1 files changed, 75 insertions, 0 deletions
diff --git a/tosca-controlloop/participant/participant-impl/participant-impl-simulator/src/main/java/org/onap/policy/clamp/controlloop/participant/simulator/simulation/SimulationHandler.java b/tosca-controlloop/participant/participant-impl/participant-impl-simulator/src/main/java/org/onap/policy/clamp/controlloop/participant/simulator/simulation/SimulationHandler.java
new file mode 100644
index 000000000..7260318f0
--- /dev/null
+++ b/tosca-controlloop/participant/participant-impl/participant-impl-simulator/src/main/java/org/onap/policy/clamp/controlloop/participant/simulator/simulation/SimulationHandler.java
@@ -0,0 +1,75 @@
+/*-
+ * ============LICENSE_START=======================================================
+ *  Copyright (C) 2021 Nordix Foundation.
+ * ================================================================================
+ * 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.
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ * ============LICENSE_END=========================================================
+ */
+
+package org.onap.policy.clamp.controlloop.participant.simulator.simulation;
+
+import java.util.HashSet;
+import java.util.List;
+import java.util.Set;
+import org.onap.policy.clamp.controlloop.common.handler.ControlLoopHandler;
+import org.onap.policy.clamp.controlloop.participant.simulator.main.parameters.ParticipantSimulatorParameters;
+import org.onap.policy.clamp.controlloop.participant.simulator.simulation.rest.SimulationQueryElementController;
+import org.onap.policy.common.endpoints.event.comm.TopicSink;
+import org.onap.policy.common.endpoints.listeners.MessageTypeDispatcher;
+
+/**
+ * This class handles simulation of participants and control loop elements.
+ *
+ * <p/>It is effectively a singleton that is started at system start.
+ */
+public class SimulationHandler extends ControlLoopHandler {
+    /**
+     * Create a handler.
+     *
+     * @param parameters the parameters for access to the database
+     */
+    public SimulationHandler(ParticipantSimulatorParameters parameters) {
+        super(parameters.getDatabaseProviderParameters());
+    }
+
+    @Override
+    public Set<Class<?>> getProviderClasses() {
+        Set<Class<?>> providerClasses = new HashSet<>();
+
+        providerClasses.add(SimulationQueryElementController.class);
+
+        return providerClasses;
+    }
+
+    @Override
+    public void startAndRegisterListeners(MessageTypeDispatcher msgDispatcher) {
+        // No topic communication on this handler
+    }
+
+    @Override
+    public void startAndRegisterPublishers(List<TopicSink> topicSinks) {
+        // No topic communication on this handler
+    }
+
+    @Override
+    public void stopAndUnregisterPublishers() {
+        // No topic communication on this handler
+    }
+
+    @Override
+    public void stopAndUnregisterListeners(MessageTypeDispatcher msgDispatcher) {
+        // No topic communication on this handler
+    }
+}