@Override
public synchronized void afterCompletion(int status) {
completed = true;
synchronizations.remove(id);
if (transactionMode == TransactionMode.ISOLATE_READS) {
for (TempTable table : tables.values()) {
table.getActive().decrementAndGet();
}
} else {
HashSet<TempTable> current = new HashSet<TempTable>(tempTables.values());
current.retainAll(tables.values());
for (TempTable table : current) {
table.getActive().set(0);
table.getTree().clearClonedFlags();
}
}
for (TransactionCallback callback : callbacks) {
if (status == Status.STATUS_COMMITTED) {
callback.commit();
} else {
callback.rollback();
}
}
callbacks.clear();
}
/*
* Helper method to encapsulate a transaction. Callback pattern is used
*
* */
public void doInTransaction(TransactionCallback txCallback) {
Transaction tx = api.beginTx();
try {
txCallback.execute(api);
tx.success();
} finally {
tx.finish();
}
}
private <T> T doExecuteInTransaction(TransactionCallback<T> callback) {
Transaction tx = database.beginTx();
T result = null;
try {
result = callback.doInTransaction(database); // can throw a business exception
tx.success();
} catch (RuntimeException e) {
LOG.warn("Runtime exception occurred during transaction execution.", e);
tx.failure();
throw e;
} catch (Exception e) {
LOG.warn("Checked exception occurred during transaction execution.", e);
tx.failure();
throw new RuntimeException(e);
} finally {
tx.close(); // can throw a DB exception
}
return result;
}
