mergers

Value Members

1. object AttributeMergingStrategy

   

2. object JoinMergingStrategy extends AttributeMergingStrategy with Product with Serializable

   

   Simple attribute merge strategy that updates the old attributes with the most recent ones.

   Simple attribute merge strategy that updates the old attributes with the most recent ones. Attributes that were only present in the old attributes are preserved.

   Example: [(a, 1), (b, 1)] * [(a, 3), (c, 1)] = [(a, 3), (b, 1), (c, 1)]

3. object ReplaceMergingStrategy extends AttributeMergingStrategy with Product with Serializable

   

   Simple attribute merge strategy that overwrites the old attributes with new attributes, removing all old attributes.

   Simple attribute merge strategy that overwrites the old attributes with new attributes, removing all old attributes.

   Example: [(a, 1), (b, 1)] * [(a, 3), (c, 1)] = [(a, 3), (c, 1)]