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/*******************************************************************************
* Copyright (c) 2010-2016, Tamas Szabo, Istvan Rath 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 tools.refinery.viatra.runtime.matchers.util.resumable;
/**
* A resumable lazily folds its state towards higher timestamps. Folding shall be done in the increasing order of
* timestamps, and it shall be interrupted after each step. The resumable can then be instructed to resume the folding,
* one step at a time.
*
* @author Tamas Szabo
* @since 2.4
*/
public interface Resumable<Timestamp extends Comparable<Timestamp>> {
/**
* Returns the smallest timestamp where lazy folding shall be resumed, or null if there is no more folding to do in this
* resumable.
*/
public Timestamp getResumableTimestamp();
}
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