1 files changed, 38 insertions, 0 deletions
diff --git a/mpls/impl/src/main/java/io/fd/hc2vpp/mpls/MplsInSegmentTranslator.java b/mpls/impl/src/main/java/io/fd/hc2vpp/mpls/MplsInSegmentTranslator.java
new file mode 100644
index 000000000..9f531bba4
--- /dev/null
+++ b/mpls/impl/src/main/java/io/fd/hc2vpp/mpls/MplsInSegmentTranslator.java
@@ -0,0 +1,38 @@
+/*
+ * Copyright (c) 2017 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.hc2vpp.mpls;
+
+import static com.google.common.base.Preconditions.checkArgument;
+
+import io.fd.vpp.jvpp.core.dto.MplsRouteAddDel;
+import javax.annotation.Nonnull;
+import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.mpls._static.rev170310._static.lsp_config.InSegment;
+import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.mpls._static.rev170310._static.lsp_config.in.segment.Type;
+import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.mpls._static.rev170310._static.lsp_config.in.segment.type.MplsLabel;
+
+/**
+ * Mixin that translates {@link InSegment} of {@link MplsLabel} type to {@link MplsRouteAddDel} message.
+ */
+interface MplsInSegmentTranslator {
+    default void translate(@Nonnull final InSegment inSegment, @Nonnull final MplsRouteAddDel request) {
+        checkArgument(inSegment != null, "Missing in-segment");
+        final Type type = inSegment.getType();
+        checkArgument(type instanceof MplsLabel, "Expecting in-segment of type mpls-label, but %s given.", type);
+        final Long label = ((MplsLabel) type).getIncomingLabel().getValue();
+        request.mrLabel = label.intValue();
+    }
+}