-public class InstanceIdentifierUtils {
-
- /**
- * Creates an Instance Identifier (path) for node with specified id
- *
- * @param nodeId
- * @return
- */
- public static final InstanceIdentifier<Node> createNodePath(NodeId nodeId) {
- return InstanceIdentifier.builder(Nodes.class) //
- .child(Node.class, new NodeKey(nodeId)) //
- .build();
- }
-
- /**
- * Shorten's node child path to node path.
- *
- * @param nodeChild child of node, from which we want node path.
- * @return
- */
- public static final InstanceIdentifier<Node> getNodePath(InstanceIdentifier<?> nodeChild) {
- return nodeChild.firstIdentifierOf(Node.class);
- }
-
-
- /**
- * Creates a table path by appending table specific location to node path
- *
- * @param nodePath
- * @param tableKey
- * @return
- */
- public static final InstanceIdentifier<Table> createTablePath(InstanceIdentifier<Node> nodePath, TableKey tableKey) {
- return InstanceIdentifier.builder(nodePath)
- .augmentation(FlowCapableNode.class)
- .child(Table.class, tableKey)
- .build();
- }
-
- /**
- * Creates a path for particular flow, by appending flow-specific information
- * to table path.
- *
- * @param table
- * @param flowKey
- * @return
- */
- public static InstanceIdentifier<Flow> createFlowPath(InstanceIdentifier<Table> table, FlowKey flowKey) {
- return InstanceIdentifier.builder(table)
- .child(Flow.class, flowKey)
- .build();
- }
-
- /**
- * Extract table id from table path.
- *
- * @param tablePath
- * @return
- */
- public static Short getTableId(InstanceIdentifier<Table> tablePath) {
- return tablePath.firstKeyOf(Table.class, TableKey.class).getId();
- }
-
- /**
- * Extracts NodeConnectorKey from node connector path.
- */
- public static NodeConnectorKey getNodeConnectorKey(InstanceIdentifier<?> nodeConnectorPath) {
- return nodeConnectorPath.firstKeyOf(NodeConnector.class, NodeConnectorKey.class);
- }
-
- /**
- * Extracts NodeKey from node path.
- */
- public static NodeKey getNodeKey(InstanceIdentifier<?> nodePath) {
- return nodePath.firstKeyOf(Node.class, NodeKey.class);
- }
-
-
- //
- public static final InstanceIdentifier<NodeConnector> createNodeConnectorIdentifier(String nodeIdValue,
- String nodeConnectorIdValue) {
- return InstanceIdentifier.builder(createNodePath(new NodeId(nodeIdValue))) //
- .child(NodeConnector.class, new NodeConnectorKey(new NodeConnectorId(nodeConnectorIdValue))) //
- .build();
- }
-
- /**
- * @param nodeConnectorRef
- * @return
- */
- public static InstanceIdentifier<Node> generateNodeInstanceIdentifier(NodeConnectorRef nodeConnectorRef) {
- return nodeConnectorRef.getValue().firstIdentifierOf(Node.class);
- }
-
- /**
- * @param nodeConnectorRef
- * @param flowTableKey
- * @return
- */
- public static InstanceIdentifier<Table> generateFlowTableInstanceIdentifier(NodeConnectorRef nodeConnectorRef, TableKey flowTableKey) {
- return InstanceIdentifier.builder(generateNodeInstanceIdentifier(nodeConnectorRef))
- .augmentation(FlowCapableNode.class)
- .child(Table.class, flowTableKey)
- .build();
- }
-
- /**
- * @param nodeConnectorRef
- * @param flowTableKey
- * @param flowKey
- * @return
- */
- public static InstanceIdentifier<Flow> generateFlowInstanceIdentifier(NodeConnectorRef nodeConnectorRef,
- TableKey flowTableKey,
- FlowKey flowKey) {
- return InstanceIdentifier.builder(generateFlowTableInstanceIdentifier(nodeConnectorRef, flowTableKey))
- .child(Flow.class, flowKey)
- .build();
- }
-
- public static InstanceIdentifier<Topology> generateTopologyInstanceIdentifier(String topologyId) {
- return InstanceIdentifier.builder(NetworkTopology.class)
- .child(Topology.class, new TopologyKey(new TopologyId(topologyId)))
- .build();
- }
+public final class InstanceIdentifierUtils {
+
+ private InstanceIdentifierUtils() {
+ throw new UnsupportedOperationException("Utility class should never be instantiated");
+ }
+
+ /**
+ * Creates an Instance Identifier (path) for node with specified id
+ *
+ * @param nodeId
+ * @return
+ */
+ public static final InstanceIdentifier<Node> createNodePath(final NodeId nodeId) {
+ return InstanceIdentifier.builder(Nodes.class) //
+ .child(Node.class, new NodeKey(nodeId)) //
+ .build();
+ }
+
+ /**
+ * Shorten's node child path to node path.
+ *
+ * @param nodeChild child of node, from which we want node path.
+ * @return
+ */
+ public static final InstanceIdentifier<Node> getNodePath(final InstanceIdentifier<?> nodeChild) {
+ return nodeChild.firstIdentifierOf(Node.class);
+ }
+
+
+ /**
+ * Creates a table path by appending table specific location to node path
+ *
+ * @param nodePath
+ * @param tableKey
+ * @return
+ */
+ public static final InstanceIdentifier<Table> createTablePath(final InstanceIdentifier<Node> nodePath, final TableKey tableKey) {
+ return nodePath.builder()
+ .augmentation(FlowCapableNode.class)
+ .child(Table.class, tableKey)
+ .build();
+ }
+
+ /**
+ * Creates a path for particular flow, by appending flow-specific information
+ * to table path.
+ *
+ * @param table
+ * @param flowKey
+ * @return
+ */
+ public static InstanceIdentifier<Flow> createFlowPath(final InstanceIdentifier<Table> table, final FlowKey flowKey) {
+ return table.child(Flow.class, flowKey);
+ }
+
+ /**
+ * Extract table id from table path.
+ *
+ * @param tablePath
+ * @return
+ */
+ public static Short getTableId(final InstanceIdentifier<Table> tablePath) {
+ return tablePath.firstKeyOf(Table.class, TableKey.class).getId();
+ }
+
+ /**
+ * Extracts NodeConnectorKey from node connector path.
+ */
+ public static NodeConnectorKey getNodeConnectorKey(final InstanceIdentifier<?> nodeConnectorPath) {
+ return nodeConnectorPath.firstKeyOf(NodeConnector.class, NodeConnectorKey.class);
+ }
+
+ /**
+ * Extracts NodeKey from node path.
+ */
+ public static NodeKey getNodeKey(final InstanceIdentifier<?> nodePath) {
+ return nodePath.firstKeyOf(Node.class, NodeKey.class);
+ }
+
+
+ //
+ public static final InstanceIdentifier<NodeConnector> createNodeConnectorIdentifier(final String nodeIdValue,
+ final String nodeConnectorIdValue) {
+ return createNodePath(new NodeId(nodeIdValue))
+ .child(NodeConnector.class, new NodeConnectorKey(new NodeConnectorId(nodeConnectorIdValue)));
+ }
+
+ /**
+ * @param nodeConnectorRef
+ * @return
+ */
+ public static InstanceIdentifier<Node> generateNodeInstanceIdentifier(final NodeConnectorRef nodeConnectorRef) {
+ return nodeConnectorRef.getValue().firstIdentifierOf(Node.class);
+ }
+
+ /**
+ * @param nodeConnectorRef
+ * @param flowTableKey
+ * @return
+ */
+ public static InstanceIdentifier<Table> generateFlowTableInstanceIdentifier(final NodeConnectorRef nodeConnectorRef, final TableKey flowTableKey) {
+ return generateNodeInstanceIdentifier(nodeConnectorRef).builder()
+ .augmentation(FlowCapableNode.class)
+ .child(Table.class, flowTableKey)
+ .build();
+ }
+
+ /**
+ * @param nodeConnectorRef
+ * @param flowTableKey
+ * @param flowKey
+ * @return
+ */
+ public static InstanceIdentifier<Flow> generateFlowInstanceIdentifier(final NodeConnectorRef nodeConnectorRef,
+ final TableKey flowTableKey,
+ final FlowKey flowKey) {
+ return generateFlowTableInstanceIdentifier(nodeConnectorRef, flowTableKey).child(Flow.class, flowKey);
+ }
+
+ public static InstanceIdentifier<Topology> generateTopologyInstanceIdentifier(final String topologyId) {
+ return InstanceIdentifier.builder(NetworkTopology.class)
+ .child(Topology.class, new TopologyKey(new TopologyId(topologyId)))
+ .build();
+ }