content: /*
   *  Licensed 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.
   *
   *  See the NOTICE file distributed with this work for additional
   *  information regarding copyright ownership.
   */
  
  package org.seaborne.delta.examples;
  import org.apache.jena.fuseki.main.FusekiServer;
  import org.apache.jena.rdfconnection.RDFConnection;
  import org.apache.jena.sparql.core.DatasetGraph;
  import org.apache.jena.sparql.core.DatasetGraphFactory;
  import org.apache.jena.update.UpdateFactory;
  import org.apache.jena.update.UpdateRequest;
  import org.seaborne.delta.lib.LogX;
  import org.apache.jena.rdfpatch.RDFPatchOps;
  import org.apache.jena.rdfpatch.text.RDFChangesWriterText;
  
  /**
   * Example of a Fuseki server, with a dataset that writes out changes as they happen.
   */
  public class DeltaEx03_FusekiLogChanges {
      static { LogX.setJavaLogging(); }
  
      public static void main(String ...args) {
          try { main2(args) ; }
          finally { System.exit(0); }
      }
  
      public static void main2(String ...args) {
          int PORT = 2020;
          DatasetGraph dsgBase = DatasetGraphFactory.createTxnMem();
          try ( RDFChangesWriterText changeLog = RDFPatchOps.textWriter(System.out) ) {
  
              DatasetGraph dsg = RDFPatchOps.changes(dsgBase, changeLog);
  
              // Create a server with the changes-enables dataset.
              // Plain server. No other registration necessary.
              FusekiServer server =
                  FusekiServer.create()
                  .port(PORT)
                  .add("/ds", dsg)
                  .build();
              server.start();
  
              RDFConnection conn = RDFConnection.connect("http://localhost:"+PORT+"/ds");
              UpdateRequest update = UpdateFactory.create("PREFIX : <http://example/> INSERT DATA { :s :p 123 }");
              // Note - no prefix in changes. The SPARQL Update prefix is not a chnage to the dataset prefixes.
              conn.update(update);
              server.stop();
  //        // Server in the background so explicitly exit.
  //        System.exit(0);
          }
      }
  
  }
  