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/*******************************************************************************
* Copyright (c) 2004-2009 Gabor Bergmann 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.rete.index;
import tools.refinery.viatra.runtime.matchers.tuple.Tuple;
/**
* An indexer that allows the iteration of all retrievable tuple groups (or reduced groups).
*
* @author Gabor Bergmann
*
*/
public interface IterableIndexer extends Indexer, Iterable<Tuple> {
/**
* A view consisting of exactly those signatures whose tuple group is not empty
* @since 2.0
*/
public Iterable<Tuple> getSignatures();
/**
* @return the number of signatures whose tuple group is not empty
* @since 2.0
*/
public int getBucketCount();
}
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