1 files changed, 55 insertions, 0 deletions
diff --git a/framework/src/onos/core/store/serializers/src/main/java/org/onosproject/store/serializers/ImmutableSetSerializer.java b/framework/src/onos/core/store/serializers/src/main/java/org/onosproject/store/serializers/ImmutableSetSerializer.java
new file mode 100644
index 00000000..cb9b0543
--- /dev/null
+++ b/framework/src/onos/core/store/serializers/src/main/java/org/onosproject/store/serializers/ImmutableSetSerializer.java
@@ -0,0 +1,55 @@
+/*
+ * Copyright 2014 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.store.serializers;
+
+import java.util.ArrayList;
+import java.util.List;
+
+import com.esotericsoftware.kryo.Kryo;
+import com.esotericsoftware.kryo.Serializer;
+import com.esotericsoftware.kryo.io.Input;
+import com.esotericsoftware.kryo.io.Output;
+import com.esotericsoftware.kryo.serializers.CollectionSerializer;
+import com.google.common.collect.ImmutableSet;
+
+/**
+* Kryo Serializer for {@link ImmutableSet}.
+*/
+public class ImmutableSetSerializer extends Serializer<ImmutableSet<?>> {
+
+    private final CollectionSerializer serializer = new CollectionSerializer();
+
+    /**
+     * Creates {@link ImmutableSet} serializer instance.
+     */
+    public ImmutableSetSerializer() {
+        // non-null, immutable
+        super(false, true);
+        serializer.setElementsCanBeNull(false);
+    }
+
+    @Override
+    public void write(Kryo kryo, Output output, ImmutableSet<?> object) {
+        kryo.writeObject(output, object.asList(), serializer);
+    }
+
+    @Override
+    public ImmutableSet<?> read(Kryo kryo, Input input,
+                                Class<ImmutableSet<?>> type) {
+        List<?> elms = kryo.readObject(input, ArrayList.class, serializer);
+        return ImmutableSet.copyOf(elms);
+    }
+}