Cumulant Decomposer*¶

This stage calculates the delta value between the current record and the last record in the attr field and the electric energy data. It has a dependency on the Last Record Appender stage.
Incompatible with old data formats, i.e. cannot filter data by ModelId::PointId.

Configuration¶

The configuration tabs for this stage are General, Basic, and Input/Output.

Name	Required?	Description
Name	Yes	The name of the stage.
Description	No	The description of the stage.
Stage Library	Yes	The streaming operator library to which the stage belongs.
Required Fields	No	The fields that the data records must contain. If the specified fields are not included, the record will be filtered out.
Preconditions	No	The conditions that must be satisfied by the data records. Records that do not meet the conditions will be filtered out. For example, `${record:value('/value') > 0}`. For the syntax of EL expressions, see Expression Language.
On Record Error	Yes	The processing method for error data. Discard: Error data will be discarded and ignored Send to Error: Error messages will be reported Stop Pipeline: The pipeline will be stopped

Name	Required?	Description
Quality Filter	No	Filter the data according to the data quality. Only records that meet the quality conditions will be processed by this stage.

The specified scale and slope values (fixed value or attribute value) and the calculated record value are included in the attr struct.

With last record

Without last record