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/**
* Copyright (c) 2010-2016, Peter Lunk, IncQuery Labs Ltd.
* 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.base.api.filters;
import org.eclipse.emf.ecore.EStructuralFeature;
/**
*
* Defines if an {@link EStructuralFeature} should not be indexed by VIATRA Base. This filtering
* method should only be used if the input metamodel has certain features, that the base indexer
* cannot handle. If the filtered feature is a containment feature, the whole sub-tree accessible
* through the said feature will be filtered.
*
* Note: This API feature is for advanced users only. Usage of this feature is not encouraged,
* unless the filtering task is impossible via using the more straightforward
* {@link IBaseIndexResourceFilter} or {@link IBaseIndexObjectFilter}.
*
* @author Peter Lunk
* @since 1.5
*
*/
public interface IBaseIndexFeatureFilter {
/**
* Decides whether the selected {@link EStructuralFeature} is filtered.
*
* @param feature
* @return true, if the feature should not be indexed
*/
boolean isFiltered(EStructuralFeature feature);
}
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