Edge Analysis Transformation

Definition

Enables identification and analysis of changes in a stream.

Configuration

To add the Edge Analysis Transformation to a stream, follow the steps below:

1. Ensure you have a use case open in the stream designer, this can be a new use case or an existing use case
2. From the toolbox on the left expand the Transformation option and scroll down until you can see “Edge Analysis Transformation”
   • You can also use the search in the header to find the stream object quickly
3. Click and drag the Edge Analysis Transformation from the toolbox onto the canvas
4. Rename the Transformation by clicking into the text button on the action bar
5. Save the Stream by clicking the save button in the action bar
6. Hover over the icon for the stream object until it turns orange and then double click to open the configuration page
   • You can optionally use the configure option on the action bar once you have selected the specific stream object and then clicking this option
7. Configuration options
   • The drop-down allows you to associate this stream object with a specific collection. The default option is derived from the default specified against the specific use case and is generated left as the same option. If you do need to change it to another collection make the change by selecting the new collection in the drop-down.
8. Select from drop-down list to specify the fields need to be monitored for changes
9. Click Apply on the action bar, and then save the stream using the save button.

In the signal below, the edges are marked in orange.

For each monitored attribute, a Boolean XXXXChanged attribute will be added, which will be set to true when an edge is detected in that attribute.

Limitations

• None at this time.

Release Notes

Version:	3.04
Released:	22-May-2018
Release Notes:	Validation – monitored fields are checked against inputs.