DistributedDeviceStore

Change-Id: I34cf5a787bf0f9d16840bf2e3cc8d0167060f628
diff --git a/core/store/src/main/java/org/onlab/onos/store/serializers/LinkKeySerializer.java b/core/store/src/main/java/org/onlab/onos/store/serializers/LinkKeySerializer.java
new file mode 100644
index 0000000..f635f3c
--- /dev/null
+++ b/core/store/src/main/java/org/onlab/onos/store/serializers/LinkKeySerializer.java
@@ -0,0 +1,35 @@
+package org.onlab.onos.store.serializers;
+
+import org.onlab.onos.net.ConnectPoint;
+import org.onlab.onos.net.LinkKey;
+import com.esotericsoftware.kryo.Kryo;
+import com.esotericsoftware.kryo.Serializer;
+import com.esotericsoftware.kryo.io.Input;
+import com.esotericsoftware.kryo.io.Output;
+
+/**
+ * Kryo Serializer for {@link LinkKey}.
+ */
+public class LinkKeySerializer extends Serializer<LinkKey> {
+
+    /**
+     * Default constructor.
+     */
+    public LinkKeySerializer() {
+        // non-null, immutable
+        super(false, true);
+    }
+
+    @Override
+    public void write(Kryo kryo, Output output, LinkKey object) {
+        kryo.writeClassAndObject(output, object.src());
+        kryo.writeClassAndObject(output, object.dst());
+    }
+
+    @Override
+    public LinkKey read(Kryo kryo, Input input, Class<LinkKey> type) {
+        ConnectPoint src = (ConnectPoint) kryo.readClassAndObject(input);
+        ConnectPoint dst = (ConnectPoint) kryo.readClassAndObject(input);
+        return new LinkKey(src, dst);
+    }
+}