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examples package: Invoking Gloop in Groovy and Groovy in Gloop

There are three primary types of services in Martini: Gloop, Groovy, and Flux; and all three can be used in conjunction with each other. The examples package shows how you can use Gloop and Groovy together. In particular, how to call Groovy services in Gloop services and vice versa.

Related articles

Please see the following articles for more information:

Try it!

To see how to invoke Groovy in Gloop, open and run the invokeGloop.gloop.InvokeGroovy.gloop service. For invoking Gloop in Groovy, open and run invokeGloop.groovy.GloopInvoker.groovy instead.

Both can be found under the invokeGloop package, as seen below:

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examples
├── ...
└── code
    └── invokeGloop
        ├── gloop
        │   ├── ComputeNumbers.gloop
        │   └── InvokeGroovy.gloop
        └── groovy
            ├── GloopInvoker.groovy
            └── Sample.groovy

Explanation

Invoking Groovy in Gloop

To invoke a Groovy method in Gloop, you just need to drag and drop the method to the Gloop service, like so:

Dragging and dropping a Groovy method onto Gloop

Dragging and dropping a Groovy method onto Gloop

Doing this will create an invoke step in your Gloop service, as seen in invokeGloop.gloop.InvokeGroovy.gloop.

Invoking Gloop in Groovy

To invoke a Gloop service from a Groovy method, a special instance extension method has been included in Martini to make your code easier to read and more concise. The syntax looks similar to:

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'qualified.service.Name'.gloop(arguments)

This method will return a GloopModel object, from which you can extract the outputs of the Gloop service.