Preconditions.checkArgument(DEFAULT_NAMESPACE.equals(namespace),
"Non-default namespaces are not supported");
Preconditions.checkNotNull(name, "Dataset name cannot be null");
if (!exists(namespace, name)) {
throw new DatasetNotFoundException("No such dataset: " + name);
}
String tableName = getTableName(name);
String entityName = getEntityName(name);
return new DatasetDescriptor.Builder()
.schemaLiteral(schemaManager.getEntitySchema(tableName, entityName)