BUG-625: convert TopologyMapping

[controller.git] / opendaylight / md-sal / compatibility / sal-compatibility / src / main / java / org / opendaylight / controller / sal / compatibility / topology / TopologyMapping.java

diff --git a/opendaylight/md-sal/compatibility/sal-compatibility/src/main/java/org/opendaylight/controller/sal/compatibility/topology/TopologyMapping.java b/opendaylight/md-sal/compatibility/sal-compatibility/src/main/java/org/opendaylight/controller/sal/compatibility/topology/TopologyMapping.java
new file mode 100644 (file)
index 0000000..476a71a
--- /dev/null
+++ b/opendaylight/md-sal/compatibility/sal-compatibility/src/main/java/org/opendaylight/controller/sal/compatibility/topology/TopologyMapping.java
@@ -0,0 +1,112 @@
+/*
+ * Copyright (c) 2014 Cisco Systems, Inc. and others.  All rights reserved.
+ *
+ * This program and the accompanying materials are made available under the
+ * terms of the Eclipse Public License v1.0 which accompanies this distribution,
+ * and is available at http://www.eclipse.org/legal/epl-v10.html
+ */
+package org.opendaylight.controller.sal.compatibility.topology;
+
+import static com.google.common.base.Preconditions.checkNotNull;
+
+import java.util.List;
+import java.util.Set;
+import java.util.concurrent.CopyOnWriteArrayList;
+
+import org.opendaylight.controller.md.sal.binding.util.TypeSafeDataReader;
+import org.opendaylight.controller.sal.compatibility.NodeMapping;
+import org.opendaylight.controller.sal.core.ConstructionException;
+import org.opendaylight.controller.sal.core.Edge;
+import org.opendaylight.controller.sal.core.Node;
+import org.opendaylight.controller.sal.core.NodeConnector;
+import org.opendaylight.controller.sal.core.Property;
+import org.opendaylight.controller.sal.core.UpdateType;
+import org.opendaylight.controller.sal.topology.TopoEdgeUpdate;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.NodeConnectorRef;
+import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.NodeId;
+import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.TpId;
+import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.Topology;
+import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.topology.Link;
+import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import com.google.common.base.Function;
+import com.google.common.collect.FluentIterable;
+
+public final class TopologyMapping {
+    private static final Logger LOG = LoggerFactory.getLogger(TopologyMapping.class);
+
+    private TopologyMapping() {
+        throw new UnsupportedOperationException("Utility class. Instantiation is not allowed.");
+    }
+
+    public static List<TopoEdgeUpdate> toADEdgeUpdates(final Topology topology,final TypeSafeDataReader reader) {
+        final List<TopoEdgeUpdate> result = new CopyOnWriteArrayList<>();
+        return FluentIterable.from(topology.getLink()).transform(
+                new Function<Link, TopoEdgeUpdate>() {
+                    @Override
+                    public TopoEdgeUpdate apply(final Link input) {
+                        try {
+                            return toTopoEdgeUpdate(toAdEdge(input, topology), reader);
+                        } catch (ConstructionException e) {
+                            throw new IllegalArgumentException(String.format("Failed to construct edge update for {}", input), e);
+                        }
+                    }}
+                ).copyInto(result);
+    }
+
+    public static Edge toAdEdge(final Link link, final Topology topology) throws ConstructionException {
+        final NodeConnector adSrc = toADNodeConnector(link.getSource().getSourceTp(), link.getSource().getSourceNode());
+        final NodeConnector adDst = toADNodeConnector(link.getDestination().getDestTp(), link.getDestination().getDestNode());
+        return new Edge(adSrc, adDst);
+    }
+
+    public static TopoEdgeUpdate toTopoEdgeUpdate(final Edge e, final TypeSafeDataReader reader) {
+        return toTopoEdgeUpdate(e, UpdateType.ADDED, reader);
+    }
+
+    public static TopoEdgeUpdate toTopoEdgeUpdate(final Edge e,final UpdateType type,final TypeSafeDataReader reader) {
+        return new TopoEdgeUpdate(e, toAdEdgeProperties(e, reader), type);
+    }
+
+    public static Set<Property> toAdEdgeProperties(final Edge e,final TypeSafeDataReader reader) {
+        final NodeConnectorRef ncref = NodeMapping.toNodeConnectorRef(e.getTailNodeConnector());
+        if(ncref == null) {
+            LOG.debug("Edge {} ncref {}",e,ncref);
+            return null;
+        }
+
+        @SuppressWarnings("unchecked")
+        final InstanceIdentifier<org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.node.NodeConnector> ncInstanceId =
+        (InstanceIdentifier<org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.node.NodeConnector>) ncref.getValue();
+        if(ncInstanceId == null) {
+            LOG.debug("Edge {} ncref {}",e,ncref);
+            return null;
+        }
+
+        final  org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.node.NodeConnector nc = reader.readOperationalData(ncInstanceId);
+        if(nc == null) {
+            return null;
+        }
+        return NodeMapping.toADNodeConnectorProperties(nc);
+    }
+
+    public static String toADNodeId(final NodeId nodeId) {
+        return nodeId.getValue();
+    }
+
+    public static NodeConnector toADNodeConnector(final TpId source, final NodeId nodeId) throws ConstructionException {
+        checkNotNull(source);
+        return new NodeConnector(NodeMapping.MD_SAL_TYPE, toADNodeConnectorId(source), toADNode(nodeId));
+    }
+
+    public static String toADNodeConnectorId(final TpId nodeConnectorId) {
+        return nodeConnectorId.getValue();
+    }
+
+    public static Node toADNode(final NodeId nodeId) throws ConstructionException {
+        checkNotNull(nodeId);
+        return new Node(NodeMapping.MD_SAL_TYPE, toADNodeId(nodeId));
+    }
+}