The Router module allows you to branch your flow into several routes and process the data within each route differently. Once a Router receives a bundle, it forwards it to each connected route in the order the routes were attached to the Router.
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Tip |
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To verify the order of the routes, you can click the auto-align icon To change the order, just remove the Router module and re-connect the routes in the desired order. |
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Note |
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Routes are processed sequentially, not in parallel. A bundle is not sent to the next route until it has been completely processed by the previous route. |
See our scenario template for the Controlled distribution of data flow.
A Router can be added to a scenario in one of the following ways:
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If you wish to connect the Router after a module, click on the module's right "ear" and choose Flow Control - Router from the list of modules.
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If you wish to insert the Router between two modules, click on the wrench icon below the route connecting the two modules (or right-click the route) and choose "Add a router" from the menu.
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A Router can also be inserted automatically in the case when you try to connect module
A
to moduleB
to which another module is already connected. Just drag the left "ear" of the moduleA
and drop it on to moduleB
.
You can place a filter on a route after the Router to filter bundles as on any other route: just click on the route, add conditions and click on the "OK" button to save the filter setup:
The filter setup on a route after a Router contains a special option: The fallback route:
When enabled, this route is used in the case when a bundle cannot continue on from the Router via any other route because the filters on the other routes filtered it out. The Fallback route is distinguished with a different arrow sign inside the Router module:
A typical use case of the fallback route is to continue the flow with route A
if the condition is met and with route B
if it is not. This can be achieved with the following steps: