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Copyright (c) 2010 Daniel Murphy Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
Created at Jun 21, 2010, 3:57:50 AM
package com.dmurph.mvc;

An object that is revertable, where changes can be "canceled".

Daniel Murphy
public interface IRevertable {

Saves the current changes to the model so further calls to revertChanges() will revert changes to the model's current state.

if there were changes to save
	public boolean saveChanges();

Reverts the model to the last time saveChanges() was called, or to it's original state if saveChanges() was never called.

if changed were reverted
	public boolean revertChanges();
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