Make all leaf intent classes immutable

Change-Id: I45a9ac42a401b707c0c0d91f2e55294f3571ca25
diff --git a/core/api/src/test/java/org/onosproject/net/intent/OpticalConnectivityIntentTest.java b/core/api/src/test/java/org/onosproject/net/intent/OpticalConnectivityIntentTest.java
new file mode 100644
index 0000000..7df220c
--- /dev/null
+++ b/core/api/src/test/java/org/onosproject/net/intent/OpticalConnectivityIntentTest.java
@@ -0,0 +1,35 @@
+/*
+ * Copyright 2015 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.intent;
+
+import org.junit.Test;
+
+import static org.onlab.junit.ImmutableClassChecker.assertThatClassIsImmutable;
+
+/**
+ * Unit tests for the OpticalConnectivityIntent class.
+ */
+public class OpticalConnectivityIntentTest {
+
+    /**
+     * Checks that the HostToHostIntent class is immutable.
+     */
+    @Test
+    public void testImmutability() {
+        assertThatClassIsImmutable(OpticalConnectivityIntent.class);
+    }
+
+}