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/*****************************************************************************
* Copyright (c) 2013 CEA LIST.
*
*
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* CEA LIST - Initial API and implementation
*
*****************************************************************************/
package org.eclipse.papyrus.uml.search.ui.validator;
import java.util.Collection;
import org.eclipse.emf.ecore.EObject;
/**
*
* Interface to implement to have a specific content validator. It is used to select only the elements that will be used to find patterns.
*
*/
public interface IParticipantValidator {
/**
* Return the elements that will participate (i.e. the participants) in the search query based on a list of types
*
* @param root
* all the children and itself will be check against the list of types
* @param participantsTypes
* the types of the wanted participants
* @return
* the elements that are of wanted types
*/
public Collection<? extends Object> getParticipants(EObject root, Object[] participantsTypes);
}
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