public void addTxMBeans() throws Exception {
DependencyGraph dg = (DependencyGraph) FractalHelper.getSubComponent(
speedo, AbstractSpeedo.DEPENDENCY_GRAPH_PATH, logger)
.getFcInterface("dependency-graph");
Tx p = new Tx(getPMF(), dg);
server.registerMBean(p, new ObjectName("speedo:name=tx"));
}