gistfile1.txt

        nodes = new ArrayList<Node>();
            LinkedList<Integer> zoneProximityList = this.clientZone.getProximityList();
            if(pipeline.getOperation() != Operation.PUT) {
                // GET, GET_VERSIONS, DELETE

                // Add a node from every zone
                for(int index = 0; index < pipelineData.getZonesRequired(); index++) {
                    List<Node> zoneNodes = zoneIdToNode.get(zoneProximityList.get(index));
                    if(zoneNodes != null && zoneNodes.size() > 0) {
                        nodes.add(zoneNodes.remove(0));
                    }
                }

            }

            // Add the rest, starting with client zone...
            List<Node> clientZoneNodes = zoneIdToNode.get(clientZone.getId());
            if(clientZoneNodes != null && clientZoneNodes.size() > 0)
                nodes.addAll(clientZoneNodes);
            // ...followed by other zones sorted by proximity list
            for(int index = 0; index < zoneProximityList.size(); index++) {
                List<Node> zoneNodes = zoneIdToNode.get(zoneProximityList.get(index));
                if(zoneNodes != null && zoneNodes.size() > 0) {
                    nodes.addAll(zoneNodes);
                }
            }