/** Returns the path of a schema, appending the name of a table if not null. */
public static List<String> path(Schema schema, String name) {
final List<String> list = new ArrayList<String>();
if (name != null) {
list.add(name);
}
for (Schema s = schema; s != null; s = s.getParentSchema()) {
if (s.getParentSchema() != null || !s.getName().equals("")) {
// Omit the root schema's name from the path if it's the empty string,
// which it usually is.
list.add(s.getName());
}
}
return ImmutableList.copyOf(Lists.reverse(list));
}
/** Returns the root schema. */
public static Schema root(Schema schema) {
for (Schema s = schema; ; ) {
Schema previous = s;
s = s.getParentSchema();
if (s == null) {
return previous;
}
}
}