Class: ElasticGraph::GraphQL::DatastoreQuery::Paginator::SortValue

Inherits:
Data
  • Object
show all
Defined in:
lib/elastic_graph/graphql/datastore_query/paginator.rb

Instance Method Summary collapse

Instance Method Details

#item_satisfies_compared_to_cursor?(comparison_operator) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/elastic_graph/graphql/datastore_query/paginator.rb', line 181

def item_satisfies_compared_to_cursor?(comparison_operator)
  if from_item.nil?
    # nil values sort first when sorting ascending, and last when sorting descending.
    # (see `DocumentPaginator#sort` for a more thorough explanation).
    sort_direction == :asc
  elsif from_cursor.nil?
    # nil values sort first when sorting ascending, and last when sorting descending.
    # (see `DocumentPaginator#sort` for a more thorough explanation).
    sort_direction == :desc
  else # both `from_item` and `from_cursor` are non-nil, and can be compared.
    result = from_item.public_send(comparison_operator, from_cursor)
    (sort_direction == :asc) ? result : !result
  end
end

#unequal? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/elastic_graph/graphql/datastore_query/paginator.rb', line 177

def unequal?
  from_item != from_cursor
end