/**
 * This file Copyright (c) 2009-2012 Magnolia International
 * Ltd.  (http://www.magnolia-cms.com). All rights reserved.
 *
 *
 * This file is dual-licensed under both the Magnolia
 * Network Agreement and the GNU General Public License.
 * You may elect to use one or the other of these licenses.
 *
 * This file is distributed in the hope that it will be
 * useful, but AS-IS and WITHOUT ANY WARRANTY; without even the
 * implied warranty of MERCHANTABILITY or FITNESS FOR A
 * PARTICULAR PURPOSE, TITLE, or NONINFRINGEMENT.
 * Redistribution, except as permitted by whichever of the GPL
 * or MNA you select, is prohibited.
 *
 * 1. For the GPL license (GPL), you can redistribute and/or
 * modify this file under the terms of the GNU General
 * Public License, Version 3, as published by the Free Software
 * Foundation.  You should have received a copy of the GNU
 * General Public License, Version 3 along with this program;
 * if not, write to the Free Software Foundation, Inc., 51
 * Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
 *
 * 2. For the Magnolia Network Agreement (MNA), this file
 * and the accompanying materials are made available under the
 * terms of the MNA which accompanies this distribution, and
 * is available at http://www.magnolia-cms.com/mna.html
 *
 * Any modifications to this file must keep this entire header
 * intact.
 *
 */
package info.magnolia.nodebuilder;

import info.magnolia.cms.core.Content;

/**
 * A NodeOperation instance describes an "atomic" operation to apply to a node ("context").
 * Instances of this are executed via {@link NodeBuilder}, can be nested (via {@link #then(NodeOperation...)}).
 * @see Ops
 * @see RecursiveOp
 *
 * @author gjoseph
 * @version $Revision: $ ($Author: $)
 */
public interface NodeOperation {
    // return this
    // TODO - differentiate between operations that can be chained or not - i.e setProperty shouldn't be chainable
    NodeOperation then(NodeOperation... childrenOps);

    // TODO exec should not appear in public interface
    void exec(Content context, ErrorHandler errorHandler);

    // TODO - description ... ?
}