BPM 12c Gateways (Part 2 of 5): Inclusive Gateway by Antonis Antoniou

The inclusive gateway, just like the exclusive gateway, enables you to split your process into two or more paths. The intrinsic difference between an exclusive gateway and an inclusive gateway is that in an exclusive gateway, the process only continues down one of several paths (if multiple outgoing sequence flows are present) while in an inclusive gateway a process will follow all conditional paths whose expressions are evaluated to true.

Furthermore, in an inclusive gateway a process will only follow the default path only if no conditional expressions evaluate to true. Because of this particular characteristic the notation of an inclusive gateway consist of a split and a merge inclusive gateway.

An inclusive gateway can consist multiple outgoing conditional sequence flows for an inclusive gateway split. However, an inclusive gateway must define a default sequence flow. All conditional expressions that evaluate to true are executed; otherwise the default sequence flow is executed.

At run time, the BPM engine generates a token for each conditional sequence that evaluates to true. If none of the conditional sequence flows evaluate to true then a token gets generated for the default sequence flow. The process will pause and will resume only when all tokens have reached the merge

So let’s see how you can use an inclusive gateway in a process. I have created a new BPM application using the "BPM Application" JDeveloper template and in the "Project SOA Settings" step i have selected "Composite with BPMN Process". Read the complete article here.

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