Examples of org.apache.hadoop.hbase.thrift2.generated.TDelete$TDeleteStandardScheme

Package org.apache.hadoop.hbase.thrift2.generated

Examples of org.apache.hadoop.hbase.thrift2.generated.TDelete$TDeleteStandardScheme

org.apache.hadoop.hbase.thrift2.generated.TTimeRange
Used to perform Delete operations on a single row. The scope can be further narrowed down by specifying a list of columns or column families as TColumns. Specifying only a family in a TColumn will delete the whole family. If a timestamp is specified all versions with a timestamp less than or equal to this will be deleted. If no timestamp is specified the current time will be used. Specifying a family and a column qualifier in a TColumn will delete only this qualifier. If a timestamp is specified only versions equal to this timestamp will be deleted. If no timestamp is specified the most recent version will be deleted. To delete all previous versions, specify the DELETE_COLUMNS TDeleteType. The top level timestamp is only used if a complete row should be deleted (i.e. no columns are passed) and if it is specified it works the same way as if you had added a TColumn for every column family and this timestamp (i.e. all versions older than or equal in all column families will be deleted)

    TGet get = new TGet(wrap(rowName));
    get.setMaxVersions(2);
    TResult result = handler.get(table, get);
    assertEquals(2, result.getColumnValuesSize());


    TDelete delete = new TDelete(wrap(rowName));
    List<TColumn> deleteColumns = new ArrayList<TColumn>();
    TColumn deleteColumn = new TColumn(wrap(familyAname));
    deleteColumn.setQualifier(qualifierAname);
    deleteColumns.add(deleteColumn);
    delete.setColumns(deleteColumns);
    delete.setDeleteType(TDeleteType.DELETE_COLUMNS); // This is the default anyway.


    handler.deleteSingle(table, delete);


    get = new TGet(wrap(rowName));
    result = handler.get(table, get);

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    TGet get = new TGet(wrap(rowName));
    get.setMaxVersions(2);
    TResult result = handler.get(table, get);
    assertEquals(2, result.getColumnValuesSize());


    TDelete delete = new TDelete(wrap(rowName));
    List<TColumn> deleteColumns = new ArrayList<TColumn>();
    TColumn deleteColumn = new TColumn(wrap(familyAname));
    deleteColumn.setQualifier(qualifierAname);
    deleteColumns.add(deleteColumn);
    delete.setColumns(deleteColumns);
    delete.setDeleteType(TDeleteType.DELETE_COLUMN);


    handler.deleteSingle(table, delete);


    get = new TGet(wrap(rowName));
    result = handler.get(table, get);

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    putB.setColumnValues(columnValuesB);


    // put putB so that we know whether the row has been deleted or not
    handler.put(table, putB);


    TDelete delete = new TDelete(wrap(rowName));


    assertFalse(handler.checkAndDelete(table, wrap(rowName), wrap(familyAname),
      wrap(qualifierAname), wrap(valueAname), delete));


    TGet get = new TGet(wrap(rowName));

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    TScan tScan = new TScan();
    tScan.setAttributes(attributes);
    Scan scan = scanFromThrift(tScan);
    assertArrayEquals(scan.getAttribute("attribute1"), attributeValue);


    TDelete tDelete = new TDelete(wrap(rowName));
    tDelete.setAttributes(attributes);
    Delete delete = deleteFromThrift(tDelete);
    assertArrayEquals(delete.getAttribute("attribute1"), attributeValue);
  }

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        wrap(valueBname));
    columnValuesB.add(columnValueB);
    TPut putB = new TPut(wrap(rowName), columnValuesB);
    putB.setColumnValues(columnValuesB);


    TDelete delete = new TDelete(wrap(rowName));
    List<TColumn> deleteColumns = new ArrayList<TColumn>();
    TColumn deleteColumn = new TColumn(wrap(familyAname));
    deleteColumn.setQualifier(qualifierAname);
    deleteColumns.add(deleteColumn);
    delete.setColumns(deleteColumns);


    List<TMutation> mutations = new ArrayList<TMutation>();
    TMutation mutationA = TMutation.put(putB);
    mutations.add(mutationA);

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      throw getTIOError(e);
    }
  }


  private TIOError getTIOError(IOException e) {
    TIOError err = new TIOError();
    err.setMessage(e.getMessage());
    return err;
  }

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  @Override
  public List<TResult> getScannerRows(int scannerId, int numRows) throws TIOError,
      TIllegalArgument, TException {
    ResultScanner scanner = getScanner(scannerId);
    if (scanner == null) {
      TIllegalArgument ex = new TIllegalArgument();
      ex.setMessage("Invalid scanner Id");
      throw ex;
    }


    try {
      return resultsFromHBase(scanner.next(numRows));

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    LOG.debug("scannerClose: id=" + scannerId);
    ResultScanner scanner = getScanner(scannerId);
    if (scanner == null) {
      String message = "scanner ID is invalid";
      LOG.warn(message);
      TIllegalArgument ex = new TIllegalArgument();
      ex.setMessage("Invalid scanner Id");
      throw ex;
    }
    scanner.close();
    removeScanner(scannerId);
  }

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   *
   * @return converted result, returns an empty result if the input is <code>null</code>
   */
  public static TResult resultFromHBase(Result in) {
    Cell[] raw = in.rawCells();
    TResult out = new TResult();
    byte[] row = in.getRow();
    if (row != null) {
      out.setRow(in.getRow());
    }
    List<TColumnValue> columnValues = new ArrayList<TColumnValue>();
    for (Cell kv : raw) {
      TColumnValue col = new TColumnValue();
      col.setFamily(CellUtil.cloneFamily(kv));
      col.setQualifier(CellUtil.cloneQualifier(kv));
      col.setTimestamp(kv.getTimestamp());
      col.setValue(CellUtil.cloneValue(kv));
      columnValues.add(col);
    }
    out.setColumnValues(columnValues);
    return out;
  }

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          out.addFamily(column.getFamily());
        }
      }
    }


    TTimeRange timeRange = in.getTimeRange();
    if (timeRange != null &&
        timeRange.isSetMinStamp() && timeRange.isSetMaxStamp()) {
      out.setTimeRange(timeRange.getMinStamp(), timeRange.getMaxStamp());
    }


    if (in.isSetBatchSize()) {
      out.setBatch(in.getBatchSize());
    }

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