private PsmInterp makeStateMachine(final UserData ud) {
PsmMachine machine = makeMachine();
PsmInterp interp = newPsmInterp(machine, ud);
interp.setName("ReusableRepairer");
interp.setCheckpointer(
new PsmInterp.Checkpointer() {
public void checkpoint(PsmInterpStateBean resumeStateBean) {
// Throw an error?
}
});
return interp;
}
private void startStateMachine() {
// start the state machine running.
String msg = "Error starting V3ReusableRepairer";
try {
stateMachine.enqueueStart(ehAbortPoll(msg));
} catch (PsmException e) {
log.warning(msg, e);
abort();
}
}
/** Handle an incoming V3LcapMessage. */
public void receiveMessage(LcapMessage message) {
final V3LcapMessage msg = (V3LcapMessage) message;
PeerIdentity sender = msg.getOriginatorId();
PsmMsgEvent evt = V3Events.fromMessage(msg);
log.debug3("Received message: " + message.getOpcodeString() + " " + message);
String errmsg = "State machine error";
stateMachine.enqueueEvent(
evt,
ehAbortPoll(errmsg),
new PsmInterp.Action() {
public void eval() {
msg.delete();
}
});
// Finally, clean up after the V3LcapMessage
// todo(bhayes): Really? And "finally" rather than "try/finally?"
msg.delete();
}
private PsmInterp newPsmInterp(PsmMachine stateMachine, UserData userData) {
PsmManager mgr = daemon.getPsmManager();
PsmInterp interp = mgr.newPsmInterp(stateMachine, userData);
interp.setThreaded(true);
return interp;
}
