Swim Lanes
To group the nodes in swim lanes, we need to provide the grouping information.
Consider the below example where we have one group and three nodes in it:
The data structure required for the above group view is as follows:
We will need additional rows for every group that we create. The last column in the above snapshot is the identifier row for the group
In addition to the Id, Pid and other entity attributes, we need the following columns:
“Group Id” column is used for the Id of the Group in the group identifier row
“Subtree Id” column defines the group in which the node resides. Subtree Id is required only for the first node of a flow. Child nodes reside in the group of the parent node.
“Group color” column is optional for the color coding of the group background
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