TupleFunctionEvaluationMode.java
/*******************************************************************************
* Copyright (c) 2015 Eclipse RDF4J contributors.
*
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Distribution License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/org/documents/edl-v10.php.
*
* SPDX-License-Identifier: BSD-3-Clause
*******************************************************************************/
package org.eclipse.rdf4j.sail.evaluation;
import org.eclipse.rdf4j.query.algebra.evaluation.function.TupleFunction;
public enum TupleFunctionEvaluationMode {
/**
* Uses the base SAIL along with an embedded SERVICE to perform query evaluation. The SERVICE is used to evaluate
* extended query algebra nodes such as {@link TupleFunction}s. (Default).
*/
SERVICE,
/**
* Assumes the base SAIL supports an extended query algebra (e.g. {@link TupleFunction}s) and use it to perform all
* query evaluation.
*/
NATIVE,
/**
* Treats the base SAIL as a simple triple source and all the query evaluation is performed by this SAIL.
*/
TRIPLE_SOURCE
}