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/*******************************************************************************
* Copyright (c) 2010-2016, Grill Balázs, IncQueryLabs
* 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.context;
/**
* These are the different services which can be provided by an {@link IQueryRuntimeContext} implementation.
*
* @author Grill Balázs
* @since 1.4
*
*/
public enum IndexingService {
/**
* Cardinality information is available. Makes possible to calculate
* unseeded calls of {@link IQueryRuntimeContext#countTuples(IInputKey, tools.refinery.viatra.runtime.matchers.tuple.Tuple)}
*/
STATISTICS,
/**
* The indexer can provide notifications about changes in the model.
*/
NOTIFICATIONS,
/**
* Enables enumeration of instances and reverse-navigation.
*/
INSTANCES
}
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