/**
* Obtains all the uids from the schema
*
* @param schema
* @return Set of uids from this schema. Its a recursive call
*/
private Set<Long> getAllUids(LogicalSchema schema) {
Set<Long> uids = new HashSet<Long>();
if (schema != null) {
for (LogicalFieldSchema fieldSchema : schema.getFields()) {
if ((fieldSchema.type == DataType.BAG || fieldSchema.type == DataType.TUPLE)
&& fieldSchema.schema != null) {
uids.addAll(getAllUids(fieldSchema.schema));
} else {
uids.add(fieldSchema.uid);
}
}
}
return uids;
}
