public void testTransactionConsistentVersion() throws Exception {
store(new Item(NEWER));
db().commit();
Item newer = itemByName(NEWER);
Item original = itemByName(ORIGINAL);
Assert.isGreater(version(original), version(newer));
newer._name += " modified";
original._name += " modified";
store(newer);
store(original);
db().commit();
Assert.areEqual(version(newer), version(original));
reopen();
newer = itemByName(newer._name);
original = itemByName(original._name);
Assert.areEqual(version(newer), version(original));
}
protected void store() {
Item dd1 = new Item();
dd1.atom = new Atom("justone");
store(dd1);
Item dd2 = new Item();
dd2.atom = dd1.atom;
store(dd2);
}
protected void store() {
final Item root = new Item("1", null);
Item current = root;
for (int i = 2; i < 11; i++) {
current.child = new Item("" + i, null);
current = current.child;
}
store(root);
}
public void testVersionIncrease() {
Item item = (Item) retrieveOnlyInstance(Item.class);
ObjectInfo objectInfo = db().getObjectInfo(item);
long version1 = objectInfo.getCommitTimestamp();
item._name = "modified";
db().store(item);
db().commit();
long version2 = objectInfo.getCommitTimestamp();
Assert.isGreater(version1, version2);
db().store(item);
db().commit();
objectInfo = db().getObjectInfo(item);
long version3 = objectInfo.getCommitTimestamp();
Assert.isGreater(version2, version3);
}
private void storeItem(Object listElement) {
Item item = new Item();
item.list = new ArrayList();
item.list.add(listElement);
store(item);
}