Package co.cask.cdap.api.dataset.table

Examples of co.cask.cdap.api.dataset.table.Result

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        index.put(createIndexKey(row, columns[i], updatedValues[i]), IDX_COL, row);
      }
    }

    table.put(row, columns, updatedValues);
    return new Result(row, result);
  }
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              case INCLUDE: {
                break;
              }
            }
          }
          return new Result(result.getFirst(), result.getSecond());
        }
      } catch (Exception e) {
        throw Throwables.propagate(e);
      }
    }
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        currentRow = persistedScanner.next();
      } else if (order < 0) {
        // buffer row comes first or persisted scanner is empty
        Map<byte[], byte[]> persistedRow = Maps.newTreeMap(Bytes.BYTES_COMPARATOR);
        mergeToPersisted(persistedRow, buffer.get(currentKey), null);
        result = new Result(copy(currentKey), persistedRow);

        currentKey = keyIter.hasNext() ? keyIter.next() : null;
      } else {
        // if currentKey and currentRow are equal, merge and advance both
        Map<byte[], byte[]> persisted = currentRow.getColumns();
        mergeToPersisted(persisted, buffer.get(currentKey), null);
        result = new Result(currentRow.getRow(), persisted);

        currentRow = persistedScanner.next();
        currentKey = keyIter.hasNext() ? keyIter.next() : null;
      }
      return result;
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        }
      }
    }
    if (columns.size() > 0) {
      assert rowEntry != null;
      return new Result(rowEntry.getKey(), columns);
    } else {
      return null;
    }
  }
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  }

  @Override
  public Row get(byte[] row, byte[][] columns) {
    try {
      return new Result(row, table.get(row, columns));
    } catch (Exception e) {
      LOG.debug("get failed for table: " + getTransactionAwareName() + ", row: " + Bytes.toStringBinary(row), e);
      throw new DataSetException("get failed", e);
    }
  }
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  }

  @Override
  public Row get(byte[] row) {
    try {
      return new Result(row, table.get(row));
    } catch (Exception e) {
      LOG.debug("get failed for table: " + getTransactionAwareName() + ", row: " + Bytes.toStringBinary(row), e);
      throw new DataSetException("get failed", e);
    }
  }
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  }

  @Override
  public Row get(byte[] row, byte[] startColumn, byte[] stopColumn, int limit) {
    try {
      return new Result(row, table.get(row, startColumn, stopColumn, limit));
    } catch (Exception e) {
      LOG.debug("get failed for table: " + getTransactionAwareName() + ", row: " + Bytes.toStringBinary(row), e);
      throw new DataSetException("get failed", e);
    }
  }
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    } catch (Exception e) {
      LOG.debug("increment failed for table: " + getTransactionAwareName() + ", row: " + Bytes.toStringBinary(row), e);
      throw new DataSetException("increment failed", e);
    }
    // todo: define IncrementResult to make it more efficient
    return new Result(row, Maps.transformValues(incResult, new Function<Long, byte[]>() {
      @Nullable
      @Override
      public byte[] apply(@Nullable Long input) {
        return input == null ? null : Bytes.toBytes(input);
      }
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      return this.key;
    }

    @Override
    public Row getCurrentValue() throws InterruptedException {
      return new Result(this.key, this.row);
    }
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Related Classes of co.cask.cdap.api.dataset.table.Result

  • co.cask.cdap.api.dataset.lib.IndexedTable
  • co.cask.cdap.data2.dataset2.lib.table.inmemory.InMemoryScanner
  • co.cask.cdap.data2.dataset2.lib.table.leveldb.LevelDBOrderedTableCore$LevelDBScanner
  • co.cask.cdap.data2.dataset2.lib.table.ordered.BufferingOrderedTable$BufferingScanner
  • co.cask.cdap.data2.dataset2.lib.table.TableDataset
  • co.cask.cdap.data2.dataset2.lib.table.TableDataset$TableScanner
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