Examples of org.apache.nutch.searcher.Hits

org.apache.nutch.searcher.Hits
A set of hits matching a query.

      NutchBean.LOG.info("query: " + query);
      NutchBean.LOG.info("lang: " + lang);
    }


    // search and return hits
    Hits hits;
    try {
      hits = bean.search(queryObj, start + rows, numDupes, dedup, sort, reverse);
    }
    catch (IOException e) {
      if (NutchBean.LOG.isWarnEnabled()) {
        NutchBean.LOG.warn("Search Error", e);
      }
      hits = new Hits(0, new Hit[0]);
    }


    // get the total number of hits, the hits to show, and the hit details
    long totalHits = hits.getTotal();
    int end = (int)Math.min(hits.getLength(), start + rows);
    int numHits = (end > start) ? (end - start) : 0;
    Hit[] show = hits.getHits(start, numHits);
    HitDetails[] details = bean.getDetails(show);


    // setup the SearchResults object, used in response writing
    SearchResults results = new SearchResults();
    results.setResponseType(respType);

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      numTotal.incrementAndGet();


      try {
        Query runner = Query.parse(query, conf);
        long start = System.currentTimeMillis();
        Hits hits = bean.search(runner, 10);
        long end = System.currentTimeMillis();
        numResolved.incrementAndGet();
        long total = (end - start);
        if (showTimes) {
          System.out.println("Query for " + query + " numhits "
            + hits.getTotal() + " in " + total + "ms");
        }
        totalTime.addAndGet(total);
      }
      catch (Exception uhe) {
        LOG.info("Error executing search for " + query);

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      hits = locator.getNutchBean().search(getQuery(),
          getStartOffset() + getHitsRequired(), getHitsPerDup(), getDupField(),
          getSortColumn(), isSortDesc());
    } catch (IOException e) {
      hits = new Hits(0, new Hit[0]);
    }


    int realEnd = (int) Math.min(hits.getLength(), getStartOffset()
        + getHitsRequired());

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    }


  }


  public void readFields(DataInput in) throws IOException {
    hits = new Hits();
    hits.readFields(in);
    int showlength = in.readInt();
    show = new Hit[showlength];
    for (int i = 0; i < showlength; i++) {
      show[i] = new Hit();

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    Query query = Query.parse(queryString, getServiceLocator()
        .getConfiguration());
    NutchBean.LOG.info("query: " + queryString);


    // execute the query
    Hits hits;
    try {
      hits = getServiceLocator().getNutchBean().search(query,
          start + hitsPerPage, hitsPerDup, dedupField, sort, reverse);
    } catch (IOException e) {
      NutchBean.LOG.warn("Search Error", e);
      hits = new Hits(0, new Hit[0]);
    }


    NutchBean.LOG.info("total hits: " + hits.getTotal());


    // generate xml results
    int end = (int) Math.min(hits.getLength(), start + hitsPerPage);
    int length = end - start;


    Hit[] show = hits.getHits(start, end - start);
    HitDetails[] details = getServiceLocator().getNutchBean().getDetails(show);
    Summary[] summaries = getServiceLocator().getNutchBean().getSummary(
        details, query);


    String requestUrl = request.getRequestURL().toString();
    String base = requestUrl.substring(0, requestUrl.lastIndexOf('/'));


    try {
      DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance();
      factory.setNamespaceAware(true);
      Document doc = factory.newDocumentBuilder().newDocument();


      Element rss = addNode(doc, doc, "rss");
      addAttribute(doc, rss, "version", "2.0");
      addAttribute(doc, rss, "xmlns:opensearch", (String) NS_MAP
          .get("opensearch"));
      addAttribute(doc, rss, "xmlns:nutch", (String) NS_MAP.get("nutch"));


      Element channel = addNode(doc, rss, "channel");


      addNode(doc, channel, "title", "Nutch: " + queryString);
      addNode(doc, channel, "description", "Nutch search results for query: "
          + queryString);
      addNode(doc, channel, "link", base + "/search.jsp" + "?query=" + urlQuery
          + "&start=" + start + "&hitsPerDup=" + hitsPerDup + params);


      addNode(doc, channel, "opensearch", "totalResults", "" + hits.getTotal());
      addNode(doc, channel, "opensearch", "startIndex", "" + start);
      addNode(doc, channel, "opensearch", "itemsPerPage", "" + hitsPerPage);


      addNode(doc, channel, "nutch", "query", queryString);


      if ((hits.totalIsExact() && end < hits.getTotal()) // more hits to show
          || (!hits.totalIsExact() && (hits.getLength() > start + hitsPerPage))) {
        addNode(doc, channel, "nutch", "nextPage", requestUrl + "?query="
            + urlQuery + "&start=" + end + "&hitsPerDup=" + hitsPerDup + params);
      }


      if ((!hits.totalIsExact() && (hits.getLength() <= start + hitsPerPage))) {
        addNode(doc, channel, "nutch", "showAllHits", requestUrl + "?query="
            + urlQuery + "&hitsPerDup=" + 0 + params);
      }


      for (int i = 0; i < length; i++) {

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    NutchBean bean = new NutchwaxBean(conf);
    
    Query query = Query.parse(args[0], conf);
    
    Hits hits = bean.search(query, 10);
    System.out.println("Total hits: " + hits.getTotal());
    
    int length = (int)Math.min(hits.getTotal(), 10);
    
    Hit[] show = hits.getHits(0, length);
    
    HitDetails[] details = bean.getDetails(show);
    
    Summary[] summaries = bean.getSummary(details, query);


    for (int i = 0; i < hits.getLength(); i++)
    {
      System.out.println(" "+i+" "+ details[i] + "\n" + summaries[i]);
    }
  }

View Full Code Here

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