예제 #1
0
  public GNResultSet(GNXMLQuery query, Object userInfo, Observer[] observers, ServiceContext srvctx)
      throws Exception {
    super(observers);
    this.query = query;
    this.srvxtx = srvctx;

    try {

      GeonetContext gc = (GeonetContext) this.srvxtx.getHandlerContext(Geonet.CONTEXT_NAME);
      SearchManager searchMan = gc.getBean(SearchManager.class);

      metasearcher = searchMan.newSearcher(SearchManager.LUCENE, Geonet.File.SEARCH_Z3950_SERVER);

    } catch (Exception e) {
      if (Log.isDebugEnabled(Geonet.Z3950_SERVER))
        Log.debug(Geonet.Z3950_SERVER, "error constructing GNresult set: " + e);
      e.printStackTrace();
    }
  }
예제 #2
0
  public int evaluate(int timeout) {
    try {
      if (Log.isDebugEnabled(Geonet.Z3950_SERVER))
        Log.debug(Geonet.Z3950_SERVER, "INCOMING XML QUERY:\n" + query);

      Element request = new Element("request");
      request.addContent(query.toGNXMLRep());

      List<String> categories = query.getCollections();
      for (String category : categories) {
        if (!category.equals("geonetwork") && !category.equals("Default"))
          request.addContent(new Element("category").setText(category));
      }

      ServiceConfig config = new ServiceConfig();

      // perform the search and save search results

      metasearcher.search(this.srvxtx, request, config);

      // System.out.println("summary:\n" + Xml.getString(s.getSummary()));
      // // DEBUG

      // Random number of records.. Set up the result set
      setFragmentCount(metasearcher.getSize());
      setTaskStatusCode(IRResultSetStatus.COMPLETE);

      this.srvxtx.getResourceManager().close();
    } catch (Throwable e) {
      Log.error(Geonet.Z3950_SERVER, "error evaluating query.." + e);
      e.printStackTrace();

      try {
        this.srvxtx.getResourceManager().abort();
      } catch (Exception e2) {
        e2.printStackTrace();
      }
    }
    return (getStatus());
  }
예제 #3
0
  public void testStatelessSearch()
      throws org.jzkit.configuration.api.ConfigurationException, org.jzkit.search.SearchException,
          org.jzkit.search.util.ResultSet.IRResultSetException,
          org.jzkit.search.util.QueryModel.InvalidQueryException {

    Logger log = Logger.getLogger(TestService.class.getName());

    log.info("Starting jzkit2 server...");

    RecordFormatSpecification request_spec = new ArchetypeRecordFormatSpecification("F");
    ExplicitRecordFormatSpecification display_spec =
        new ExplicitRecordFormatSpecification("text:html:F");

    ApplicationContext app_context =
        new ClassPathXmlApplicationContext("TestApplicationContext.xml");
    log.info("JZKit server startup completed");

    Vector collection_ids = new Vector();
    collection_ids.add("LC/BOOKS");

    QueryModel qm = new PrefixString("@attrset bib-1 @attr 1=4 Science");

    System.err.println("Processing search......");

    try {
      Map additional_properties = new HashMap();
      additional_properties.put("base_dir", "/a/b/c/d");

      StatelessQueryService stateless_query_service =
          (StatelessQueryService) app_context.getBean("StatelessQueryService");

      org.jzkit.search.landscape.SimpleLandscapeSpecification landscape =
          new org.jzkit.search.landscape.SimpleLandscapeSpecification(collection_ids);
      // Test 1 - Kick off a search
      StatelessSearchResultsPageDTO rp =
          stateless_query_service.getResultsPageFor(
              null, qm, landscape, 1, 5, request_spec, display_spec, additional_properties);

      if (rp != null) {
        System.err.println(
            "Result Set Size....."
                + rp.total_hit_count
                + " records - result contains "
                + rp.number_of_records
                + " records");
        System.err.println("Result Set ID : " + rp.result_set_id);
      } else {
        System.err.println("Results page was null");
      }

      if (rp.records != null) {
        for (int i = 0; ((i < rp.records.length) && (i < 25)); i++) {
          System.err.println(
              "Getting next record (" + i + " out of " + rp.number_of_records + ").....");
          InformationFragment frag = rp.records[i];
          System.err.println(frag);
        }
      }

      // Test 2 - use the result set ID to get a page of requests
      rp =
          stateless_query_service.getResultsPageFor(
              rp.result_set_id,
              qm,
              landscape,
              6,
              5,
              request_spec,
              display_spec,
              additional_properties);

      if (rp.records != null) {
        for (int i = 0; ((i < rp.records.length) && (i < 25)); i++) {
          System.err.println(
              "Getting next record (" + i + " out of " + rp.number_of_records + ").....");
          InformationFragment frag = rp.records[i];
          System.err.println(frag);
        }
      }

      // Test 3 - Use the query to get a cache hit
      rp =
          stateless_query_service.getResultsPageFor(
              null, qm, landscape, 6, 5, request_spec, display_spec, additional_properties);

      if (rp.records != null) {
        for (int i = 0; ((i < rp.records.length) && (i < 25)); i++) {
          System.err.println(
              "Getting next record (" + i + " out of " + rp.number_of_records + ").....");
          InformationFragment frag = rp.records[i];
          System.err.println(frag);
        }
      }
    } catch (Exception e) {
      e.printStackTrace();
    }
  }
예제 #4
0
  public InformationFragment[] getFragment(
      int startingFragment, int count, RecordFormatSpecification spec) throws IRResultSetException {
    if (Log.isDebugEnabled(Geonet.Z3950_SERVER))
      Log.debug(
          Geonet.Z3950_SERVER,
          "Request for fragment start:" + startingFragment + ", count:" + count);

    InformationFragment fragment[] = new InformationFragment[count];

    ExplicitRecordFormatSpecification rec_spec =
        new ExplicitRecordFormatSpecification("xml", null, "f");

    try {
      // build fragment data
      int from = startingFragment;
      int to = startingFragment + count - 1;

      Element request = new Element("request");
      request.addContent(new Element("from").setText(from + ""));
      request.addContent(new Element("to").setText(to + ""));
      ServiceConfig config = new ServiceConfig();

      if (Log.isDebugEnabled(Geonet.Z3950_SERVER))
        Log.debug(Geonet.Z3950_SERVER, "Search request:\n" + Xml.getString(request));
      // get result set
      Element result = this.metasearcher.present(this.srvxtx, request, config);

      if (Log.isDebugEnabled(Geonet.Z3950_SERVER))
        Log.debug(Geonet.Z3950_SERVER, "Search result:\n" + Xml.getString(result));

      // remove summary
      result.removeChildren("summary");
      @SuppressWarnings("unchecked")
      List<Element> list = result.getChildren();

      if (Log.isDebugEnabled(Geonet.Z3950_SERVER))
        Log.debug(Geonet.Z3950_SERVER, "Set name asked:" + spec);

      // save other records to fragment
      for (int i = 0; i < count; i++) {
        Element md = list.get(0);
        md.detach();

        if (Log.isDebugEnabled(Geonet.Z3950_SERVER))
          Log.debug(Geonet.Z3950_SERVER, "Returning fragment:\n" + Xml.getString(md));

        // add metadata

        // fragment[i] = new DOMTree("geonetwork", "geonetwork", null,   getRecord(md),rec_spec );
        // fragment[i].setHitNo(startingFragment+i);

        DOMOutputter outputter = new DOMOutputter();
        Document doc = new Document(md);
        org.w3c.dom.Document doc2 = outputter.output(doc);

        fragment[i] =
            new InformationFragmentImpl(
                startingFragment + i, "geonetwork", "geonetwork", null, doc2, rec_spec);
        // fragment[i] = new
        // InformationFragmentImpl(startingFragment+i,"geonetwork","geonetwork",null,doc,rec_spec);

        // System.err.println(fragment[i]);

      }
      this.srvxtx.getResourceManager().close();
      if (Log.isDebugEnabled(Geonet.Z3950_SERVER))
        Log.debug(Geonet.Z3950_SERVER, "Fragment returned");
    } catch (Throwable e) {
      try {
        this.srvxtx.getResourceManager().abort();
      } catch (Exception e2) {
        e2.printStackTrace();
      }

      if (Log.isDebugEnabled(Geonet.Z3950_SERVER))
        Log.debug(Geonet.Z3950_SERVER, "Exception: " + e.getClass().getName() + " " + e);
      // e.printStackTrace();
    }

    return fragment;
  }