Add m2 model, including the LCM application

Issue-ID: POLICY-1948
Change-Id: I18a5231d3102073c928a591c9e91b241b7093680
Signed-off-by: Straubs, Ralph (rs8887) <rs8887@att.com>

2 files changed, 115 insertions, 0 deletions

diff --git a/controlloop/m2/adapters/src/main/java/org/onap/policy/m2/adapters/VirtualOnsetAdapter.java b/controlloop/m2/adapters/src/main/java/org/onap/policy/m2/adapters/VirtualOnsetAdapter.java
new file mode 100644
index 000000000..e9ca1164d
--- /dev/null
+++ b/controlloop/m2/adapters/src/main/java/org/onap/policy/m2/adapters/VirtualOnsetAdapter.java
@@ -0,0 +1,62 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * m2/adapters
+ * ================================================================================
+ * Copyright (C) 2020 AT&T Intellectual Property. All rights reserved.
+ * ================================================================================
+ * 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.
+ * ============LICENSE_END=========================================================
+ */
+
+package org.onap.policy.m2.adapters;
+
+import java.io.Serializable;
+
+import org.onap.policy.controlloop.ControlLoopEvent;
+import org.onap.policy.controlloop.ControlLoopNotification;
+import org.onap.policy.controlloop.VirtualControlLoopEvent;
+import org.onap.policy.controlloop.VirtualControlLoopNotification;
+
+import org.onap.policy.m2.base.OnsetAdapter;
+
+public class VirtualOnsetAdapter extends OnsetAdapter implements Serializable {
+    private static final long serialVersionUID = 1L;
+
+    private static VirtualOnsetAdapter instance = new VirtualOnsetAdapter();
+
+    /**
+     * This method is called to register the 'VirtualOnsetAdapter' instance
+     * under the 'VirtualControlLoopEvent' class. This method called in the
+     * static initialization code of the 'Actor' classes that use this
+     * adapter -- namely, 'AppcLcmActor'.
+     */
+    public static void register() {
+        OnsetAdapter.register(VirtualControlLoopEvent.class, instance);
+    }
+
+    /**
+     * This method overrides the associated 'OnsetAdapter' method.
+     */
+    @Override
+    public ControlLoopNotification createNotification(ControlLoopEvent event) {
+        if (event instanceof VirtualControlLoopEvent) {
+            return new VirtualControlLoopNotification((VirtualControlLoopEvent)event);
+        }
+
+        // Right now, the onset event from the transaction is used to locate
+        // the adapter. It is expected that the 'event' passed here will
+        // be of the same class, but that isn't always guaranteed. If this
+        // is not the case, the appropriate adapter is located in this way.
+        return OnsetAdapter.get(event).createNotification(event);
+    }
+}
diff --git a/controlloop/m2/adapters/src/test/java/org/onap/policy/m2/adapters/VirtualOnsetAdapterTest.java b/controlloop/m2/adapters/src/test/java/org/onap/policy/m2/adapters/VirtualOnsetAdapterTest.java
new file mode 100644
index 000000000..0ecbda672
--- /dev/null
+++ b/controlloop/m2/adapters/src/test/java/org/onap/policy/m2/adapters/VirtualOnsetAdapterTest.java
@@ -0,0 +1,53 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * adapters
+ * ================================================================================
+ * Copyright (C) 2020 AT&T Intellectual Property. All rights reserved.
+ * ================================================================================
+ * 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.
+ * ============LICENSE_END=========================================================
+ */
+
+package org.onap.policy.m2.adapters;
+
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertTrue;
+
+import org.junit.Test;
+
+import org.onap.policy.controlloop.ControlLoopEvent;
+import org.onap.policy.controlloop.ControlLoopNotification;
+import org.onap.policy.controlloop.VirtualControlLoopEvent;
+import org.onap.policy.controlloop.VirtualControlLoopNotification;
+import org.onap.policy.m2.base.OnsetAdapter;
+
+public class VirtualOnsetAdapterTest {
+
+    @Test
+    public void test() {
+        VirtualOnsetAdapter.register();
+        VirtualControlLoopEvent virtualControlLoopEvent = new VirtualControlLoopEvent();
+        VirtualOnsetAdapter virtualOnsetAdapter =
+            VirtualOnsetAdapter.class.cast(OnsetAdapter.get(virtualControlLoopEvent));
+        assertTrue(virtualOnsetAdapter != null);
+
+        ControlLoopNotification notification = virtualOnsetAdapter.createNotification(virtualControlLoopEvent);
+        assertTrue(notification != null);
+        // we want an exact class match, so 'instanceOf' is not being used
+        assertEquals(VirtualControlLoopNotification.class, notification.getClass());
+
+        ControlLoopEvent controlLoopEvent = new ControlLoopEvent() {};
+        notification = virtualOnsetAdapter.createNotification(controlLoopEvent);
+        assertTrue(notification != null);
+    }
+}