org.apache.jena.tdb.assembler.VocabTDB Maven / Gradle / Ivy

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TDB is a storage subsystem for Jena and ARQ, it is a native triple store providing persistent storage of triples/quads.
There is a newer version: 4.10.0
/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
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package org.apache.jena.tdb.assembler;

import org.apache.jena.rdf.model.Property ;
import org.apache.jena.rdf.model.Resource ;
import org.apache.jena.sparql.core.assembler.AssemblerUtils ;
import org.apache.jena.tdb.TDB ;

public class VocabTDB
{
    private static final String NS = TDB.namespace ;
    
    public static String getURI() { return NS ; } 

    // Types
    public static final Resource tDatasetTDB        = Vocab.type(NS, "DatasetTDB") ;
    public static final Resource tGraphTDB          = Vocab.type(NS, "GraphTDB") ;
//    public static final Resource tGraphBDB          = Vocab.type(NS, "GraphBDB") ;
//    public static final Resource tTupleIndex        = Vocab.type(NS, "TupleIndex") ;
    public static final Resource tNodeTable         = Vocab.type(NS, "NodeTable") ;

    public static final Property pLocation          = Vocab.property(NS, "location") ;
    public static final Property pUnionDefaultGraph = Vocab.property(NS, "unionDefaultGraph") ;
    
    public static final Property pIndex             = Vocab.property(NS, "index") ;
    public static final Property pGraphName1        = Vocab.property(NS, "graphName") ;
    public static final Property pGraphName2        = Vocab.property(NS, "namedGraph") ;
    public static final Property pDataset           = Vocab.property(NS, "dataset") ;
    
    public static final Property pNodes             = Vocab.property(NS, "nodes") ;

    // Indexes
    public static final Property pDescription       = Vocab.property(getURI(), "description") ;
    public static final Property pFile              = Vocab.property(getURI(), "file") ;

    // Nodes
    public static final Property pNodeIndex         = Vocab.property(getURI(), "nodeIndex") ;
    public static final Property pNodeData          = Vocab.property(getURI(), "nodeData") ;
    
    // Setting
    public static final Property pSetting           = Vocab.property(getURI(), "setting") ;
    public static final Property pName              = Vocab.property(getURI(), "name") ;
    public static final Property pValue             = Vocab.property(getURI(), "value") ;
    
    private static boolean initialized = false ; 
    
    static { init() ; }
    
    static synchronized public void init() {
        if ( initialized )
            return;
        initialized = true;
        AssemblerUtils.registerDataset(tDatasetTDB, new DatasetAssemblerTDB());
        AssemblerUtils.registerModel(tGraphTDB, new TDBGraphAssembler());
    }
}