Gateways contain
one or more branches and are used to control the divergence and
convergence of sequence flow. You typically add a gateway for one
of the following reasons:
The following diagram shows a Gateway element with two branches.
You also control how the process continues after the gateway,
where the branches converge:
The process continues only after all of the operations
of each branch are complete. This configuration is used when subsequent
operations in the process depend on the completion of all branches
in the gateway.
The process continues when the operations in any one branch
are complete. This configuration is used when the process is affected
by which branch is first completed.
The process continues immediately, regardless of whether
any of the branches are complete. This configuration is used when
subsequent operations do not depend on the results of the operations
in the gateway.
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