Examples of org.apache.accumulo.core.data.Key.followingKey()

org.apache.accumulo.core.data.Key.followingKey()
Returns a key that will sort immediately after this key. @param part PartialKey except {@link PartialKey#ROW_COLFAM_COLQUAL_COLVIS_TIME_DEL}

    
    // 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, MetadataTable.ID, Authorizations.EMPTY);
    scanner2.setRange(new Range(prevRowKey, prevRowKey.followingKey(PartialKey.ROW)));
    
    VolumeManager fs = VolumeManagerImpl.get();
    if (!scanner2.iterator().hasNext()) {
      log.info("Rolling back incomplete split " + metadataEntry + " " + metadataPrevEndRow);
      MetadataTableUtil.rollBackSplit(metadataEntry, KeyExtent.decodePrevEndRow(oper), credentials, lock);

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      SortedMap<FileRef,DataFileValue> origDatafileSizes = new TreeMap<FileRef,DataFileValue>();
      SortedMap<FileRef,DataFileValue> highDatafileSizes = new TreeMap<FileRef,DataFileValue>();
      SortedMap<FileRef,DataFileValue> lowDatafileSizes = new TreeMap<FileRef,DataFileValue>();
      scanner3.fetchColumnFamily(DataFileColumnFamily.NAME);
      scanner3.setRange(new Range(rowKey, rowKey.followingKey(PartialKey.ROW)));
      
      for (Entry<Key,Value> entry : scanner3) {
        if (entry.getKey().compareColumnFamily(DataFileColumnFamily.NAME) == 0) {
          origDatafileSizes.put(new FileRef(fs, entry.getKey()), new DataFileValue(entry.getValue().get()));
        }

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        Text colq = new Text("col_" + String.format("%07d", expectedCol));


        Scanner scanner = connector.createScanner("test_ingest", labelAuths);
        scanner.setBatchSize(1);
        Key startKey = new Key(rowKey, colf, colq);
        Range range = new Range(startKey, startKey.followingKey(PartialKey.ROW_COLFAM_COLQUAL));
        scanner.setRange(range);


        byte[] val = null; // t.get(rowKey, column);


        Iterator<Entry<Key,Value>> iter = scanner.iterator();

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        else {
          sourceKey = buildKey(getPartition(range.getStartKey()), (sources[i].dataLocation == null) ? nullText : sources[i].dataLocation,
              (sources[i].term == null) ? nullText : sources[i].term);
        }
        if (!range.isStartKeyInclusive())
          sourceKey = sourceKey.followingKey(PartialKey.ROW_COLFAM_COLQUAL);
        sources[i].iter.seek(new Range(sourceKey, true, null, false), seekColumnFamilies, inclusive);
      } else {
        sources[i].iter.seek(range, seekColumnFamilies, inclusive);
      }
    }

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    mdScanner.setRange(Constants.METADATA_KEYSPACE);
    mdScanner.fetchColumnFamily(Constants.METADATA_DATAFILE_COLUMN_FAMILY);
    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))

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    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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    // 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.debug("Prev tablet " + prevRowKey + " does not exist, need to create it " + metadataPrevEndRow + " " + prevPrevEndRow + " " + splitRatio);
      Map<String,Long> bulkFiles = getBulkFilesLoaded(credentials, metadataEntry);
      MetadataTable.addNewTablet(low, lowDirectory, tserver, lowDatafileSizes, bulkFiles, credentials, time, initFlushID, initCompactID, lock);

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  private static Scanner getTabletLogScanner(AuthInfo credentials, KeyExtent extent) {
    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;
  }
  
  static class LogEntryIterator implements Iterator<LogEntry> {

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    Authorizations authorizations = cl.hasOption(selectOptAuths.getOpt()) ? CreateUserCommand.parseAuthorizations(cl.getOptionValue(selectOptAuths.getOpt()))
        : Constants.NO_AUTHS;
    Scanner scanner = shellState.getConnector().createScanner(tableName.toString(), authorizations);
    
    Key key = new Key(new Text(cl.getArgs()[0]), new Text(cl.getArgs()[1]), new Text(cl.getArgs()[2]));
    scanner.setRange(new Range(key, key.followingKey(PartialKey.ROW_COLFAM_COLQUAL)));
    
    // output the records
    shellState.printRecords(scanner, cl.hasOption(timestampOpt.getOpt()), !cl.hasOption(disablePaginationOpt.getOpt()));
    
    return 0;

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    // clip caught the scanner going to a tablet passed the end of the scan range
    Range fence = new Range(new Text("10<"), false, new Text("~"), true);
    
    Key k1 = new Key(new Text("10<"), new Text("~tab"), new Text("~pr"));
    Range range = new Range(k1, true, k1.followingKey(PartialKey.ROW), false);
    
    runClipTest(fence, range);
    
    // scanner was not handling edge case properly...
    Range scanRange = new Range(new Key("10;007cdc5b0".getBytes(), "~tab".getBytes(), "~pr".getBytes(), "".getBytes(), 130962, false), false, new Key(new Text(

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