HONEYCOMB-49: VPP classifier model. Translation layer implementation

Change-Id: I7d91f29f621fbb7ede9b3dd5d49a9b5c3ba58565
Signed-off-by: Marek Gradzki <mgradzki@cisco.com>

1 files changed, 41 insertions, 0 deletions

diff --git a/v3po/v3po2vpp/src/main/java/io/fd/honeycomb/v3po/translate/v3po/vppclassifier/VppNodeReader.java b/v3po/v3po2vpp/src/main/java/io/fd/honeycomb/v3po/translate/v3po/vppclassifier/VppNodeReader.java
new file mode 100644
index 000000000..aa8b4f9f3
--- /dev/null
+++ b/v3po/v3po2vpp/src/main/java/io/fd/honeycomb/v3po/translate/v3po/vppclassifier/VppNodeReader.java
@@ -0,0 +1,41 @@
+/*
+ * Copyright (c) 2016 Cisco and/or its affiliates.
+ *
+ * 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 io.fd.honeycomb.v3po.translate.v3po.vppclassifier;
+
+import javax.annotation.Nonnull;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.vpp.classifier.rev150603.PacketHandlingAction;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.vpp.classifier.rev150603.VppNode;
+import org.slf4j.Logger;
+
+interface VppNodeReader {
+
+    /**
+     * Converts vpp node index to YANG representation of vpp node.
+     *
+     * @param nodeIndex index of vpp node treated as signed integer.
+     * @return vpp node representation
+     */
+    default VppNode readVppNode(final int nodeIndex, @Nonnull final Logger log) {
+        final PacketHandlingAction action = PacketHandlingAction.forValue(nodeIndex);
+        if (action == null) {
+            // TODO: implement node index to name conversion after https://jira.fd.io/browse/VPP-203 is fixed
+            log.debug("VPP node index {} cannot be mapped to PacketHandlingAction", nodeIndex);
+            return null;
+        }
+        return new VppNode(action);
+    }
+}