public void test() throws CommitException {
{
CDOSession session = openSession();
CDOTransaction transaction = session.openTransaction();
CDOResource resource = transaction.createResource(getResourcePath("test"));
Category category1 = getModel1Factory().createCategory();
resource.getContents().add(category1);
category1.getCategories().add(getModel1Factory().createCategory());
Category category2 = getModel1Factory().createCategory();
resource.getContents().add(category2);
transaction.commit();
session.close();
}
{
CDOSession session = openSession();
CDOTransaction transaction = session.openTransaction();
final CDOObject[] attachedObject = new CDOObject[1];
transaction.addTransactionHandler(
new CDOTransactionHandler1() {
public void modifyingObject(
CDOTransaction transaction, CDOObject object, CDOFeatureDelta featureDelta) {}
public void detachingObject(CDOTransaction transaction, CDOObject object) {}
public void attachingObject(CDOTransaction transaction, CDOObject object) {
attachedObject[0] = object;
}
});
CDOResource resource = transaction.getResource(getResourcePath("test"));
Category c1 = (Category) resource.getContents().get(0);
Category nestedCategory = c1.getCategories().get(0);
CDOObject cdoCategory = CDOUtil.getCDOObject(nestedCategory);
// Detach
EcoreUtil.remove(nestedCategory);
// Re-attach
attachedObject[0] = null;
((Category) resource.getContents().get(1)).getCategories().add(nestedCategory);
assertNotNull("CDOTransactionHandler1.attachingObject was not called", attachedObject[0]);
assertEquals(
MessageFormat.format("Re-attached object was not the expected object {0}", cdoCategory),
cdoCategory,
attachedObject[0]);
}
}
@Override
protected void hookTransaction(CDOTransaction transaction) {
transaction.addTransactionHandler(handler);
adapter = new CDOChangeSubscriptionAdapter(getTransaction());
transaction.addListener(collector);
}