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.TDelete
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)

    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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    TIncrement tIncrement = new TIncrement(wrap(rowName), incrementColumns);
    tIncrement.setAttributes(attributes);
    Increment increment = incrementFromThrift(tIncrement);
    assertArrayEquals(increment.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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    columnValues.add(new TColumnValue(wrap(familyAname), wrap(qualifierAname), wrap(valueAname)));


    List<TColumnIncrement> incrementColumns = new ArrayList<TColumnIncrement>();
    incrementColumns.add(new TColumnIncrement(wrap(familyAname), wrap(qualifierAname)));


    TDelete tDelete = new TDelete(wrap(rowName));
    tDelete.setDurability(TDurability.SKIP_WAL);
    Delete delete = deleteFromThrift(tDelete);
    assertEquals(delete.getDurability(), Durability.SKIP_WAL);


    tDelete.setDurability(TDurability.ASYNC_WAL);
    delete = deleteFromThrift(tDelete);
    assertEquals(delete.getDurability(), Durability.ASYNC_WAL);


    tDelete.setDurability(TDurability.SYNC_WAL);
    delete = deleteFromThrift(tDelete);
    assertEquals(delete.getDurability(), Durability.SYNC_WAL);


    tDelete.setDurability(TDurability.FSYNC_WAL);
    delete = deleteFromThrift(tDelete);
    assertEquals(delete.getDurability(), Durability.FSYNC_WAL);


    TPut tPut = new TPut(wrap(rowName), columnValues);
    tPut.setDurability(TDurability.SKIP_WAL);

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    }
    return out;
  }


  public static TDelete deleteFromHBase(Delete in) {
    TDelete out = new TDelete(ByteBuffer.wrap(in.getRow()));


    List<TColumn> columns = new ArrayList<TColumn>();
    long rowTimestamp = in.getTimeStamp();
    if (rowTimestamp != HConstants.LATEST_TIMESTAMP) {
      out.setTimestamp(rowTimestamp);
    }


    // Map<family, List<KeyValue>>
    for (Map.Entry<byte[], List<org.apache.hadoop.hbase.Cell>> familyEntry:
        in.getFamilyCellMap().entrySet()) {
      TColumn column = new TColumn(ByteBuffer.wrap(familyEntry.getKey()));
      for (org.apache.hadoop.hbase.Cell cell: familyEntry.getValue()) {
        KeyValue kv = KeyValueUtil.ensureKeyValue(cell);
        byte[] family = kv.getFamily();
        byte[] qualifier = kv.getQualifier();
        long timestamp = kv.getTimestamp();
        if (family != null) {
          column.setFamily(family);
        }
        if (qualifier != null) {
          column.setQualifier(qualifier);
        }
        if (timestamp != HConstants.LATEST_TIMESTAMP) {
          column.setTimestamp(kv.getTimestamp());
        }
      }
      columns.add(column);
    }
    out.setColumns(columns);


    return out;
  }

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    puts.add(new TPut(wrap(rowName2), columnValues));


    handler.putMultiple(table, puts);


    List<TDelete> deletes = new ArrayList<TDelete>();
    deletes.add(new TDelete(wrap(rowName1)));
    deletes.add(new TDelete(wrap(rowName2)));


    List<TDelete> deleteResults = handler.deleteMultiple(table, deletes);
    // 0 means they were all successfully applies
    assertEquals(0, deleteResults.size());

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    put.setColumnValues(columnValues);


    handler.put(table, put);


    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);


    handler.deleteSingle(table, delete);


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