private File getChildFile(File resource, IEntity child) {
   String contextAbsolutePath = resource.getAbsolutePath();
   String name = ArtifactsUtils.getName(child);
   File member = new File(contextAbsolutePath + File.separator + name);
   // ensure artifact type
   if (member.exists()
       && Matcher.match(ArtifactsEntityDescriptorEnum.FileArtifact, child) != member.isFile())
     member = null;
   return member;
 }
  @Override
  public void run(IOperationProgressMonitor pm)
      throws InvocationTargetException, InterruptedException {
    IEntity selfEntity =
        EntityUtils.mapEntity(selfModel, EntityUtils.clone(EntityUtils.getCompoundRoot(selfModel)));

    Set<String> initialNames = bm.wNames();

    pm.beginTask("Executing sample...", IOperationProgressMonitor.TOTAL_WORK);

    behaviorModel =
        BehaviorUtils.apply(
            "whole:org.whole.lang.ui.views:SamplePerspectiveSemantics#SampleViewBehavior",
            behaviorModel,
            bm);

    IEntity derivedModel = null;
    try {
      IEntityIterator<?> iterator = BehaviorUtils.lazyEvaluate(behaviorModel, 0, bm);
      iterator.setBindings(selfBindings);
      iterator.reset(selfEntity);

      if (iterator.getClass().equals(ConstantIterator.class)) {
        IEntity result = iterator.next();
        if (result == null || !EntityUtils.isData(result)) derivedModel = result;
        else {
          Object resultValue = result.wGetValue();
          derivedModel =
              IVisitor.class.isInstance(resultValue)
                  ? BindingManagerFactory.instance.createValue(
                      Matcher.match((IVisitor) resultValue, selfEntity))
                  : result;
        }
      } else if (iterator.hasNext()) {
        derivedModel = MiscEntityFactory.instance.createMisc(0);

        ITransactionScope transactionScope =
            BindingManagerFactory.instance.createTransactionScope();
        bm.wEnterScope(transactionScope);
        try {
          for (IEntity result : iterator) {
            transactionScope.commit();
            derivedModel.wAdd(
                GenericEntityFactory.instance.create(
                    CommonsEntityDescriptorEnum.SameStageFragment,
                    // CommonsEntityFactory.instance.createSameStageFragment(
                    EntityUtils.clone(result))); // TODO substitute with a no containment fragment
          }
        } finally {
          transactionScope.rollback();
          bm.wExitScope();
        }
      }
    } catch (MissingVariableException e) {
      addMissingVariables(contextModel, e);
    } catch (OperationCanceledException e) {
      // gracefully terminate execution
    } catch (Exception e) {
      if (e.getCause() instanceof MissingVariableException)
        addMissingVariables(contextModel, (MissingVariableException) e.getCause());
    } finally {
      pm.endTask();
    }

    IEntity variablesModel = null;
    if (derivedModel != null) {
      EnvironmentEntityFactory ef = EnvironmentEntityFactory.instance;
      variablesModel = ef.createBindings(0);
      for (String name : new TreeSet<String>(bm.wLocalNames()))
        if (!initialNames.contains(name))
          variablesModel.wAdd(
              ef.createBinding(ef.createName(name), ef.createValue(BindingUtils.wGet(bm, name))));

      final IEntity contents = derivedModel;
      final IEntity variables = variablesModel;
      context
          .get(UISynchronize.class)
          .asyncExec(
              new Runnable() {
                public void run() {
                  context.get(IEntityPartViewer.class).setContents(null, contents);
                  context
                      .get(IEventBroker.class)
                      .post(IUIConstants.TOPIC_UPDATE_VARIABLES, variables);
                }
              });
    }
  }
Ejemplo n.º 3
0
 public static boolean isFileArtifact(IEntity entity) {
   return Matcher.match(FileArtifact, entity);
 }