private static Set<String> listDatabases(
final String clusterName, final boolean active, final Optional<Integer> weight) {
final Set<String> databases = Sets.newLinkedHashSet();
try {
final DatabaseClusterMBean cluster = lookup(clusterName, 0);
final Iterable<String> databaseIds =
active ? cluster.getactiveDatabases() : cluster.getinactiveDatabases();
for (final String databaseId : databaseIds)
try {
final DriverDatabaseMBean database = lookupDatabase(clusterName, databaseId);
if (!weight.isPresent() || database.getweight() == weight.get()) {
databases.add(databaseId);
}
} catch (NoSuchElementException e) {
// ignore database
}
} catch (NoSuchElementException e) {
// no databases
} catch (Exception e) {
LOG.error(e, e);
}
return databases;
}
private static void prepareConnections(final Host host, final String contextName)
throws NoSuchElementException {
final String dbUrl =
"jdbc:" + ServiceUris.remote(Database.class, host.getBindAddress(), contextName);
final String hostName = host.getDisplayName();
final DriverDatabaseMBean database = Databases.lookupDatabase(contextName, hostName);
database.setuser(getUserName());
database.setpassword(getPassword());
database.setweight(
Hosts.isCoordinator(host) ? DATABASE_WEIGHT_PRIMARY : DATABASE_WEIGHT_SECONDARY);
database.setlocal(host.isLocalHost());
database.setlocation(dbUrl);
}
