Package org.apache.accumulo.core.file

Examples of org.apache.accumulo.core.file.FileSKVIterator.seek()

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  @Override
  public FileSKVIterator openReader(String file, Range range, Set<ByteSequence> columnFamilies, boolean inclusive, FileSystem fs, Configuration conf,
      AccumuloConfiguration tableConf) throws IOException {
    FileSKVIterator iter = openReader(file, false, fs, conf, tableConf, null, null);
    iter.seek(range, columnFamilies, inclusive);
    return iter;
  }
 
  @Override
  public FileSKVIterator openReader(String file, Range range, Set<ByteSequence> columnFamilies, boolean inclusive, FileSystem fs, Configuration conf,
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  @Override
  public FileSKVIterator openReader(String file, Range range, Set<ByteSequence> columnFamilies, boolean inclusive, FileSystem fs, Configuration conf,
      AccumuloConfiguration tableConf, BlockCache dataCache, BlockCache indexCache) throws IOException {
    FileSKVIterator iter = openReader(file, false, fs, conf, tableConf, dataCache, indexCache);
    iter.seek(range, columnFamilies, inclusive);
    return iter;
  }
 
  @Override
  public FileSKVWriter openWriter(String file, FileSystem fs, Configuration conf, AccumuloConfiguration acuconf) throws IOException {
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      Text row = startRow;
      if (row == null)
        row = new Text();
      while (true) {
        // log.debug(filename + " Seeking to row " + row);
        reader.seek(new Range(row, null), columnFamilies, false);
        if (!reader.hasTop()) {
          // log.debug(filename + " not found");
          break;
        }
        row = reader.getTopKey().getRow();
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      AccumuloConfiguration tableConf) throws IOException {
    MyMapFile.Reader mfIter = MapFileUtil.openMapFile(tableConf, fs, file, conf);
   
    FileSKVIterator iter = new RangeIterator(mfIter);
   
    iter.seek(range, columnFamilies, inclusive);
    mfIter.dropIndex();
   
    return iter;
  }
 
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      Text row = startRow;
      if (row == null)
        row = new Text();
      while (true) {
        // log.debug(filename + " Seeking to row " + row);
        reader.seek(new Range(row, null), columnFamilies, false);
        if (!reader.hasTop()) {
          // log.debug(filename + " not found");
          break;
        }
        row = reader.getTopKey().getRow();
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      Text row = startRow;
      if (row == null)
        row = new Text();
      while (true) {
        // log.debug(filename + " Seeking to row " + row);
        reader.seek(new Range(row, null), columnFamilies, false);
        if (!reader.hasTop()) {
          // log.debug(filename + " not found");
          break;
        }
        row = reader.getTopKey().getRow();
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    HashSet<ByteSequence> columnSet = createColumnBSS(columns);
   
    for (String file : files) {
      FileSKVIterator reader = FileOperations.getInstance().openReader(file, false, fs, fs.getConf(), aconf);
      Range range = new Range(ke.getPrevEndRow(), false, ke.getEndRow(), true);
      reader.seek(range, columnSet, columnSet.size() == 0 ? false : true);
      while (reader.hasTop() && !range.afterEndKey(reader.getTopKey())) {
        count++;
        reader.next();
      }
      reader.close();
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  @Override
  public FileSKVIterator openReader(String file, boolean seekToBeginning, FileSystem fs, Configuration conf, AccumuloConfiguration acuconf) throws IOException {
    FileSKVIterator iter = new RangeIterator(new MapFileIterator(acuconf, fs, file, conf));
   
    if (seekToBeginning)
      iter.seek(new Range(new Key(), null), new ArrayList<ByteSequence>(), false);
   
    return iter;
  }
 
  @Override
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      AccumuloConfiguration tableConf) throws IOException {
    MapFileIterator mfIter = new MapFileIterator(tableConf, fs, file, conf);
   
    FileSKVIterator iter = new RangeIterator(mfIter);
   
    iter.seek(range, columnFamilies, inclusive);
   
    return iter;
  }
 
  @Override
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  @Override
  public FileSKVIterator openReader(String file, Range range, Set<ByteSequence> columnFamilies, boolean inclusive, FileSystem fs, Configuration conf,
      AccumuloConfiguration tableConf) throws IOException {
    FileSKVIterator iter = openReader(file, false, fs, conf, tableConf, null, null);
    iter.seek(range, columnFamilies, inclusive);
    return iter;
  }
 
  @Override
  public FileSKVIterator openReader(String file, Range range, Set<ByteSequence> columnFamilies, boolean inclusive, FileSystem fs, Configuration conf,
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