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git-svn-id: https://svn.alfresco.com/repos/alfresco-enterprise/alfresco/HEAD/root@8292 c4b6b30b-aa2e-2d43-bbcb-ca4b014f7261
63 lines
2.4 KiB
Java
63 lines
2.4 KiB
Java
/*
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* Copyright (C) 2005-2007 Alfresco Software Limited.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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* As a special exception to the terms and conditions of version 2.0 of
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* the GPL, you may redistribute this Program in connection with Free/Libre
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* and Open Source Software ("FLOSS") applications as described in Alfresco's
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* FLOSS exception. You should have recieved a copy of the text describing
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* the FLOSS exception, and it is also available here:
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* http://www.alfresco.com/legal/licensing"
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*/
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package org.alfresco.web.action;
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import java.io.Serializable;
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import org.alfresco.web.bean.repository.Node;
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/**
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* Contract supported by all classes that provide dynamic evaluation for a UI action.
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* <p>
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* Evaluators are supplied with a Node instance context object.
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* <p>
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* The evaluator should decide if the action precondition is valid based on the appropriate
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* logic and the properties etc. of the Node context and return the result.
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*
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* @author Kevin Roast
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*/
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public interface ActionEvaluator extends Serializable
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{
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/**
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* The evaluator should decide if the action precondition is valid based on the appropriate
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* logic and the properties etc. of the Node context and return the result.
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*
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* @param node Node context for the action
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*
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* @return result of whether the action can proceed.
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*/
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public boolean evaluate(Node node);
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/**
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* The evaluator should decide if the action precondition is valid based on the appropriate
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* logic and the state etc. of the given object and return the result.
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*
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* @param obj The object the action is for
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*
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* @return result of whether the action can proceed.
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*/
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public boolean evaluate(Object obj);
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}
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