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SDB is a persistence layer for use with Apache Jena that uses an SQL database to store triples/quads.
/*
* 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
* limitations under the License.
*/
package org.apache.jena.sdb.assembler;
import org.apache.jena.assembler.Assembler ;
import org.apache.jena.assembler.assemblers.AssemblerGroup ;
import org.apache.jena.rdf.model.Property ;
import org.apache.jena.rdf.model.Resource ;
import org.apache.jena.sdb.SDB ;
import org.apache.jena.sdb.util.Vocab ;
public class AssemblerVocab
{
private static final String NS = SDB.namespace ;
public static String getURI() { return NS ; }
// Types
public static final Resource SDBConnectionAssemblerType = Vocab.type(NS, "SDBConnection") ;
public static final Resource StoreAssemblerType = Vocab.type(NS, "Store") ;
public static final Resource DatasetAssemblerType = Vocab.type(NS, "DatasetStore") ;
public static final Resource ModelType = Vocab.type(NS, "Model") ;
public static final Resource GraphType = Vocab.type(NS, "Graph") ;
public static final Property pStore = Vocab.property(NS, "store") ;
public static final Property pDataset = Vocab.property(NS, "dataset") ;
public static final Property pGraphData = Vocab.property(NS, "graph") ;
public static final Property pNamedGraph1 = Vocab.property(NS, "graphName") ;
public static final Property pNamedGraph2 = Vocab.property(NS, "namedGraph") ;
// ---- Experimental
// ---- Commands
public static final Property pSteps = Vocab.property(NS, "steps") ;
public static final Property pMain = Vocab.property(NS, "main") ;
public static final Property pClassname = Vocab.property(NS, "classname") ;
public static final Property pArgs = Vocab.property(NS, "args") ;
public static final Property pArgName = Vocab.property(NS, "name") ;
public static final Property pArgValue = Vocab.property(NS, "value") ;
// Other
public static final Resource QueryAssemblerType = Vocab.type(NS, "Query") ;
public static final Property pQuery = Vocab.property(NS, "query") ;
public static final Property pQueryFile = Vocab.property(NS, "queryFile") ;
public static final Property pQueryString = Vocab.property(NS, "queryString") ;
public static final Property pOutputFormat = Vocab.property(NS, "outputFormat") ;
//public static final Property pCustomizerClass = Vocab.property(NS, "customizer") ;
// renaming: sdbFoo => foo ?/
// ---- Connection
public static final Property pDriver = Vocab.property(NS, "driver") ;
public static final Property pSDBtype = Vocab.property(NS, "sdbType") ;
public static final Property pSDBhost = Vocab.property(NS, "sdbHost") ;
public static final Property pSDBname = Vocab.property(NS, "sdbName") ;
//public static final Property pSDBschema = Vocab.property(NS, "sdbSchema") ;
// The JDBC URL written out long form. Overrides the above.
public static final Property pJDBC = Vocab.property(NS, "jdbcURL") ;
public static final Property pPoolSize = Vocab.property(NS, "poolSize") ;
public static final Property pSDBuser = Vocab.property(NS, "sdbUser") ;
public static final Property pSDBpassword = Vocab.property(NS, "sdbPassword") ;
// ---- Store
public static final Property pLayout = Vocab.property(NS, "layout") ;
public static final Property pConnection = Vocab.property(NS, "connection") ;
public final static Property featureProperty = Vocab.property(NS, "feature") ;
public final static Property featureNameProperty = Vocab.property(NS, "name") ;
public final static Property featureValueProperty = Vocab.property(NS, "value") ;
// MySQL engine type
public static final Property pMySQLEngine = Vocab.property(NS, "engine") ;
// SAP storage type
public static final Property pStorageType = Vocab.property(NS, "storage") ;
private static boolean initialized = false ;
static { init() ; }
static public void init()
{
if ( initialized )
return ;
register(Assembler.general) ;
initialized = true ;
}
static public void register(AssemblerGroup g)
{
// Wire in the extension assemblers (extensions relative to the Jena assembler framework)
//assemblerClass(CommandAssemblerType, new CommandAssembler()) ;
assemblerClass(g, QueryAssemblerType, new QueryAssembler()) ;
assemblerClass(g, SDBConnectionAssemblerType, new SDBConnectionDescAssembler()) ;
assemblerClass(g, StoreAssemblerType, new StoreDescAssembler()) ;
assemblerClass(g, DatasetAssemblerType, new DatasetStoreAssembler()) ;
assemblerClass(g, ModelType, new SDBModelAssembler()) ;
assemblerClass(g, GraphType, new SDBModelAssembler()) ;
}
private static void assemblerClass(AssemblerGroup g, Resource r, Assembler a)
{
if ( g == null )
g = Assembler.general ;
g.implementWith(r, a) ;
}
}