Package jetbrains.mps.smodel.impl

Class StructureAspectChangeTracker

  • All Implemented Interfaces:
    SModelListener, SNodeChangeListener, SRepositoryAttachListener, SRepositoryListener
    public final class StructureAspectChangeTracker
extends SRepositoryListenerBase
implements SRepositoryAttachListener, SNodeChangeListener, SModelListener
    Tracks changes to language concepts throughout whole repository. 
       SModel modelWithInstancesOfSomeConcepts;
   StructureAspectChangeTracker t = new StructureAspectChangeTracker(null, new ModuleListener() {
     void structureAspectChanged(...) {
       revalidateCaches();
     }
   });
   t.attachTo(model.getRepository());
   ...
   // code that relies on meta-model, and needs to update once meta-model changes (e.g. caches by concept FQN)
   SNode n;
   myCacheMap.put(n.getConcept().getQualifiedName(), ...);
   ...
   // much later
   t.detachFrom(model.getRepository());