resourceGroups[i] = new PacGroup(id, attributes);
                }
            }

            // Extract Extra SIDs
            this.extraSids = new SID[extraSidAtts.length];
            for (int i = 0; i < extraSidAtts.length; i++) {
                this.extraSids[i] = extraSidAtts[i].getId();
            }

            // Compute Resource Group IDs with Resource Domain ID to get SIDs