VariableExistsDecisionHandler

Description

Decides which path should be taken at a “fork in the road” based on if a variable is present (filled). For this, one possible transition must be designated as false (not available, empty), and the other designated as true (available, filled).

The ActionHandler VariableExistsDecisionHandler is placed directly on an XOR decision node.

Class

com.dooris.bpm.actionhandler.VariableExistsDecisionHandler

Parameter

Parameter	Default value	Description	Valid examples

Parameter	Default value	Description	Valid examples
`variable`		Here, the name of the variable used to choose the path is entered. The existence of the variable must be used to select the correct path.

Example:

In this example, we have a part of the swimlane from the purchasing workflow. Actionhandler is configured at the 'Order ID existing?' decision node.

The decision variable is the orderID from the form. If the orderID exists, the workflow will go on to “Finalize and send order” node. Otherwise, “Create Purchase Order ID” node will be processed.

Parameter	Example Value

Parameter	Example Value
`variable`	orderID
Output Parameters in the decision node: `Yes` `No`	Yes=`true` No=`false`