protected void addMissingVariables(IEntity contextModel, MissingVariableException e) {
String[] varNames = e.getVariableNames();
EnvironmentEntityFactory ef = EnvironmentEntityFactory.instance;
for (String varName : varNames) {
Name var = ef.createName(varName);
IEntity find = Matcher.find(var, contextModel, false);
if (find == null)
contextModel.wAdd(
ef.createBinding(
var,
CommonsEntityAdapterFactory.createResolver(EnvironmentEntityDescriptorEnum.Value)));
}
}
public static IEntity cloneArtifact(IEntity artifact, IEntity appendChild) {
IEntityFactory ef = GenericEntityFactory.instance(RegistryConfigurations.RESOLVER);
EntityDescriptor<?> ed = artifact.wGetEntityDescriptor();
IEntity newArtifact = ef.create(ed);
for (FeatureDescriptor fd : ed.getEntityFeatureDescriptors()) {
if (artifacts.equals(fd) || projects.equals(fd)) {
IEntity composite = newArtifact.wGet(fd);
if (appendChild != null) composite.wAdd(appendChild);
else composite.wResolveWith(fd.getEntityDescriptor());
} else newArtifact.wSet(fd, EntityUtils.clone(artifact.wGet(fd)));
}
return newArtifact;
}
@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);
}
});
}
}