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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;

/**
 * EOValidation provides methods for validating a operation on an object as a
 * whole, rather than on an individual property.
 *
 * @author michael@mpowers.net
 * @author $Author: cgruber $
 * @version $Revision: 893 $
 */
public interface EOValidation {
	/**
	 * Validates this object for delete. Throws an exception if this object cannot
	 * be deleted.
	 */
	void validateForDelete();

	/**
	 * Validates this object for insertion into the external store. Throws an
	 * exception if this object cannot be inserted. Validations here should be
	 * specific to insertion. Implementations may call validateForSave().
	 */
	void validateForInsert();

	/**
	 * Validates this object for a commit to the external store. Throws an exception
	 * if this object cannot be committed. Validations here are not specific to
	 * either inserts or updates.
	 */
	void validateForSave();

	/**
	 * Validates this object for update to the external store. Throws an exception
	 * if this object cannot be updated. Validations here should be specific to
	 * updates. Implementations may call validateForSave().
	 */
	void validateForUpdate();
}

/*
 * $Log$ 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.
 *
 *
 */