private DataSourceHolder lookupHolder(String datasourceName, JsonObject config) {
synchronized (vertx) {
LocalMap<String, DataSourceHolder> map = vertx.sharedData().getLocalMap(DS_LOCAL_MAP_NAME);
DataSourceHolder theHolder = map.get(datasourceName);
if (theHolder == null) {
theHolder = new DataSourceHolder(config, () -> removeFromMap(map, datasourceName));
map.put(datasourceName, theHolder);
} else {
theHolder.incRefCount();
}
return theHolder;
}
}
