Package org.apache.hadoop.hbase.client

Examples of org.apache.hadoop.hbase.client.Scanner

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    }
   
    public TRowResult scannerGet(int id) throws IllegalArgument, NotFound,
        IOError {
      LOG.debug("scannerGet: id=" + id);
      Scanner scanner = getScanner(id);
      if (scanner == null) {
        throw new IllegalArgument("scanner ID is invalid");
      }
     
      RowResult results = null;
     
      try {
        results = scanner.next();
        if (results == null) {
          throw new NotFound("end of scanner reached");
        }
      } catch (IOException e) {
        throw new IOError(e.getMessage());
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    public int scannerOpen(byte[] tableName, byte[] startRow,
        List<byte[]> columns) throws IOError {
      try {
        HTable table = getTable(tableName);
        Scanner scanner = table.getScanner(columns.toArray(new byte[0][]),
            startRow);
        return addScanner(scanner);
      } catch (IOException e) {
        throw new IOError(e.getMessage());
      }
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    public int scannerOpenWithStop(byte[] tableName, byte[] startRow,
        byte[] stopRow, List<byte[]> columns) throws IOError, TException {
      try {
        HTable table = getTable(tableName);
        Scanner scanner = table.getScanner(columns.toArray(new byte[0][]),
            startRow, stopRow);
        return addScanner(scanner);
      } catch (IOException e) {
        throw new IOError(e.getMessage());
      }
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    public int scannerOpenTs(byte[] tableName, byte[] startRow,
        List<byte[]> columns, long timestamp) throws IOError, TException {
      try {
        HTable table = getTable(tableName);
        Scanner scanner = table.getScanner(columns.toArray(new byte[0][]),
            startRow, timestamp);
        return addScanner(scanner);
      } catch (IOException e) {
        throw new IOError(e.getMessage());
      }
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    public int scannerOpenWithStopTs(byte[] tableName, byte[] startRow,
        byte[] stopRow, List<byte[]> columns, long timestamp)
        throws IOError, TException {
      try {
        HTable table = getTable(tableName);
        Scanner scanner = table.getScanner(columns.toArray(new byte[0][]),
            startRow, stopRow, timestamp);
        return addScanner(scanner);
      } catch (IOException e) {
        throw new IOError(e.getMessage());
      }
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      }
    }
    public void scannerClose(int id) throws IOError, IllegalArgument {
      LOG.debug("scannerClose: id=" + id);
      Scanner scanner = getScanner(id);
      if (scanner == null) {
        throw new IllegalArgument("scanner ID is invalid");
      }
      scanner.close();
      removeScanner(id);
    }
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    }
   
    public TRowResult scannerGet(int id) throws IllegalArgument, NotFound,
        IOError {
      LOG.debug("scannerGet: id=" + id);
      Scanner scanner = getScanner(id);
      if (scanner == null) {
        throw new IllegalArgument("scanner ID is invalid");
      }
     
      RowResult results = null;
     
      try {
        results = scanner.next();
        if (results == null) {
          throw new NotFound("end of scanner reached");
        }
      } catch (IOException e) {
        throw new IOError(e.getMessage());
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        HTable table = getTable(tableName);
        byte [][] columnsText = new byte[columns.size()][];
        for (int i = 0; i < columns.size(); ++i) {
          columnsText[i] = getText(columns.get(i));
        }
        Scanner scanner = table.getScanner(columnsText,
            getText(startRow));
        return addScanner(scanner);
      } catch (IOException e) {
        throw new IOError(e.getMessage());
      }
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        HTable table = getTable(tableName);
        byte [][] columnsText = new byte[columns.size()][];
        for (int i = 0; i < columns.size(); ++i) {
          columnsText[i] = getText(columns.get(i));
        }
        Scanner scanner = table.getScanner(columnsText,
            getText(startRow), getText(stopRow));
        return addScanner(scanner);
      } catch (IOException e) {
        throw new IOError(e.getMessage());
      }
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        HTable table = getTable(tableName);
        byte [][] columnsText = new byte[columns.size()][];
        for (int i = 0; i < columns.size(); ++i) {
          columnsText[i] = getText(columns.get(i));
        }
        Scanner scanner = table.getScanner(columnsText,
            getText(startRow), timestamp);
        return addScanner(scanner);
      } catch (IOException e) {
        throw new IOError(e.getMessage());
      }
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Related Classes of org.apache.hadoop.hbase.client.Scanner

  • org.apache.hadoop.hbase.client.tableindexed.IndexedTable
  • org.apache.hadoop.hbase.client.tableindexed.TestIndexedTable
  • org.apache.hadoop.hbase.filter.TestRowFilterAfterWrite
  • org.apache.hadoop.hbase.filter.TestRowFilterOnMultipleFamilies
  • org.apache.hadoop.hbase.mapred.TestTableIndex
  • org.apache.hadoop.hbase.mapred.TestTableMapReduce
  • org.apache.hadoop.hbase.regionserver.DisabledTestRegionServerExit
  • org.apache.hadoop.hbase.regionserver.transactional.DisabledTestHLogRecovery
  • org.apache.hadoop.hbase.rest.ScannerHandler
  • org.apache.hadoop.hbase.TestEmptyMetaInfo
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