/*
* XXX:: If ACTIVE went dead before any passive moved to STANDBY state, then the cluster is hung and there is no going
* around it. If ACTIVE in persistent mode, it can come back and recover the cluster
*/
@Override
public void startElection() {
debugInfo("Starting election");
synchronized (electionLock) {
if (electionInProgress) return;
electionInProgress = true;
}
try {
State initial = clusterStatePersistor.getInitialState();
// Went down as either PASSIVE_STANDBY or UNITIALIZED, either way we need to wait for the
// active to zap, just skip
// the election and wait for a zap.
if (initial != null && !initial.equals(ACTIVE_COORDINATOR)) {
info(
"Skipping election and waiting for the active to zap since this this L2 did not go down as active.");
} else if (state == START_STATE || state == PASSIVE_STANDBY) {
runElection();
} else {
info("Ignoring Election request since not in right state");
}
} finally {
synchronized (electionLock) {
electionInProgress = false;
}
}
}
@Override
public void l2StateChanged(StateChangedEvent sce) {
State state = sce.getCurrentState();
if (state.equals(StateManager.ACTIVE_COORDINATOR)) {
server.updateActivateTime();
}
debugPrintln(
"***** msg=["
+ stateChangeNotificationInfo.getMsg(state)
+ "] attrName=["
+ stateChangeNotificationInfo.getAttributeName(state)
+ "] attrType=["
+ stateChangeNotificationInfo.getAttributeType(state)
+ "] stateName=["
+ state.getName()
+ "]");
_sendNotification(
stateChangeNotificationInfo.getMsg(state),
stateChangeNotificationInfo.getAttributeName(state),
stateChangeNotificationInfo.getAttributeType(state),
Boolean.FALSE,
Boolean.TRUE);
}
private void fireStateChangedOperatorEvent() {
TSAManagementEventPayload tsaManagementEventPayload =
new TSAManagementEventPayload("TSA.L2.STATE_CHANGE");
tsaManagementEventPayload.getAttributes().put("State", state.getName());
TerracottaRemoteManagement.getRemoteManagementInstance()
.sendEvent(tsaManagementEventPayload.toManagementEvent());
operatorEventLogger.fireOperatorEvent(
TerracottaOperatorEventFactory.createClusterNodeStateChangedEvent(state.getName()));
}
public void setCurrentL2State(State state) {
map.put(L2_STATE_KEY, state.getName());
}