Пример #1
0
  private XFacetedQuery XML2Query(Document doc) {
    try {
      Node node = null;
      NamedNodeMap map = null;

      node = doc.getElementsByTagName("action").item(0);
      map = node.getAttributes();

      // create XFacetedQuery
      node = doc.getElementsByTagName("targetNode").item(0);
      map = node.getAttributes();
      int target = new Integer(map.getNamedItem("index").getNodeValue()).intValue();

      CatRelGraph graph = schemaFactory.createCatRelGraph();
      node = doc.getElementsByTagName("queryNode").item(0);
      graph.add(createGeneralCategory(node));
      // System.out.println("name="+node.getNodeName());
      addRelations(graph, 0, node.getChildNodes());
      System.out.println(graph);
      System.out.println("target=" + target);

      XFacetedQuery query = searchFactory.createXFacetedQuery();
      query.setSearchTarget(target);
      query.setQueryConstraint(graph);
      query.setResultSpec(searchFactory.createXFacetedResultSpec());
      return query;
    } catch (Exception ex) {
      ex.printStackTrace();
    }
    return null;
  }
 protected SchemaObjectInfo getInfo(IndexReader indexReader, int docID) throws IOException {
   FieldType[] fields =
       new FieldType[] {
         FieldType.ID, FieldType.URI, FieldType.LABEL, FieldType.SUMMARY, FieldType.TEXT
       };
   String[] values = indexReader.getFieldValues(docID, fields);
   return schemaFactory.createSchemaObjectInfo(
       Long.valueOf(values[0]), values[1], values[2], values[3], values[4]);
 }
Пример #3
0
 private GeneralCategory createGeneralCategory(Node node)
     throws NoSuchAlgorithmException, DOMException {
   NamedNodeMap map = node.getAttributes();
   CompoundCategory cat = schemaFactory.createCompoundCategory(CompoundCategory.TYPE_AND);
   Node n = map.getNamedItem("instanceConstraint");
   if (n != null && !n.getNodeValue().equals("")) {
     cat.addComponentCategory(
         schemaFactory
             .createEnumerationCategory()
             .addInstanceElement(schemaFactory.createInstance(n.getNodeValue())));
     return cat;
   }
   n = map.getNamedItem("conceptConstraint");
   if (n != null && !n.getNodeValue().equals("")) {
     cat.addComponentCategory(schemaFactory.createCategory(n.getNodeValue()));
   }
   n = map.getNamedItem("keyword");
   if (n != null && !n.getNodeValue().equals("")) {
     cat.addComponentCategory(schemaFactory.createKeywordCategory(n.getNodeValue()));
   }
   return cat;
 }
Пример #4
0
 private void addRelations(CatRelGraph graph, int fromNodeIndex, NodeList nodes)
     throws NoSuchAlgorithmException, DOMException {
   if (nodes == null) return;
   for (int i = 0; i < nodes.getLength(); i++) {
     Node node = nodes.item(i);
     if (node.getNodeName().equals("#text")) continue;
     // System.out.println("name="+node.getNodeName());
     graph.add(createGeneralCategory(node));
     int toNodeIndex = graph.numOfNodes() - 1;
     NamedNodeMap map = node.getAttributes();
     if (map.getNamedItem("inverse").getNodeValue().equals("0")) {
       graph.add(
           schemaFactory.createRelation(map.getNamedItem("relation").getNodeValue()),
           fromNodeIndex,
           toNodeIndex);
     } else {
       graph.add(
           schemaFactory.createRelation(map.getNamedItem("relation").getNodeValue()),
           toNodeIndex,
           fromNodeIndex);
     }
     addRelations(graph, toNodeIndex, node.getChildNodes());
   }
 }