jodd-jtx/src/main/java/jodd/jtx/JtxTransactionManager.java
public JtxTransaction getTransaction() {
		ArrayList<JtxTransaction> txlist = txStack.get();
		if (txlist == null) {
			return null;
		}
		if (txlist.isEmpty()) {
			return null;
		}
		return txlist.get(txlist.size() - 1);	// get last
	}
public JtxTransaction getTransaction() {
		ArrayList<JtxTransaction> txlist = txStack.get();
		if (txlist == null) {
			return null;
		}
		if (txlist.isEmpty()) {
			return null;
		}
		return txlist.get(txlist.size() - 1);	// get last
	}
Returns last transaction associated with current thread or
<code>null</code> when thread has no associated transactions created
by this transaction manager.