@Override
public synchronized boolean handleStartElectionRequest(L2StateMessage msg) {
Assert.assertEquals(L2StateMessage.START_ELECTION, msg.getType());
if (state == ELECTION_IN_PROGRESS
&& (myVote.isANewCandidate() || !msg.getEnrollment().isANewCandidate())) {
// Another node is also joining in the election process, Cast its vote and notify my vote
// Note : WE dont want to do this for new candidates when we are not new.
Enrollment vote = msg.getEnrollment();
Enrollment old = votes.put(vote.getNodeID(), vote);
boolean sendResponse = msg.inResponseTo().isNull();
if (old != null && !vote.equals(old)) {
logger.warn(
"Received duplicate vote : Replacing with new one : " + vote + " old one : " + old);
sendResponse = true;
}
if (sendResponse) {
// This is either not a response to this node initiating election or a duplicate vote.
// Either case notify this
// nodes vote
L2StateMessage response = createElectionStartedMessage(msg, myVote);
logger.info("Casted vote from " + msg + " My Response : " + response);
try {
groupManager.sendTo(msg.messageFrom(), response);
} catch (GroupException e) {
logger.error("Error sending Votes to : " + msg.messageFrom(), e);
}
} else {
logger.info("Casted vote from " + msg);
}
return true;
} else {
logger.info("Ignoring Start Election Request : " + msg + " My state = " + state);
return false;
}
}
