private synchronized void checkQuorumWhenAdded(final String nodeID, final long start) {
if (clusterMap.containsKey(nodeID)) {
checkQuorum();
} else {
vertx.setTimer(
200,
tid -> {
// This can block on a monitor so it needs to run as a worker
vertx.executeBlockingInternal(
() -> {
if (System.currentTimeMillis() - start > 10000) {
log.warn("Timed out waiting for group information to appear");
} else if (!stopped) {
ContextImpl context = vertx.getContext();
try {
// Remove any context we have here (from the timer) otherwise will screw
// things up when verticles are deployed
ContextImpl.setContext(null);
checkQuorumWhenAdded(nodeID, start);
} finally {
ContextImpl.setContext(context);
}
}
return null;
},
null);
});
}
}
// A node has joined the cluster
// synchronize this in case the cluster manager is naughty and calls it concurrently
private synchronized void nodeAdded(final String nodeID) {
// This is not ideal but we need to wait for the group information to appear - and this will be
// shortly
// after the node has been added
checkQuorumWhenAdded(nodeID, System.currentTimeMillis());
}