Package org.apache.accumulo.core.data

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

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  @Override
  public void seek(Range range, Collection<ByteSequence> columnFamilies, boolean inclusive) throws IOException {
    // do not want to seek to the middle of a value that should be combined...

    Range seekRange = IteratorUtil.maximizeStartKeyTimeStamp(range);

    super.seek(seekRange, columnFamilies, inclusive);
    findTop();

    if (range.getStartKey() != null) {
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    // position at first entry in metadata table for given table
    KeyExtent ke = new KeyExtent(new Text(tableId), new Text(), null);
    Key startKey = new Key(ke.getMetadataEntry());
    ke = new KeyExtent(new Text(tableId), null, null);
    Key endKey = new Key(ke.getMetadataEntry()).followingKey(PartialKey.ROW);
    scanner.setRange(new Range(startKey, endKey));
   
    Text colf = new Text();
    Text colq = new Text();
   
    KeyExtent currentKeyExtent = null;
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  public static class TRangeTranslator extends Translator<TRange,Range> {
   
    @Override
    public Range translate(TRange input) {
      return new Range(input);
    }
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      throw new IllegalArgumentException("Options -" + scanOptRow.getOpt() + " AND (-" + OptUtil.START_ROW_OPT + " OR -" + OptUtil.END_ROW_OPT
          + ") are mutally exclusive ");
    }
   
    if (cl.hasOption(scanOptRow.getOpt())) {
      return new Range(formatter.interpretRow(new Text(cl.getOptionValue(scanOptRow.getOpt()).getBytes(Shell.CHARSET))));
    } else {
      Text startRow = OptUtil.getStartRow(cl);
      if (startRow != null)
        startRow = formatter.interpretBeginRow(startRow);
      Text endRow = OptUtil.getEndRow(cl);
      if (endRow != null)
        endRow = formatter.interpretEndRow(endRow);
      final boolean startInclusive = !cl.hasOption(optStartRowExclusive.getOpt());
      final boolean endInclusive = !cl.hasOption(optEndRowExclusive.getOpt());
      return new Range(startRow, startInclusive, endRow, endInclusive);
    }
  }
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    }
    return prev;
  }
 
  public static Range maximizeStartKeyTimeStamp(Range range) {
    Range seekRange = range;
   
    if (range.getStartKey() != null && range.getStartKey().getTimestamp() != Long.MAX_VALUE) {
      Key seekKey = new Key(seekRange.getStartKey());
      seekKey.setTimestamp(Long.MAX_VALUE);
      seekRange = new Range(seekKey, true, range.getEndKey(), range.isEndKeyInclusive());
    }
   
    return seekRange;
  }
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    return seekRange;
  }
 
  public static Range minimizeEndKeyTimeStamp(Range range) {
    Range seekRange = range;
   
    if (range.getEndKey() != null && range.getEndKey().getTimestamp() != Long.MIN_VALUE) {
      Key seekKey = new Key(seekRange.getEndKey());
      seekKey.setTimestamp(Long.MIN_VALUE);
      seekRange = new Range(range.getStartKey(), range.isStartKeyInclusive(), seekKey, true);
    }
   
    return seekRange;
  }
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        final Scanner scanner = shellState.getConnector().createScanner(Constants.METADATA_TABLE_NAME, Constants.NO_AUTHS);
        Constants.METADATA_PREV_ROW_COLUMN.fetch(scanner);
        final Text start = new Text(shellState.getConnector().tableOperations().tableIdMap().get(tableName));
        final Text end = new Text(start);
        end.append(new byte[] {'<'}, 0, 1);
        scanner.setRange(new Range(start, end));
        for (Iterator<Entry<Key,Value>> iterator = scanner.iterator(); iterator.hasNext();) {
          final Entry<Key,Value> next = iterator.next();
          if (Constants.METADATA_PREV_ROW_COLUMN.hasColumns(next.getKey())) {
            KeyExtent extent = new KeyExtent(next.getKey().getRow(), next.getValue());
            final String pr = encode(encode, extent.getPrevEndRow());
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            scanner.addScanIterator(is);
          }
        }
        org.apache.accumulo.proxy.thrift.Range prange = opts.range;
        if (prange != null) {
          Range range = new Range(Util.fromThrift(prange.getStart()), prange.startInclusive, Util.fromThrift(prange.getStop()), prange.stopInclusive);
          scanner.setRange(range);
        }
        if (opts.columns != null) {
          for (ScanColumn col : opts.columns) {
            if (col.isSetColQualifier())
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        }
       
        ArrayList<Range> ranges = new ArrayList<Range>();
       
        if (opts.ranges == null) {
          ranges.add(new Range());
        } else {
          for (org.apache.accumulo.proxy.thrift.Range range : opts.ranges) {
            Range aRange = new Range(range.getStart() == null ? null : Util.fromThrift(range.getStart()), true, range.getStop() == null ? null
                : Util.fromThrift(range.getStop()), false);
            ranges.add(aRange);
          }
        }
        scanner.setRanges(ranges);
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    result.setTimestamp(k.getTimestamp());
    return result;
  }
 
  private Range getRange(org.apache.accumulo.proxy.thrift.Range range) {
    return new Range(Util.fromThrift(range.start), Util.fromThrift(range.stop));
  }
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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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