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/*****************************************************************************
* Java Plug-in Framework (JPF)
* Copyright (C) 2004-2007 Dmitry Olshansky
*
* 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, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*****************************************************************************/
package org.java.plugin.registry;
/**
* This interface abstracts inter plug-ins dependencies.
* <p>
* Plug-in prerequisite UID is a combination of declaring plug-in ID and
* prerequisite ID (may be auto-generated) that is unique within whole set of
* registered plug-ins.
* </p>
*
* @version $Id$
*/
public interface PluginPrerequisite
extends UniqueIdentity, PluginElement<PluginPrerequisite> {
/**
* @return ID of plug-in, this plug-in depends on
*/
String getPluginId();
/**
* @return desired plug-in version identifier or <code>null</code>
* if not specified
*/
Version getPluginVersion();
/**
* @return <code>true</code> if this prerequisite is propagated
* on depending plug-ins
*/
boolean isExported();
/**
* @return <code>true</code> if this prerequisite is not required
*/
boolean isOptional();
/**
* @return <code>true</code> if this prerequisite allows reverse look up of
* classes in imported plug-in
*/
boolean isReverseLookup();
/**
* @return <code>true</code> if this prerequisite is fulfilled
*/
boolean matches();
/**
* @return the match rule as it specified in manifest
*/
MatchingRule getMatchingRule();
}
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