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StackableSail API offering full-text search on literals, based on Apache Lucene.
The newest version!
/*******************************************************************************
* Copyright (c) 2015 Eclipse RDF4J contributors, Aduna, and others.
*
* 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.lucene;
import org.eclipse.rdf4j.model.IRI;
import org.eclipse.rdf4j.model.ValueFactory;
import org.eclipse.rdf4j.model.impl.SimpleValueFactory;
/**
* LuceneSailSchema defines predicates that can be used for expressing a Lucene query in a RDF query.
*/
public class LuceneSailSchema {
public static final String NAMESPACE = "http://www.openrdf.org/contrib/lucenesail#";
public static final IRI LUCENE_QUERY;
public static final IRI SCORE;
public static final IRI QUERY;
public static final IRI PROPERTY;
public static final IRI SNIPPET;
public static final IRI MATCHES;
public static final IRI INDEXID;
public static final IRI BOOST;
/**
* "Magic property" (TupleFunction) IRI.
*/
public static final IRI SEARCH;
public static final IRI ALL_MATCHES;
public static final IRI ALL_PROPERTIES;
public static final IRI WITHIN_DISTANCE;
public static final IRI DISTANCE;
public static final IRI CONTEXT;
public static final IRI NUM_DOCS;
static {
ValueFactory factory = SimpleValueFactory.getInstance(); // compatible with beta4:
// creating a new factory
LUCENE_QUERY = factory.createIRI(NAMESPACE + "LuceneQuery");
SCORE = factory.createIRI(NAMESPACE + "score");
QUERY = factory.createIRI(NAMESPACE + "query");
PROPERTY = factory.createIRI(NAMESPACE + "property");
SNIPPET = factory.createIRI(NAMESPACE + "snippet");
MATCHES = factory.createIRI(NAMESPACE + "matches");
INDEXID = factory.createIRI(NAMESPACE + "indexid");
BOOST = factory.createIRI(NAMESPACE + "boost");
SEARCH = factory.createIRI(NAMESPACE + "search");
ALL_MATCHES = factory.createIRI(NAMESPACE + "allMatches");
ALL_PROPERTIES = factory.createIRI(NAMESPACE + "allProperties");
WITHIN_DISTANCE = factory.createIRI(NAMESPACE + "withinDistance");
DISTANCE = factory.createIRI(NAMESPACE + "distance");
CONTEXT = factory.createIRI(NAMESPACE + "context");
NUM_DOCS = factory.createIRI(NAMESPACE + "numDocs");
}
}
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