diff --git a/core/api/src/main/java/org/onosproject/net/topology/AdapterLinkWeigher.java b/core/api/src/main/java/org/onosproject/net/topology/AdapterLinkWeigher.java
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+++ b/core/api/src/main/java/org/onosproject/net/topology/AdapterLinkWeigher.java
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+/*
+ * Copyright 2016-present 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.topology;
+
+import org.onlab.graph.DefaultEdgeWeigher;
+import org.onlab.graph.ScalarWeight;
+import org.onlab.graph.Weight;
+
+/**
+ * Wrapper which transforms double-based link weigher to {@link Weight}-based
+ * link weigher.
+ */
+public final class AdapterLinkWeigher
+        extends DefaultEdgeWeigher<TopologyVertex, TopologyEdge>
+        implements LinkWeigher {
+
+    private final LinkWeight doubleWeigher;
+
+    private AdapterLinkWeigher(LinkWeight doubleWeigher) {
+        this.doubleWeigher = doubleWeigher;
+    }
+
+    @Override
+    public Weight weight(TopologyEdge edge) {
+        return new ScalarWeight(doubleWeigher.weight(edge));
+    }
+
+    /**
+     * Transforms double-based link weigher to {@link Weight}-based weigher.
+     *
+     * @param lw double-based weigher
+     * @return {@link Weight}-based weigher
+     */
+    public static LinkWeigher adapt(LinkWeight lw) {
+        return lw == null ? null : new AdapterLinkWeigher(lw);
+    }
+}