void commit(Transaction tx) {
if (tx != null) {
TxCommitHook hook = txCommitHooks.remove(tx);
if (hook != null) {
for (PropertyIndex index : hook.getAddedPropertyIndexes()) {
addPropertyIndex(index);
}
}
}
}
public Iterable<PropertyIndex> index(String key) {
List<PropertyIndex> list = indexMap.get(key);
TxCommitHook hook = txCommitHooks.get(getTransaction());
if (hook != null) {
PropertyIndex index = hook.getIndex(key);
if (index != null) {
List<PropertyIndex> added = new ArrayList<PropertyIndex>();
if (list != null) {
added.addAll(list);
}
added.add(index);
return added;
}
}
if (list == null) {
list = Collections.emptyList();
}
return list;
}
// concurent transactions may create duplicate keys, oh well
PropertyIndex createPropertyIndex(String key) {
Transaction tx = getTransaction();
if (tx == null) {
throw new NotInTransactionException("Unable to create property index for " + key);
}
TxCommitHook hook = txCommitHooks.get(tx);
if (hook == null) {
hook = new TxCommitHook();
txCommitHooks.put(tx, hook);
}
PropertyIndex index = hook.getIndex(key);
if (index != null) {
return index;
}
int id = (int) idGenerator.nextId(PropertyIndex.class);
index = new PropertyIndex(key, id);
hook.addIndex(index);
persistenceManager.createPropertyIndex(key, id);
return index;
}
public PropertyIndex getIndexFor(int keyId) {
PropertyIndex index = idToIndexMap.get(keyId);
if (index == null) {
TxCommitHook commitHook = txCommitHooks.get(getTransaction());
if (commitHook != null) {
index = commitHook.getIndex(keyId);
if (index != null) {
return index;
}
}
String indexString;
indexString = persistenceManager.loadIndex(keyId);
if (indexString == null) {
throw new NotFoundException("Index not found [" + keyId + "]");
}
index = new PropertyIndex(indexString, keyId);
addPropertyIndex(index);
}
return index;
}