Examples of org.apache.solr.search.DocIterator

org.apache.solr.search.DocIterator
Simple Iterator of document Ids which may include score information.
The order of the documents is determined by the context in which the DocIterator instance was retrieved.
@version $Id: DocIterator.java 555343 2007-07-11 17:46:25Z hossman $


    incLevel();
    boolean first=true;


    SolrIndexSearcher searcher = req.getSearcher();
    DocIterator iterator = ids.iterator();
    for (int i=0; i<sz; i++) {
      int id = iterator.nextDoc();
      Document doc = searcher.doc(id, fields);


      if (first) {
        first=false;
      } else {
        writeArraySeparator();
      }
      indent();
      writeDoc(null, doc, fields, (includeScore ? iterator.score() : 0.0f), includeScore);
    }
    decLevel();
    writeArrayCloser();


    if (otherFields !=null) {

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       searcher.readDocs(readDocs, docs, fset);
     }




    // Highlight each document
    DocIterator iterator = docs.iterator();
    for (int i = 0; i < docs.size(); i++) {
       int docId = iterator.nextDoc();
       Document doc = readDocs[i];
       NamedList docSummaries = new SimpleOrderedMap();
       for (String fieldName : fieldNames) {
          fieldName = fieldName.trim();
          String[] docTexts = doc.getValues(fieldName);

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    incLevel();
    boolean first=true;


    SolrIndexSearcher searcher = req.getSearcher();
    DocIterator iterator = ids.iterator();
    for (int i=0; i<sz; i++) {
      int id = iterator.nextDoc();
      Document doc = searcher.doc(id, fields);


      if (first) {
        first=false;
      } else {
        writeArraySeparator();
      }
      indent();
      writeDoc(null, doc, fields, (includeScore ? iterator.score() : 0.0f), includeScore);
    }
    decLevel();
    writeArrayCloser();


    if (otherFields !=null) {

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        if (includeMatch) {
          rsp.add("match", match);
        }


        // This is an iterator, but we only handle the first match
        DocIterator iterator = match.iterator();
        if (iterator.hasNext()) {
          // do a MoreLikeThis query for each document in results
          int id = iterator.nextDoc();
          mltDocs = mlt.getMoreLikeThis(id, start, rows, filters, interesting,
              flags);
        }
      } else {
        throw new SolrException(SolrException.ErrorCode.BAD_REQUEST,

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    public NamedList<DocList> getMoreLikeThese( DocList docs, int rows, int flags ) throws IOException
    {
      IndexSchema schema = searcher.getSchema();
      NamedList<DocList> mlt = new SimpleOrderedMap<DocList>();
      DocIterator iterator = docs.iterator();
      while( iterator.hasNext() ) {
        int id = iterator.nextDoc();
        
        DocListAndSet sim = getMoreLikeThis( id, 0, rows, null, null, flags );
        String name = schema.printableUniqueKey( reader.document( id ) );


        mlt.add(name, sim.docList);

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    incLevel();
    boolean first=true;


    SolrIndexSearcher searcher = req.getSearcher();
    DocIterator iterator = ids.iterator();
    for (int i=0; i<sz; i++) {
      int id = iterator.nextDoc();
      Document doc = searcher.doc(id, fields);


      if (first) {
        first=false;
      } else {
        writer.write(',');
      }
      indent();
      writeDoc(null, doc, fields, (includeScore ? iterator.score() : 0.0f), includeScore);
    }
    decLevel();
    writer.write(']');


    if (otherFields !=null) {

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      writer.write('>');
    }


    incLevel();
    SolrIndexSearcher searcher = request.getSearcher();
    DocIterator iterator = ids.iterator();
    for (int i=0; i<sz; i++) {
      int id = iterator.nextDoc();
      Document doc = searcher.doc(id, fields);
      writeDoc(null, doc, fields, (includeScore ? iterator.score() : 0.0f), includeScore);
    }
    decLevel();


    if (doIndent) indent();
    writer.write("</result>");

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          fset.add(keyField.getName());  
        searcher.readDocs(readDocs, docs, fset);
      }


      // Highlight each document
      DocIterator iterator = docs.iterator();
      for (int i = 0; i < docs.size(); i++) {
         int docId = iterator.nextDoc();
         Document doc = readDocs[i];
         NamedList docSummaries = new SimpleOrderedMap();
         for (String fieldName : fieldNames) {
            fieldName = fieldName.trim();
            String[] docTexts = doc.getValues(fieldName);

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  public void process(ResponseBuilder rb) throws IOException {


    DocList list = rb.getResults().docList;


    DocIterator it = list.iterator();


    List<Integer> docIds = new ArrayList<Integer>(list.size());


    while (it.hasNext())
      docIds.add(it.next());
    
        IndexReader reader = (IndexReader) ((SolrIndexReader) rb.req.getSearcher().getIndexReader())
        .getWrappedReader();
        
      SolrQueryRequest req = rb.req;

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    int[] docList = new int[length];
    float[] scoreList = new float[length];
    float maxScore = searchResult.maxScore();
    int matches = searchResult.matches();
    int count = 0;
    DocIterator iterator = searchResult.iterator();
    while (iterator.hasNext()) {
      int docId = iterator.nextDoc();
      float score = iterator.score();
      if (score >= cutoffScore) {
        // keep the search result only if its score is equal to or above the cutoff score
        docList[count] = docId;
        scoreList[count] = score;
        count++;

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