Method get_size

tensorflow/python/keras/engine/data_adapter.py:125–138

Return the size (number of batches) for the dataset created. For certain type of the data input, the number of batches is known, eg for Numpy data, the size is same as (number_of_element / batch_size). Whereas for dataset or python generator, the size is unknown since it may or may not

(self)

  @abc.abstractmethod
  def get_size(self):
    """Return the size (number of batches) for the dataset created.

    For certain type of the data input, the number of batches is known, eg for
    Numpy data, the size is same as (number_of_element / batch_size). Whereas
    for dataset or python generator, the size is unknown since it may or may not
    have a end state.

    Returns:
      int, the number of batches for the dataset, or None if it is unknown. The
      caller could use this to control the loop of training, show progress bar,
      or handle unexpected StopIteration error.
    """
    raise NotImplementedError

  @abc.abstractmethod
  def batch_size(self):