Extract Action - modelint/shlaer-mellor-metamodel GitHub Wiki

An extract action extracts a single scalar value from a Tuple Flow.

images/relational-action-subsystem/extract-action-10.png

A Table Attribute from the Table that defines the input Tuple Flow is provided. The Extract Action then yields a single Scalar Flow conveying the value for the selected Table Attribute.

Identifiers

1. ID + Activity + Domain

Attributes

No non-referential attributes