| 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 CountIsolatedNodes extends HelloWorldCustomMigration { |
| |
| @Override |
| public void migrateBefore(Model model, Metamodel metamodel) { |
| metamodel.setDefaultPackage("graph1"); |
| int isolated = 0; |
| for (Instance node : model.getAllInstances("Node")) { |
| if (node.getInverse("Edge.src").isEmpty() |
| && node.getInverse("Edge.trg").isEmpty()) { |
| isolated++; |
| } |
| } |
| saveResult(model, isolated); |
| } |
| } |
