Package org.apache.accumulo.core.data

Examples of org.apache.accumulo.core.data.Range

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    long startTime = endTime - minutes * 60 * 1000;
    Scanner scanner = getScanner(sb);
    if (scanner == null) {
      return;
    }
    Range range = new Range(new Text("start:" + Long.toHexString(startTime)), new Text("start:" + Long.toHexString(endTime)));
    scanner.setRange(range);
    Table trace = new Table("trace", "Traces for " + getType(req));
    trace.addSortableColumn("Start", new ShowTraceLinkType(), "Start Time");
    trace.addSortableColumn("ms", new DurationType(), "Span time");
    trace.addUnsortableColumn("Source", new StringType<String>(), "Service and location");
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    IteratorSetting is = new IteratorSetting(1, RegExFilter.class);
    RegExFilter.setRegexs(is, ".*2", null, null, null, false);

    assertTrue(rei.validateOptions(is.getOptions()));
    rei.init(new SortedMapIterator(tm), is.getOptions(), new DefaultIteratorEnvironment());
    rei.seek(new Range(), EMPTY_COL_FAMS, false);

    assertTrue(rei.hasTop());
    assertTrue(rei.getTopKey().equals(k3));
    rei.next();
    assertFalse(rei.hasTop());

    // -----------------------------------------------------
    // Test substring regex
    is.clearOptions();

    RegExFilter.setRegexs(is, null, null, null, "amst", false, true); // Should only match hamster

    rei.validateOptions(is.getOptions());
    rei.init(new SortedMapIterator(tm), is.getOptions(), new DefaultIteratorEnvironment());
    rei.seek(new Range(), EMPTY_COL_FAMS, false);

    assertTrue(rei.hasTop());
    assertTrue(rei.getTopKey().equals(k3));
    rei.next();
    assertFalse(rei.hasTop());

    // -----------------------------------------------------
    is.clearOptions();

    RegExFilter.setRegexs(is, null, "ya.*", null, null, false);
    assertTrue(rei.validateOptions(is.getOptions()));
    rei.init(new SortedMapIterator(tm), is.getOptions(), new DefaultIteratorEnvironment());
    rei.seek(new Range(), EMPTY_COL_FAMS, false);

    assertTrue(rei.hasTop());
    assertTrue(rei.getTopKey().equals(k2));
    rei.next();
    assertFalse(rei.hasTop());

    // -----------------------------------------------------
    is.clearOptions();

    RegExFilter.setRegexs(is, null, null, ".*01", null, false);
    assertTrue(rei.validateOptions(is.getOptions()));
    rei.init(new SortedMapIterator(tm), is.getOptions(), new DefaultIteratorEnvironment());
    rei.seek(new Range(), EMPTY_COL_FAMS, false);

    assertTrue(rei.hasTop());
    assertTrue(rei.getTopKey().equals(k1));
    rei.next();
    assertFalse(rei.hasTop());

    // -----------------------------------------------------
    is.clearOptions();

    RegExFilter.setRegexs(is, null, null, null, ".*at", false);
    assertTrue(rei.validateOptions(is.getOptions()));
    rei.init(new SortedMapIterator(tm), is.getOptions(), new DefaultIteratorEnvironment());
    rei.seek(new Range(), EMPTY_COL_FAMS, false);

    assertTrue(rei.hasTop());
    assertTrue(rei.getTopKey().equals(k2));
    rei.next();
    assertFalse(rei.hasTop());

    // -----------------------------------------------------
    is.clearOptions();

    RegExFilter.setRegexs(is, null, null, null, ".*ap", false);
    rei.init(new SortedMapIterator(tm), is.getOptions(), new DefaultIteratorEnvironment());
    rei.seek(new Range(), EMPTY_COL_FAMS, false);

    assertFalse(rei.hasTop());

    // -----------------------------------------------------
    is.clearOptions();

    RegExFilter.setRegexs(is, null, "ya.*", null, ".*at", false);
    rei.init(new SortedMapIterator(tm), is.getOptions(), new DefaultIteratorEnvironment());
    rei.seek(new Range(), EMPTY_COL_FAMS, false);

    assertTrue(rei.hasTop());
    assertTrue(rei.getTopKey().equals(k2));
    rei.next();
    assertFalse(rei.hasTop());

    // -----------------------------------------------------
    is.clearOptions();

    RegExFilter.setRegexs(is, null, "ya.*", null, ".*ap", false);
    rei.init(new SortedMapIterator(tm), is.getOptions(), new DefaultIteratorEnvironment());
    rei.seek(new Range(), EMPTY_COL_FAMS, false);

    assertFalse(rei.hasTop());

    // -----------------------------------------------------
    is.clearOptions();

    RegExFilter.setRegexs(is, "boo1", null, null, null, false);
    rei.init(new SortedMapIterator(tm), is.getOptions(), new DefaultIteratorEnvironment());
    rei.seek(new Range(), EMPTY_COL_FAMS, false);

    assertTrue(rei.hasTop());
    assertTrue(rei.getTopKey().equals(k2));
    rei.next();
    assertTrue(rei.hasTop());
    assertTrue(rei.getTopKey().equals(k1));
    rei.next();
    assertFalse(rei.hasTop());

    // -----------------------------------------------------
    is.clearOptions();

    rei.init(new SortedMapIterator(tm), is.getOptions(), new DefaultIteratorEnvironment());
    rei.seek(new Range(), EMPTY_COL_FAMS, false);

    assertTrue(rei.hasTop());
    assertTrue(rei.getTopKey().equals(k2));
    rei.next();
    assertTrue(rei.hasTop());
    assertTrue(rei.getTopKey().equals(k1));
    rei.next();
    assertTrue(rei.hasTop());
    assertTrue(rei.getTopKey().equals(k3));
    rei.next();
    assertFalse(rei.hasTop());

    // -----------------------------------------------------
    is.clearOptions();

    RegExFilter.setRegexs(is, "hamster", null, "hamster", "hamster", true);
    rei.init(new SortedMapIterator(tm), is.getOptions(), new DefaultIteratorEnvironment());
    rei.seek(new Range(), EMPTY_COL_FAMS, false);

    assertTrue(rei.hasTop());
    assertTrue(rei.getTopKey().equals(k3));
    rei.next();
    assertFalse(rei.hasTop());

    // -----------------------------------------------------
    is.clearOptions();

    RegExFilter.setRegexs(is, null, "ya.*", "hamster", null, true);
    rei.init(new SortedMapIterator(tm), is.getOptions(), new DefaultIteratorEnvironment());
    rei.seek(new Range(), EMPTY_COL_FAMS, false);

    assertTrue(rei.hasTop());
    assertTrue(rei.getTopKey().equals(k2));
    rei.next();
    assertFalse(rei.hasTop());

    is.clearOptions();

    RegExFilter.setRegexs(is, null, "ya.*", "hamster", null, true);
    rei.init(new SortedMapIterator(tm), is.getOptions(), new DefaultIteratorEnvironment());
    rei.seek(new Range(), EMPTY_COL_FAMS, false);
    rei.deepCopy(new DefaultIteratorEnvironment());

    // -----------------------------------------------------
    String multiByteText = new String("\u6d67" + "\u6F68" + "\u7067");
    String multiByteRegex = new String(".*" + "\u6F68" + ".*");

    Key k4 = new Key("boo4".getBytes(), "hoo".getBytes(), "20080203".getBytes(), "".getBytes(), 1l);
    Value inVal = new Value(multiByteText.getBytes("UTF-8"));
    tm.put(k4, inVal);

    is.clearOptions();

    RegExFilter.setRegexs(is, null, null, null, multiByteRegex, true);
    rei.init(new SortedMapIterator(tm), is.getOptions(), new DefaultIteratorEnvironment());
    rei.seek(new Range(), EMPTY_COL_FAMS, false);

    assertTrue(rei.hasTop());
    Value outValue = rei.getTopValue();
    String outVal = new String(outValue.get(), "UTF-8");
    assertTrue(outVal.equals(multiByteText));
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    Text row = extent.getMetadataEntry();

    Key endKey = new Key(row, Constants.METADATA_DATAFILE_COLUMN_FAMILY, new Text(""));
    endKey = endKey.followingKey(PartialKey.ROW_COLFAM);

    mdScanner.setRange(new Range(new Key(row), endKey));
    for (Entry<Key,Value> entry : mdScanner) {

      if (!entry.getKey().getRow().equals(row))
        break;
      DataFileValue dfv = new DataFileValue(entry.getValue().get());
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    // check to see if prev tablet exist in metadata tablet
    Key prevRowKey = new Key(new Text(KeyExtent.getMetadataEntry(table, metadataPrevEndRow)));

    ScannerImpl scanner2 = new ScannerImpl(HdfsZooInstance.getInstance(), credentials, Constants.METADATA_TABLE_ID, Constants.NO_AUTHS);
    scanner2.setRange(new Range(prevRowKey, prevRowKey.followingKey(PartialKey.ROW)));

    if (!scanner2.iterator().hasNext()) {
      log.info("Rolling back incomplete split " + metadataEntry + " " + metadataPrevEndRow);
      rollBackSplit(metadataEntry, KeyExtent.decodePrevEndRow(oper), credentials, lock);
      return new KeyExtent(metadataEntry, KeyExtent.decodePrevEndRow(oper));
    } else {
      log.info("Finishing incomplete split " + metadataEntry + " " + metadataPrevEndRow);

      List<String> highDatafilesToRemove = new ArrayList<String>();

      Scanner scanner3 = new ScannerImpl(HdfsZooInstance.getInstance(), credentials, Constants.METADATA_TABLE_ID, Constants.NO_AUTHS);
      Key rowKey = new Key(metadataEntry);
     
      SortedMap<String,DataFileValue> origDatafileSizes = new TreeMap<String,DataFileValue>();
      SortedMap<String,DataFileValue> highDatafileSizes = new TreeMap<String,DataFileValue>();
      SortedMap<String,DataFileValue> lowDatafileSizes = new TreeMap<String,DataFileValue>();
      scanner3.fetchColumnFamily(Constants.METADATA_DATAFILE_COLUMN_FAMILY);
      scanner3.setRange(new Range(rowKey, rowKey.followingKey(PartialKey.ROW)));
     
      for (Entry<Key,Value> entry : scanner3) {
        if (entry.getKey().compareColumnFamily(Constants.METADATA_DATAFILE_COLUMN_FAMILY) == 0) {
          origDatafileSizes.put(entry.getKey().getColumnQualifier().toString(), new DataFileValue(entry.getValue().get()));
        }
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    Scanner scanner = new ScannerImpl(HdfsZooInstance.getInstance(), credentials, Constants.METADATA_TABLE_ID, Constants.NO_AUTHS);
    scanner.fetchColumnFamily(Constants.METADATA_LOG_COLUMN_FAMILY);
    Text start = extent.getMetadataEntry();
    Key endKey = new Key(start, Constants.METADATA_LOG_COLUMN_FAMILY);
    endKey = endKey.followingKey(PartialKey.ROW_COLFAM);
    scanner.setRange(new Range(new Key(start), endKey));
    return scanner;
  }
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  public static Map<String,Long> getBulkFilesLoaded(TCredentials credentials, Text metadataRow) {
   
    Map<String,Long> ret = new HashMap<String,Long>();

    Scanner scanner = new ScannerImpl(HdfsZooInstance.getInstance(), credentials, Constants.METADATA_TABLE_ID, Constants.NO_AUTHS);
    scanner.setRange(new Range(metadataRow));
    scanner.fetchColumnFamily(Constants.METADATA_BULKFILE_COLUMN_FAMILY);
    for (Entry<Key,Value> entry : scanner) {
      String file = entry.getKey().getColumnQualifier().toString();
      Long tid = Long.parseLong(entry.getValue().toString());
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   * During an upgrade from Accumulo 1.4 -> 1.5, we need to move deletion requests for files under the !METADATA table to the root tablet.
   */
  public static void moveMetaDeleteMarkers(Instance instance, TCredentials creds) {
    // move delete markers from the normal delete keyspace to the root tablet delete keyspace if the files are for the !METADATA table
    Scanner scanner = new ScannerImpl(instance, creds, Constants.METADATA_TABLE_ID, Constants.NO_AUTHS);
    scanner.setRange(new Range(Constants.METADATA_DELETES_KEYSPACE));
    for (Entry<Key,Value> entry : scanner) {
      String row = entry.getKey().getRow().toString();
      if (row.startsWith(Constants.METADATA_DELETE_FLAG_PREFIX + "/" + Constants.METADATA_TABLE_ID)) {
        String filename = row.substring(Constants.METADATA_DELETE_FLAG_PREFIX.length());
        // add the new entry first
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        values.clear();
       
        long t1 = System.currentTimeMillis();
        Span span = Trace.on("walk");
        try {
          scanner.setRange(new Range(new Text(row)));
          for (Entry<Key,Value> entry : scanner) {
            validate(entry.getKey(), entry.getValue());
            values.add(entry.getValue());
          }
        } finally {
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  }
 
  private static String findAStartRow(long min, long max, Scanner scanner, Random r) {
   
    byte[] scanStart = ContinuousIngest.genRow(min, max, r);
    scanner.setRange(new Range(new Text(scanStart), null));
    scanner.setBatchSize(100);
   
    int count = 0;
    String pr = null;
   
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      }
    } else {
      expectedEndIntKey = new IntKey(ROW_LIMIT, 0, 0, 0);
    }
   
    Range range = new Range(key1, inclusive1, key2, inclusive2);
   
    scanner.setRange(range);
   
    for (Entry<Key,Value> entry : scanner) {
     
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Related Classes of org.apache.accumulo.core.data.Range

  • org.apache.accumulo.core.client.admin.FindMax
  • org.apache.accumulo.core.client.impl.OfflineIterator
  • org.apache.accumulo.core.client.impl.OfflineScanner
  • org.apache.accumulo.core.client.impl.TabletLocatorImplTest
  • org.apache.accumulo.core.client.impl.TabletServerBatchReaderIterator
  • org.apache.accumulo.core.client.impl.ThriftScanner
  • org.apache.accumulo.core.client.mapred.InputFormatBase
  • org.apache.accumulo.core.client.mapred.RangeInputSplitTest
  • org.apache.accumulo.core.client.mapreduce.AccumuloInputFormat
  • org.apache.accumulo.core.client.mapreduce.InputFormatBase
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