jodd-jtx/src/main/java/jodd/jtx/JtxTransactionManager.java
public void registerResourceManager(final JtxResourceManager resourceManager) {
		if ((oneResourceManager) && (!resourceManagers.isEmpty())) {
			throw new JtxException("TX manager allows only one resource manager");
		}
		this.resourceManagers.put(resourceManager.getResourceType(), resourceManager);
	}
public void registerResourceManager(final JtxResourceManager resourceManager) {
		if ((oneResourceManager) && (!resourceManagers.isEmpty())) {
			throw new JtxException("TX manager allows only one resource manager");
		}
		this.resourceManagers.put(resourceManager.getResourceType(), resourceManager);
	}
Registers new {@link JtxResourceManager resource manager}.