Files
alfresco-community-repo/source/java/org/alfresco/web/action/ActionEvaluator.java
Paul Holmes-Higgin acb00e83dd Changed licence headers
git-svn-id: https://svn.alfresco.com/repos/alfresco-enterprise/alfresco/HEAD/root@5081 c4b6b30b-aa2e-2d43-bbcb-ca4b014f7261
2007-02-08 18:59:58 +00:00

44 lines
1.6 KiB
Java

/*
* Copyright (C) 2005 Alfresco, Inc.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
* This program 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 General Public License for more details.
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
package org.alfresco.web.action;
import org.alfresco.web.bean.repository.Node;
/**
* Contract supported by all classes that provide dynamic evaluation for a UI action.
* <p>
* Evaluators are supplied with a Node instance context object.
* <p>
* The evaluator should decide if the action precondition is valid based on the appropriate
* logic and the properties etc. of the Node context and return the result.
*
* @author Kevin Roast
*/
public interface ActionEvaluator
{
/**
* The evaluator should decide if the action precondition is valid based on the appropriate
* logic and the properties etc. of the Node context and return the result.
*
* @param node Node context for the action
*
* @return result of whether the action can proceed.
*/
public boolean evaluate(Node node);
}