| /* |
| * 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 arq.examples.update; |
| |
| import org.apache.jena.query.Dataset ; |
| import org.apache.jena.query.DatasetFactory ; |
| import org.apache.jena.riot.Lang ; |
| import org.apache.jena.riot.RDFDataMgr ; |
| import org.apache.jena.sparql.modify.request.Target ; |
| import org.apache.jena.sparql.modify.request.UpdateCreate ; |
| import org.apache.jena.sparql.modify.request.UpdateDrop ; |
| import org.apache.jena.sparql.modify.request.UpdateLoad ; |
| import org.apache.jena.sparql.sse.SSE ; |
| import org.apache.jena.update.* ; |
| |
| /** Build an update request up out of indvidiual Update objects, not by parsing. |
| * This is quite low-level. |
| * See UpdateExecuteOperations for ways to build the request up from strings. |
| * These two approaches can be mixed. |
| */ |
| |
| public class UpdateProgrammatic |
| { |
| public static void main(String []args) |
| { |
| Dataset graphStore = DatasetFactory.createMem() ; |
| |
| UpdateRequest request = UpdateFactory.create() ; |
| |
| request.add(new UpdateDrop(Target.ALL)) ; |
| request.add(new UpdateCreate("http://example/g2")) ; |
| request.add(new UpdateLoad("file:etc/update-data.ttl", "http://example/g2")) ; |
| UpdateAction.execute(request, graphStore) ; |
| |
| System.out.println("# Debug format"); |
| SSE.write(graphStore) ; |
| |
| System.out.println(); |
| |
| System.out.println("# N-Quads: S P O G") ; |
| RDFDataMgr.write(System.out, graphStore, Lang.NQUADS) ; |
| } |
| } |