old_contents: # Tai Sakuma <tai.sakuma@gmail.com>
  import logging
  
  from ..progressbar import ProgressReport
  
  from alphatwirl.misc.deprecation import _deprecated
  from alphatwirl.misc.deprecation import _deprecated_class_method_option
  
  import alphatwirl
  
  
  ##__________________________________________________________________||
  @_deprecated(msg='replaced with alphatwirl.datasetloop.CollectorComposite')
  class CollectorComposite(object):
  
      """A composite of collectors.
  
      This class is a composite in the composite pattern.
  
      Examples of collectors are instances of `Collector`,
      `NullCollector`, and this class.
  
      """
  
      @_deprecated_class_method_option('progressReporter')
      def __init__(self, progressReporter=None):
  
          self.components = [ ]
  
      def __repr__(self):
          name_value_pairs = (
              ('components',       self.components),
          )
          return '{}({})'.format(
              self.__class__.__name__,
              ', '.join(['{}={!r}'.format(n, v) for n, v in name_value_pairs]),
          )
  
      def add(self, collector):
          """add a collector
  
  
          Args:
              collector: the collector to be added
  
          """
          self.components.append(collector)
  
      def collect(self, dataset_readers_list):
          """collect results
  
  
          Returns:
              a list of results
  
          """
  
          ret = [ ]
          for i, collector in enumerate(self.components):
              report = ProgressReport(name='collecting results', done=(i + 1), total=len(self.components))
              alphatwirl.progressbar.report_progress(report)
              ret.append(collector.collect([(dataset, tuple(r.readers[i] for r in readerComposites))
                                            for dataset, readerComposites in dataset_readers_list]))
          return ret
  
          ## in one line without the progress bar
          #return [collector.collect([(dataset, tuple(r.readers[i] for r in readerComposites))
          #                           for dataset, readerComposites in dataset_readers_list])
          #        for i, collector in enumerate(self.components)]
  
  ##__________________________________________________________________||
  
new_contents: # Tai Sakuma <tai.sakuma@gmail.com>
  import logging
  
  from atpbar import atpbar
  
  from alphatwirl.misc.deprecation import _deprecated
  from alphatwirl.misc.deprecation import _deprecated_class_method_option
  
  import alphatwirl
  
  
  ##__________________________________________________________________||
  @_deprecated(msg='replaced with alphatwirl.datasetloop.CollectorComposite')
  class CollectorComposite(object):
  
      """A composite of collectors.
  
      This class is a composite in the composite pattern.
  
      Examples of collectors are instances of `Collector`,
      `NullCollector`, and this class.
  
      """
  
      @_deprecated_class_method_option('progressReporter')
      def __init__(self, progressReporter=None):
  
          self.components = [ ]
  
      def __repr__(self):
          name_value_pairs = (
              ('components',       self.components),
          )
          return '{}({})'.format(
              self.__class__.__name__,
              ', '.join(['{}={!r}'.format(n, v) for n, v in name_value_pairs]),
          )
  
      def add(self, collector):
          """add a collector
  
  
          Args:
              collector: the collector to be added
  
          """
          self.components.append(collector)
  
      def collect(self, dataset_readers_list):
          """collect results
  
  
          Returns:
              a list of results
  
          """
  
          ret = [ ]
          for i, collector in enumerate(atpbar(self.components, name='collecting results')):
              ret.append(collector.collect([(dataset, tuple(r.readers[i] for r in readerComposites))
                                            for dataset, readerComposites in dataset_readers_list]))
          return ret
  
          ## in one line without the progress bar
          #return [collector.collect([(dataset, tuple(r.readers[i] for r in readerComposites))
          #                           for dataset, readerComposites in dataset_readers_list])
          #        for i, collector in enumerate(self.components)]
  
  ##__________________________________________________________________||
  
subject: replace ProgressReport with atpbar in a deprecated class