Package edu.isi.karma.kr2rml.writer

Examples of edu.isi.karma.kr2rml.writer.AvroKR2RMLRDFWriter

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  public void testGenerateAvro1() {
    try {
      String filename = "people.json";
      logger.info("Loading json file: " + filename);
      ByteArrayOutputStream baos = new ByteArrayOutputStream();
      AvroKR2RMLRDFWriter arvowriter = new AvroKR2RMLRDFWriter(baos);

      StringWriter sw = new StringWriter();
      PrintWriter pw = new PrintWriter(sw);
      JSONKR2RMLRDFWriter jsonwriter = new JSONKR2RMLRDFWriter(pw);
      List<KR2RMLRDFWriter> writers = new LinkedList<KR2RMLRDFWriter>();
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      String filename = "people.avro";
      logger.info("Loading avro file: " + filename);
      File tempAvroOutput = File.createTempFile("testgenerateavro2", "avro");
      tempAvroOutput.deleteOnExit();
      FileOutputStream fos = new FileOutputStream(tempAvroOutput );
      AvroKR2RMLRDFWriter arvowriter = new AvroKR2RMLRDFWriter(fos);

      StringWriter sw = new StringWriter();
      PrintWriter pw = new PrintWriter(sw);
      JSONKR2RMLRDFWriter jsonwriter = new JSONKR2RMLRDFWriter(pw);
      List<KR2RMLRDFWriter> writers = new LinkedList<KR2RMLRDFWriter>();
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      String filename = "people-array.avro";
      logger.info("Loading json file: " + filename);
      File tempAvroOutput = File.createTempFile("testgenerateavro4", "avro");
      tempAvroOutput.deleteOnExit();
      FileOutputStream fos = new FileOutputStream(tempAvroOutput );
      AvroKR2RMLRDFWriter arvowriter = new AvroKR2RMLRDFWriter(fos);

      StringWriter sw = new StringWriter();
      PrintWriter pw = new PrintWriter(sw);
      JSONKR2RMLRDFWriter jsonwriter = new JSONKR2RMLRDFWriter(pw);
      List<KR2RMLRDFWriter> writers = new LinkedList<KR2RMLRDFWriter>();
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    final String avroFileLocalPath = ServletContextParameterMap.getParameterValue(ContextParameter.AVRO_PUBLISH_DIR) + 
        avroFileName;
   
    try {
      FileOutputStream fos = new FileOutputStream(new File(avroFileLocalPath));
      AvroKR2RMLRDFWriter writer = new AvroKR2RMLRDFWriter(fos);
      writer.addPrefixes(mapping.getPrefixes());
      RootStrategy strategy = new UserSpecifiedRootStrategy(rootTriplesMapId, new SteinerTreeRootStrategy(new WorksheetDepthRootStrategy()));
      KR2RMLWorksheetRDFGenerator generator = new KR2RMLWorksheetRDFGenerator(worksheet, f, ontMgr, writer,
          false, strategy, mapping, errorReport, selection);
      try {
        generator.generateRDF(true);
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            List<String> triplesMapIds = entry.getValue();
            jsonWriter.addRootTriplesMapId(triplesMapIds.get(triplesMapIds.size()-1)); 
          }
          if(jsonWriter instanceof AvroKR2RMLRDFWriter)
          {
            AvroKR2RMLRDFWriter avroWriter = (AvroKR2RMLRDFWriter) jsonWriter;
            avroWriter.setProcessingOrder(graphTriplesMapsProcessingOrder);
          }
        }
      }
      int i=1;
      TriplesMapPlanExecutor e = new TriplesMapPlanExecutor();
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Related Classes of edu.isi.karma.kr2rml.writer.AvroKR2RMLRDFWriter

  • edu.isi.karma.controller.command.publish.avro.ExportAvroCommand
  • edu.isi.karma.kr2rml.KR2RMLWorksheetRDFGenerator
  • edu.isi.karma.kr2rml.planning.TriplesMap
  • edu.isi.karma.kr2rml.RefObjectMap
  • edu.isi.karma.rdf.TestAvroRDFGenerator
  • org.apache.avro.generic.GenericArray
  • org.apache.avro.generic.GenericRecord
  • org.apache.avro.Schema
  • org.apache.avro.Schema.Field
  • java.io.PrintWriter
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