1 2001/11/13 04:13:59 mpowers
* Added interfaces needed to begin work on EOCustomObject.
*
*
*/
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