Task: Perform Transformations

Perform the transformation from constraints to the observer implementation.

Relationships

Parent Practices	Model-driven Observer Synthesis
Roles	Primary Performer: Developer	Additional Performers:
Inputs	Mandatory: Observation Model Transformation rules to transform constraints into an observation model Transformation rules to transform observation models to observer implementations	Optional: None
Outputs	Implementation

Main Description

In the final step, the transformation are performed to first extend the observation model and then transform this extended model into source code for the monitoring infrastructure. In addition, the initialisation of the monitoring infrastructure has to be considered.

Steps

Transform Constraints to Observation Model

Transforms the constraints specified during requirements analysis into the defined observation model with the previously defined transformation rules.

Transform Observation Model to Observer Implementation

The observation model is transformed to a observer (and possibly controller) implementation specific for the system under construction with the previously defined transformation rules.

Create bootstrapping code

An interesting issue is the creation of appropriate bootstrapping code to start observers and controllers along with the respective agents. During the bootstrapping phase, instances have to be created and associations set accordingly. After this initialisation, the controllers will have to register with the observers. Therefore, a phased system boot is usually advised.

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Parts of this material is based on the Eclipse Process Framework Practice Library, distributed under the Eclipse Public License V1.0.