ONOS-1066: Move IntentCompilers to the dedicated package
Change-Id: I3e588cab0559093d389c9d44d2c7df536cabe953
diff --git a/core/net/src/main/java/org/onosproject/net/intent/impl/compiler/OpticalConnectivityIntentCompiler.java b/core/net/src/main/java/org/onosproject/net/intent/impl/compiler/OpticalConnectivityIntentCompiler.java
new file mode 100644
index 0000000..eeb2244
--- /dev/null
+++ b/core/net/src/main/java/org/onosproject/net/intent/impl/compiler/OpticalConnectivityIntentCompiler.java
@@ -0,0 +1,100 @@
+/*
+ * Copyright 2014 Open Networking Laboratory
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.onosproject.net.intent.impl.compiler;
+
+import com.google.common.collect.ImmutableList;
+import org.apache.felix.scr.annotations.Activate;
+import org.apache.felix.scr.annotations.Component;
+import org.apache.felix.scr.annotations.Deactivate;
+import org.apache.felix.scr.annotations.Reference;
+import org.apache.felix.scr.annotations.ReferenceCardinality;
+import org.onosproject.net.ConnectPoint;
+import org.onosproject.net.Link;
+import org.onosproject.net.Path;
+import org.onosproject.net.intent.Intent;
+import org.onosproject.net.intent.IntentCompiler;
+import org.onosproject.net.intent.IntentExtensionService;
+import org.onosproject.net.intent.OpticalConnectivityIntent;
+import org.onosproject.net.intent.OpticalPathIntent;
+import org.onosproject.net.intent.impl.PathNotFoundException;
+import org.onosproject.net.resource.LinkResourceAllocations;
+import org.onosproject.net.topology.LinkWeight;
+import org.onosproject.net.topology.Topology;
+import org.onosproject.net.topology.TopologyEdge;
+import org.onosproject.net.topology.TopologyService;
+
+import java.util.List;
+import java.util.Set;
+
+/**
+ * An intent compiler for {@link org.onosproject.net.intent.OpticalConnectivityIntent}.
+ */
+@Component(immediate = true)
+public class OpticalConnectivityIntentCompiler implements IntentCompiler<OpticalConnectivityIntent> {
+
+ @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY)
+ protected IntentExtensionService intentManager;
+
+ @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY)
+ protected TopologyService topologyService;
+
+ @Activate
+ public void activate() {
+ intentManager.registerCompiler(OpticalConnectivityIntent.class, this);
+ }
+
+ @Deactivate
+ public void deactivate() {
+ intentManager.unregisterCompiler(OpticalConnectivityIntent.class);
+ }
+
+ @Override
+ public List<Intent> compile(OpticalConnectivityIntent intent,
+ List<Intent> installable,
+ Set<LinkResourceAllocations> resources) {
+ // TODO: compute multiple paths using the K-shortest path algorithm
+ Path path = calculateOpticalPath(intent.getSrc(), intent.getDst());
+ Intent newIntent = new OpticalPathIntent(intent.appId(),
+ intent.getSrc(),
+ intent.getDst(),
+ path);
+ return ImmutableList.of(newIntent);
+ }
+
+ private Path calculateOpticalPath(ConnectPoint start, ConnectPoint end) {
+ // TODO: support user policies
+ Topology topology = topologyService.currentTopology();
+ LinkWeight weight = new LinkWeight() {
+ @Override
+ public double weight(TopologyEdge edge) {
+ if (edge.link().state() == Link.State.INACTIVE) {
+ return -1;
+ }
+ return edge.link().type() == Link.Type.OPTICAL ? +1 : -1;
+ }
+ };
+
+ Set<Path> paths = topologyService.getPaths(topology, start.deviceId(),
+ end.deviceId(), weight);
+ if (paths.isEmpty()) {
+ throw new PathNotFoundException(start.elementId(), end.elementId());
+ }
+
+ // TODO: let's be more intelligent about this eventually
+ return paths.iterator().next();
+ }
+
+}