Package org.apache.accumulo.core.client

Examples of org.apache.accumulo.core.client.BatchScanner.addScanIterator()

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    log.debug("Looking up terms " + searchTerms + " expect to find " + docID);
   
    BatchScanner bs = state.getConnector().createBatchScanner(indexTableName, Constants.NO_AUTHS, 10);
    IteratorSetting ii = new IteratorSetting(20, "ii", IntersectingIterator.class);
    IntersectingIterator.setColumnFamilies(ii, columns);
    bs.addScanIterator(ii);
    bs.setRanges(Collections.singleton(new Range()));
   
    boolean sawDocID = false;
   
    for (Entry<Key,Value> entry2 : bs) {
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      try {
        bs.setRanges(Collections.singleton(Constants.NON_ROOT_METADATA_KEYSPACE));
        bs.fetchColumnFamily(Constants.METADATA_DATAFILE_COLUMN_FAMILY);
        IteratorSetting cfg = new IteratorSetting(40, "grep", GrepIterator.class);
        GrepIterator.setTerm(cfg, "../" + tableId + "/");
        bs.addScanIterator(cfg);
       
        for (Entry<Key,Value> entry : bs) {
          if (entry.getKey().getColumnQualifier().toString().startsWith("../" + tableId + "/")) {
            refCount++;
          }
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    }
   
    BatchScanner bs = state.getConnector().createBatchScanner(indexTableName, Constants.NO_AUTHS, 16);
    IteratorSetting ii = new IteratorSetting(20, "ii", IntersectingIterator.class.getName());
    IntersectingIterator.setColumnFamilies(ii, words);
    bs.addScanIterator(ii);
    bs.setRanges(Collections.singleton(new Range()));
   
    HashSet<Text> documentsFoundInIndex = new HashSet<Text>();
   
    for (Entry<Key,Value> entry2 : bs) {
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    bs = state.getConnector().createBatchScanner(dataTableName, Constants.NO_AUTHS, 16);
   
    for (int i = 0; i < words.length; i++) {
      IteratorSetting more = new IteratorSetting(20 + i, "ii" + i, RegExFilter.class);
      RegExFilter.setRegexs(more, null, null, null, "(^|(.*\\s))" + words[i] + "($|(\\s.*))", false);
      bs.addScanIterator(more);
    }
   
    bs.setRanges(Collections.singleton(new Range()));
   
    HashSet<Text> documentsFoundByGrep = new HashSet<Text>();
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      if (opts != null) {
        if (opts.iterators != null) {
          for (org.apache.accumulo.proxy.thrift.IteratorSetting iter : opts.iterators) {
            IteratorSetting is = new IteratorSetting(iter.getPriority(), iter.getName(), iter.getIteratorClass(), iter.getProperties());
            scanner.addScanIterator(is);
          }
        }
       
        ArrayList<Range> ranges = new ArrayList<Range>();
       
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      try {
        bs.setRanges(Collections.singleton(Constants.NON_ROOT_METADATA_KEYSPACE));
        bs.fetchColumnFamily(Constants.METADATA_DATAFILE_COLUMN_FAMILY);
        IteratorSetting cfg = new IteratorSetting(40, "grep", GrepIterator.class);
        GrepIterator.setTerm(cfg, "../" + tableId + "/");
        bs.addScanIterator(cfg);
       
        for (Entry<Key,Value> entry : bs) {
          if (entry.getKey().getColumnQualifier().toString().startsWith("../" + tableId + "/")) {
            refCount++;
          }
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    bw.close();
   
    BatchScanner bs = connector.createBatchScanner("index", Constants.NO_AUTHS, 10);
    IteratorSetting ii = new IteratorSetting(20, IntersectingIterator.class);
    IntersectingIterator.setColumnFamilies(ii, new Text[] {new Text("rvy"), new Text("15qh")});
    bs.addScanIterator(ii);
    bs.setRanges(Collections.singleton(new Range()));
    Iterator<Entry<Key,Value>> iterator = bs.iterator();
    Assert.assertTrue(iterator.hasNext());
    Entry<Key,Value> next = iterator.next();
    Key key = next.getKey();
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            if (log.isDebugEnabled())
              log.debug("Setting scan option: " + EvaluatingIterator.UNEVALUTED_EXPRESSIONS + " to " + unevaluatedExpressionList.toString());
            si.addOption(EvaluatingIterator.UNEVALUTED_EXPRESSIONS, unevaluatedExpressionList.toString());
          }
         
          bs.addScanIterator(si);
         
          processResults.start();
          processResults.suspend();
          long count = 0;
          for (Entry<Key,Value> entry : bs) {
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          }
          if (log.isDebugEnabled())
            log.debug("Setting colf regex iterator to: " + buf.toString());
          IteratorSetting ri = new IteratorSetting(21, "typeFilter", RegExFilter.class);
          RegExFilter.setRegexs(ri, null, buf.toString(), null, null, false);
          bs.addScanIterator(ri);
        }
        if (log.isDebugEnabled()) {
          log.debug("Setting scan option: " + EvaluatingIterator.QUERY_OPTION + " to " + queryString);
        }
        si.addOption(EvaluatingIterator.QUERY_OPTION, queryString);
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          }
          if (log.isDebugEnabled())
            log.debug("Setting scan option: " + EvaluatingIterator.UNEVALUTED_EXPRESSIONS + " to " + unevaluatedExpressionList.toString());
          si.addOption(EvaluatingIterator.UNEVALUTED_EXPRESSIONS, unevaluatedExpressionList.toString());
        }
        bs.addScanIterator(si);
        long count = 0;
        processResults.start();
        processResults.suspend();
        for (Entry<Key,Value> entry : bs) {
          count++;
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