ONOS checkin based on commit tag e796610b1f721d02f9b0e213cf6f7790c10ecd60

Change-Id: Ife8810491034fe7becdba75dda20de4267bd15cd

1 files changed, 85 insertions, 0 deletions

diff --git a/framework/src/onos/core/net/src/main/java/org/onosproject/net/intent/impl/compiler/SinglePointToMultiPointIntentCompiler.java b/framework/src/onos/core/net/src/main/java/org/onosproject/net/intent/impl/compiler/SinglePointToMultiPointIntentCompiler.java
new file mode 100644
index 00000000..56565908
--- /dev/null
+++ b/framework/src/onos/core/net/src/main/java/org/onosproject/net/intent/impl/compiler/SinglePointToMultiPointIntentCompiler.java
@@ -0,0 +1,85 @@
+/*
+ * Copyright 2014-2015 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.ImmutableSet;
+import org.apache.felix.scr.annotations.Activate;
+import org.apache.felix.scr.annotations.Component;
+import org.apache.felix.scr.annotations.Deactivate;
+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.LinkCollectionIntent;
+import org.onosproject.net.intent.SinglePointToMultiPointIntent;
+import org.onosproject.net.provider.ProviderId;
+import org.onosproject.net.resource.link.LinkResourceAllocations;
+
+import java.util.Collections;
+import java.util.HashSet;
+import java.util.List;
+import java.util.Set;
+
+@Component(immediate = true)
+public class SinglePointToMultiPointIntentCompiler
+        extends ConnectivityIntentCompiler<SinglePointToMultiPointIntent> {
+
+    // TODO: use off-the-shell core provider ID
+    private static final ProviderId PID =
+            new ProviderId("core", "org.onosproject.core", true);
+
+    @Activate
+    public void activate() {
+        intentManager.registerCompiler(SinglePointToMultiPointIntent.class,
+                                       this);
+    }
+
+    @Deactivate
+    public void deactivate() {
+        intentManager.unregisterCompiler(SinglePointToMultiPointIntent.class);
+    }
+
+
+    @Override
+    public List<Intent> compile(SinglePointToMultiPointIntent intent,
+                                List<Intent> installable,
+                                Set<LinkResourceAllocations> resources) {
+        Set<Link> links = new HashSet<>();
+
+        for (ConnectPoint egressPoint : intent.egressPoints()) {
+            if (egressPoint.deviceId().equals(intent.ingressPoint().deviceId())) {
+                continue;
+            }
+
+            Path path = getPath(intent, intent.ingressPoint().deviceId(), egressPoint.deviceId());
+            links.addAll(path.links());
+        }
+
+        Intent result = LinkCollectionIntent.builder()
+                .appId(intent.appId())
+                .key(intent.key())
+                .selector(intent.selector())
+                .treatment(intent.treatment())
+                .links(links)
+                .ingressPoints(ImmutableSet.of(intent.ingressPoint()))
+                .egressPoints(intent.egressPoints())
+                .priority(intent.priority())
+                .constraints(intent.constraints())
+                .build();
+
+        return Collections.singletonList(result);
+    }
+}