| import org.eclipse.emf.edapt.migration.MigrationException; |
| import org.eclipse.emf.edapt.spi.migration.Instance; |
| import org.eclipse.emf.edapt.spi.migration.Metamodel; |
| import org.eclipse.emf.edapt.spi.migration.Model; |
| |
| public class ExtractTriggers extends ReengineeringCustomMigration { |
| |
| @Override |
| public void migrateAfter(Model model, Metamodel metamodel) |
| throws MigrationException { |
| for (Instance transition : model |
| .getAllInstances("statemachine.Transition")) { |
| Instance reference = transition.get("reference"); |
| transition.set("trigger", getTrigger(reference)); |
| } |
| } |
| |
| /** Get the trigger of a transition. */ |
| private String getTrigger(Instance reference) { |
| Instance method = getContainerOfType(reference, "members.ClassMethod"); |
| String methodName = method.get("name"); |
| if ("run".equals(methodName)) { |
| Instance switchCase = getContainerOfType(reference, |
| "statements.NormalSwitchCase"); |
| if (switchCase != null) { |
| return switchCase.getLink("condition").getLink("target") |
| .get("name"); |
| } |
| Instance catchBlock = getContainerOfType(reference, |
| "statements.CatchBlock"); |
| if (catchBlock != null) { |
| return catchBlock.getLink("parameter").getLink("typeReference") |
| .getLinks("classifierReferences").get(0) |
| .getLink("target").get("name"); |
| } |
| } else { |
| return methodName; |
| } |
| return "--"; |
| } |
| } |
