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/*******************************************************************************
* Copyright (c) 2010-2014, Miklos Foldenyi, Andras Szabolcs Nagy, Abel Hegedus, Akos Horvath, Zoltan Ujhelyi and Daniel Varro
* This program and the accompanying materials are made available under the
* terms of the Eclipse Public License v. 2.0 which is available at
* http://www.eclipse.org/legal/epl-v20.html.
*
* SPDX-License-Identifier: EPL-2.0
*******************************************************************************/
package org.eclipse.viatra.dse.visualizer;
import org.eclipse.viatra.dse.base.DesignSpaceManager;
/**
* An implementation of this interface is notified about every move in the design space (firing a rule activation or
* undoing it) of a single thread, if registered to the corresponding {@link DesignSpaceManager}. Its methods are called
* synchronously, therefore the implementation can have an impact on the performance. Also note, if the same instance is
* registered to multiple threads ({@link DesignSpaceManager}), it has to be thread safe.
*
* @author Andras Szabolcs Nagy
*
*/
public interface IExploreEventHandler {
/**
* Called by the {@link DesignSpaceManager}, after a rule activation (transition) is fired. Multiple calls with the
* same transition can occur.
*
* @param transition The fired transition.
*/
void transitionFired(Object transition);
/**
* Called by the {@link DesignSpaceManager}, after undoing the previously fired rule activation (transition).
* Multiple calls with the same transition can occur.
*
* @param transition The undone transition.
*/
void undo(Object transition);
}
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