+public final class NodeMapping {
+
+ private static final Logger LOG = LoggerFactory
+ .getLogger(NodeMapping.class);
+
+ /**
+ * openflow id prefix
+ */
+ public static final String OPENFLOW_ID_PREFIX = "openflow:";
+
+ public final static String MD_SAL_TYPE = "MD_SAL_DEPRECATED";
+
+ private final static Class<Node> NODE_CLASS = Node.class;
+
+ private final static Class<NodeConnector> NODECONNECTOR_CLASS = NodeConnector.class;
+
+ private NodeMapping() {
+ throw new UnsupportedOperationException("Utility class. Instantiation is not allowed.");
+ }
+
+ public static org.opendaylight.controller.sal.core.Node toADNode(final InstanceIdentifier<? extends Object> node) throws ConstructionException {
+ NodeId nodeId = NodeMapping.toNodeId(node);
+ return NodeMapping.toADNode(nodeId);
+ }
+
+ public static org.opendaylight.controller.sal.core.Node toADNode(final NodeId id) throws ConstructionException {
+ String nodeId = NodeMapping.toADNodeId(id);
+ String nodeIdasNumber = nodeId.replaceFirst("^.*:", "");
+ if (isInteger(nodeIdasNumber)) {
+ Long aDNodeId = openflowFullNodeIdToLong(nodeIdasNumber);
+ return new org.opendaylight.controller.sal.core.Node(NodeIDType.OPENFLOW, aDNodeId);
+ } else {
+ return new org.opendaylight.controller.sal.core.Node(NodeIDType.PRODUCTION, nodeId);
+ }
+ }
+
+ /**
+ * @param adNodeId
+ * @return nodeId as long
+ */
+ @VisibleForTesting
+ public static Long openflowFullNodeIdToLong(String adNodeId) {
+ if (adNodeId == null) {
+ return null;
+ }
+ return new BigInteger(adNodeId).longValue();
+ }
+
+ public static NodeId toNodeId(final InstanceIdentifier<?> id) {
+ final NodeKey key = id.firstKeyOf(Node.class, NodeKey.class);
+ Preconditions.checkArgument(key != null, "No node identifier found in %s", id);
+ return key.getId();
+ }
+
+ /**
+ * @param nodeId containing "<NodeTypeString>:<plainIntegerId>"
+ * @return adNodeId form
+ */
+ public static String toADNodeId(final NodeId nodeId) {
+ if (nodeId == null) {
+ return null;
+ }
+ return nodeId.getValue();
+ }
+
+ public static org.opendaylight.controller.sal.core.NodeConnector toADNodeConnector(final NodeConnectorRef source) throws ConstructionException {
+ final InstanceIdentifier<?> id = Preconditions.checkNotNull(source.getValue());
+ final NodeConnectorKey key = id.firstKeyOf(NodeConnector.class, NodeConnectorKey.class);
+ return NodeMapping.toADNodeConnector(key.getId(), NodeMapping.toNodeId(id));
+ }
+
+ public static org.opendaylight.controller.sal.core.NodeConnector toADNodeConnector(final NodeConnectorId ncid, final NodeId nid) throws ConstructionException {
+ String nodeConnectorType = NodeMapping.toNodeConnectorType(ncid, nid);
+ Object aDNodeConnectorId = NodeMapping.toADNodeConnectorId(ncid, nid);
+ org.opendaylight.controller.sal.core.Node aDNode = NodeMapping.toADNode(nid);
+ return new org.opendaylight.controller.sal.core.NodeConnector(nodeConnectorType, aDNodeConnectorId, aDNode);
+ }
+
+ /**
+ * @param ncid nodeConnector identifier, e.g.: OF:21 or CTRL
+ * @param aDNode
+ * @return nodeConnector attached to given node
+ * @throws ConstructionException
+ */
+ public static org.opendaylight.controller.sal.core.NodeConnector toADNodeConnector(
+ final NodeConnectorId ncid, final org.opendaylight.controller.sal.core.Node aDNode) throws ConstructionException {
+ NodeId nid = NodeMapping.toNodeId(aDNode);
+ String nodeConnectorType = NodeMapping.toNodeConnectorType(ncid, nid);
+ Object aDNodeConnectorId = NodeMapping.toADNodeConnectorId(ncid, nid);
+ return new org.opendaylight.controller.sal.core.NodeConnector(nodeConnectorType, aDNodeConnectorId, aDNode);
+ }
+
+ /**
+ * @param aDNode
+ * @return
+ */
+ private static NodeId toNodeId(org.opendaylight.controller.sal.core.Node aDNode) {
+ return new NodeId(aDNode.getType() + ":" + String.valueOf(aDNode.getID()));
+ }
+
+ public static String toNodeConnectorType(final NodeConnectorId ncId, final NodeId nodeId) {
+ if (ncId.equals(toLocalNodeConnectorId(nodeId))) {
+ return NodeConnectorIDType.SWSTACK;
+ } else if (ncId.equals(toNormalNodeConnectorId(nodeId))) {
+ return NodeConnectorIDType.HWPATH;
+ } else if (ncId.equals(toControllerNodeConnectorId(nodeId))) {
+ return NodeConnectorIDType.CONTROLLER;
+ }
+ return NodeConnectorIDType.OPENFLOW;
+ }
+
+ public static Object toADNodeConnectorId(final NodeConnectorId nodeConnectorId, final NodeId nodeId) {
+ if (nodeConnectorId.equals(toLocalNodeConnectorId(nodeId)) ||
+ nodeConnectorId.equals(toNormalNodeConnectorId(nodeId)) ||
+ nodeConnectorId.equals(toControllerNodeConnectorId(nodeId))) {
+ return org.opendaylight.controller.sal.core.NodeConnector.SPECIALNODECONNECTORID;
+ }
+
+ String nodeConnectorIdStripped = nodeConnectorId.getValue().replaceFirst("^.*:", "");
+ if (nodeConnectorIdStripped.matches("[0-9]+")) {
+ Short nodeConnectorIdVal = null;
+ try {
+ nodeConnectorIdVal = Short.valueOf(nodeConnectorIdStripped);
+ } catch (NumberFormatException e) {
+ LOG.warn("nodeConnectorId not supported (short): {}", nodeConnectorIdStripped, e);
+ }
+ return nodeConnectorIdVal;
+ }
+ return nodeConnectorIdStripped;
+ }
+
+ public static NodeId toAdNodeId(final NodeConnectorId nodeConnectorId) {
+ NodeId nodeId = null;
+ if (nodeConnectorId != null) {
+ nodeId = new NodeId(nodeConnectorId.getValue().replaceFirst(":[0-9]+$", ""));
+ }
+ return nodeId;
+ }
+
+ public static NodeConnectorId toControllerNodeConnectorId(final NodeId node) {
+ return new NodeConnectorId(node.getValue() + ":" + OutputPortValues.CONTROLLER.toString());
+ }
+
+ public static NodeConnectorId toLocalNodeConnectorId(final NodeId node) {
+ return new NodeConnectorId(node.getValue() + ":" + OutputPortValues.LOCAL.toString());
+ }
+
+ public static NodeConnectorId toNormalNodeConnectorId(final NodeId node) {
+ return new NodeConnectorId(node.getValue() + ":" + OutputPortValues.NORMAL.toString());
+ }
+
+ public static NodeRef toNodeRef(final org.opendaylight.controller.sal.core.Node node) {
+ Preconditions.checkArgument(NodeIDType.OPENFLOW.equals(node.getType()));
+ final Long nodeId = Arguments.<Long>checkInstanceOf(node.getID(), Long.class);
+ final NodeKey nodeKey = new NodeKey(new NodeId(OPENFLOW_ID_PREFIX + nodeId));
+ final InstanceIdentifier<Node> nodePath = InstanceIdentifier.builder(Nodes.class).child(NODE_CLASS, nodeKey).toInstance();
+ return new NodeRef(nodePath);
+ }
+
+ public static NodeConnectorRef toNodeConnectorRef(final org.opendaylight.controller.sal.core.NodeConnector nodeConnector) {
+
+ final NodeRef node = NodeMapping.toNodeRef(nodeConnector.getNode());
+ @SuppressWarnings("unchecked")
+ final InstanceIdentifier<Node> nodePath = ((InstanceIdentifier<Node>) node.getValue());
+ NodeConnectorId nodeConnectorId = null;
+
+ if (nodeConnector.getID().equals(org.opendaylight.controller.sal.core.NodeConnector.SPECIALNODECONNECTORID)) {
+ final NodeId nodeId = toNodeId(nodePath);
+ final String nodeConnectorType = nodeConnector.getType();
+ if (nodeConnectorType.equals(NodeConnectorIDType.SWSTACK)) {
+ nodeConnectorId = toLocalNodeConnectorId(nodeId);
+ } else if (nodeConnectorType.equals(NodeConnectorIDType.HWPATH)) {
+ nodeConnectorId = toNormalNodeConnectorId(nodeId);
+ } else if (nodeConnectorType.equals(NodeConnectorIDType.CONTROLLER)) {
+ nodeConnectorId = toControllerNodeConnectorId(nodeId);
+ }
+ } else {
+ nodeConnectorId = new NodeConnectorId(OPENFLOW_ID_PREFIX
+ + Arguments.<Short>checkInstanceOf(nodeConnector.getID(), Short.class));
+ }
+ final NodeConnectorKey connectorKey = new NodeConnectorKey(nodeConnectorId);
+ final InstanceIdentifier<NodeConnector> path = nodePath.child(NODECONNECTOR_CLASS, connectorKey);
+ return new NodeConnectorRef(path);
+ }
+
+ public static org.opendaylight.controller.sal.core.Node toADNode(final NodeRef node) throws ConstructionException {
+ return NodeMapping.toADNode(node.getValue());
+ }