# File lib/rubyrep/replication_run.rb, line 33
    def event_filtered?(diff)
      event_filter = helper.options_for_table(diff.changes[:left].table)[:event_filter]
      if event_filter && event_filter.respond_to?(:before_replicate)
        not event_filter.before_replicate(
          diff.changes[:left].table,
          helper.type_cast(diff.changes[:left].table, diff.changes[:left].key),
          helper, 
          diff
        )
      else
        false
      end
    end