Updated handling of ack messages

Issue-ID: POLICY-3417
Signed-off-by: Sirisha_Manchikanti <sirisha.manchikanti@est.tech>
Change-Id: I5784debf2e17fd1018b3feb7c9e2ae08d5f93d23

6 files changed, 159 insertions, 8 deletions

diff --git a/runtime-controlloop/src/main/java/org/onap/policy/clamp/controlloop/runtime/supervision/SupervisionHandler.java b/runtime-controlloop/src/main/java/org/onap/policy/clamp/controlloop/runtime/supervision/SupervisionHandler.java
index 7cc5d7fee..561d4fdf5 100644
--- a/runtime-controlloop/src/main/java/org/onap/policy/clamp/controlloop/runtime/supervision/SupervisionHandler.java
+++ b/runtime-controlloop/src/main/java/org/onap/policy/clamp/controlloop/runtime/supervision/SupervisionHandler.java
@@ -31,6 +31,7 @@ import org.onap.policy.clamp.controlloop.models.controlloop.concepts.ControlLoop
 import org.onap.policy.clamp.controlloop.models.controlloop.concepts.Participant;
 import org.onap.policy.clamp.controlloop.models.controlloop.persistence.provider.ControlLoopProvider;
 import org.onap.policy.clamp.controlloop.models.controlloop.persistence.provider.ParticipantProvider;
+import org.onap.policy.clamp.controlloop.models.messages.dmaap.participant.ControlLoopAck;
 import org.onap.policy.clamp.controlloop.models.messages.dmaap.participant.ParticipantDeregister;
 import org.onap.policy.clamp.controlloop.models.messages.dmaap.participant.ParticipantRegister;
 import org.onap.policy.clamp.controlloop.models.messages.dmaap.participant.ParticipantStatus;
@@ -190,6 +191,26 @@ public class SupervisionHandler {
     }
 
     /**
+     * Handle a ControlLoop update acknowledge message from a participant.
+     *
+     * @param controlLoopAckMessage the ControlLoopAck message received from a participant
+     */
+    @MessageIntercept
+    public void handleControlLoopUpdateAckMessage(ControlLoopAck controlLoopAckMessage) {
+        LOGGER.debug("ControlLoop Update Ack message received {}", controlLoopAckMessage);
+    }
+
+    /**
+     * Handle a ControlLoop statechange acknowledge message from a participant.
+     *
+     * @param controlLoopAckMessage the ControlLoopAck message received from a participant
+     */
+    @MessageIntercept
+    public void handleControlLoopStateChangeAckMessage(ControlLoopAck controlLoopAckMessage) {
+        LOGGER.debug("ControlLoop StateChange Ack message received {}", controlLoopAckMessage);
+    }
+
+    /**
      * Supervise a control loop, performing whatever actions need to be performed on the control loop.
      *
      * @param controlLoop the control loop to supervises
diff --git a/runtime-controlloop/src/main/java/org/onap/policy/clamp/controlloop/runtime/supervision/comm/ControlLoopStateChangeAckListener.java b/runtime-controlloop/src/main/java/org/onap/policy/clamp/controlloop/runtime/supervision/comm/ControlLoopStateChangeAckListener.java
new file mode 100644
index 000000000..dd08b7a0f
--- /dev/null
+++ b/runtime-controlloop/src/main/java/org/onap/policy/clamp/controlloop/runtime/supervision/comm/ControlLoopStateChangeAckListener.java
@@ -0,0 +1,67 @@
+/*-
+ * ============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.runtime.supervision.comm;
+
+import org.onap.policy.clamp.controlloop.models.messages.dmaap.participant.ControlLoopAck;
+import org.onap.policy.clamp.controlloop.models.messages.dmaap.participant.ParticipantMessageType;
+import org.onap.policy.clamp.controlloop.runtime.config.messaging.Listener;
+import org.onap.policy.clamp.controlloop.runtime.supervision.SupervisionHandler;
+import org.onap.policy.common.endpoints.event.comm.Topic.CommInfrastructure;
+import org.onap.policy.common.endpoints.listeners.ScoListener;
+import org.onap.policy.common.utils.coder.StandardCoderObject;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+import org.springframework.stereotype.Component;
+
+/**
+ * Listener for ControlLoopStateChangeAck messages sent by participants.
+ */
+@Component
+public class ControlLoopStateChangeAckListener extends ScoListener<ControlLoopAck> implements Listener {
+    private static final Logger LOGGER = LoggerFactory.getLogger(ControlLoopStateChangeAckListener.class);
+
+    private final SupervisionHandler supervisionHandler;
+
+    /**
+     * Constructs the object.
+     */
+    public ControlLoopStateChangeAckListener(SupervisionHandler supervisionHandler) {
+        super(ControlLoopAck.class);
+        this.supervisionHandler = supervisionHandler;
+    }
+
+    @Override
+    public void onTopicEvent(final CommInfrastructure infra, final String topic, final StandardCoderObject sco,
+            final ControlLoopAck controlLoopStateChangeAckMessage) {
+        LOGGER.debug("ControlLoopStateChangeAck received from participant - {}", controlLoopStateChangeAckMessage);
+        supervisionHandler.handleControlLoopStateChangeAckMessage(controlLoopStateChangeAckMessage);
+    }
+
+    @Override
+    public ScoListener<ControlLoopAck> getScoListener() {
+        return this;
+    }
+
+    @Override
+    public String getType() {
+        return ParticipantMessageType.CONTROLLOOP_STATECHANGE_ACK.name();
+    }
+}
diff --git a/runtime-controlloop/src/main/java/org/onap/policy/clamp/controlloop/runtime/supervision/comm/ControlLoopUpdateAckListener.java b/runtime-controlloop/src/main/java/org/onap/policy/clamp/controlloop/runtime/supervision/comm/ControlLoopUpdateAckListener.java
new file mode 100644
index 000000000..2f14dc8f5
--- /dev/null
+++ b/runtime-controlloop/src/main/java/org/onap/policy/clamp/controlloop/runtime/supervision/comm/ControlLoopUpdateAckListener.java
@@ -0,0 +1,67 @@
+/*-
+ * ============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.runtime.supervision.comm;
+
+import org.onap.policy.clamp.controlloop.models.messages.dmaap.participant.ControlLoopAck;
+import org.onap.policy.clamp.controlloop.models.messages.dmaap.participant.ParticipantMessageType;
+import org.onap.policy.clamp.controlloop.runtime.config.messaging.Listener;
+import org.onap.policy.clamp.controlloop.runtime.supervision.SupervisionHandler;
+import org.onap.policy.common.endpoints.event.comm.Topic.CommInfrastructure;
+import org.onap.policy.common.endpoints.listeners.ScoListener;
+import org.onap.policy.common.utils.coder.StandardCoderObject;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+import org.springframework.stereotype.Component;
+
+/**
+ * Listener for ControlLoopUpdateAck messages sent by participants.
+ */
+@Component
+public class ControlLoopUpdateAckListener extends ScoListener<ControlLoopAck> implements Listener {
+    private static final Logger LOGGER = LoggerFactory.getLogger(ControlLoopUpdateAckListener.class);
+
+    private final SupervisionHandler supervisionHandler;
+
+    /**
+     * Constructs the object.
+     */
+    public ControlLoopUpdateAckListener(SupervisionHandler supervisionHandler) {
+        super(ControlLoopAck.class);
+        this.supervisionHandler = supervisionHandler;
+    }
+
+    @Override
+    public void onTopicEvent(final CommInfrastructure infra, final String topic, final StandardCoderObject sco,
+            final ControlLoopAck controlLoopUpdateAckMessage) {
+        LOGGER.debug("ControlLoopUpdateAck message received from participant - {}", controlLoopUpdateAckMessage);
+        supervisionHandler.handleControlLoopUpdateAckMessage(controlLoopUpdateAckMessage);
+    }
+
+    @Override
+    public ScoListener<ControlLoopAck> getScoListener() {
+        return this;
+    }
+
+    @Override
+    public String getType() {
+        return ParticipantMessageType.CONTROLLOOP_UPDATE_ACK.name();
+    }
+}
diff --git a/runtime-controlloop/src/main/java/org/onap/policy/clamp/controlloop/runtime/supervision/comm/ControlLoopUpdatePublisher.java b/runtime-controlloop/src/main/java/org/onap/policy/clamp/controlloop/runtime/supervision/comm/ControlLoopUpdatePublisher.java
index be9a2a27d..35219bb68 100644
--- a/runtime-controlloop/src/main/java/org/onap/policy/clamp/controlloop/runtime/supervision/comm/ControlLoopUpdatePublisher.java
+++ b/runtime-controlloop/src/main/java/org/onap/policy/clamp/controlloop/runtime/supervision/comm/ControlLoopUpdatePublisher.java
@@ -22,17 +22,13 @@ package org.onap.policy.clamp.controlloop.runtime.supervision.comm;
 
 import java.time.Instant;
 import java.util.ArrayList;
-import java.util.LinkedHashMap;
 import java.util.List;
-import java.util.Map;
 import java.util.UUID;
 import lombok.AllArgsConstructor;
 import org.onap.policy.clamp.controlloop.models.controlloop.concepts.ControlLoop;
 import org.onap.policy.clamp.controlloop.models.controlloop.concepts.ControlLoopElement;
-import org.onap.policy.clamp.controlloop.models.controlloop.concepts.ParticipantDefinition;
 import org.onap.policy.clamp.controlloop.models.controlloop.concepts.ParticipantUpdates;
 import org.onap.policy.clamp.controlloop.models.messages.dmaap.participant.ControlLoopUpdate;
-import org.onap.policy.models.tosca.authorative.concepts.ToscaConceptIdentifier;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 import org.springframework.stereotype.Component;
diff --git a/runtime-controlloop/src/main/java/org/onap/policy/clamp/controlloop/runtime/supervision/comm/ParticipantUpdatePublisher.java b/runtime-controlloop/src/main/java/org/onap/policy/clamp/controlloop/runtime/supervision/comm/ParticipantUpdatePublisher.java
index d5dc4a6d0..d239f38cb 100644
--- a/runtime-controlloop/src/main/java/org/onap/policy/clamp/controlloop/runtime/supervision/comm/ParticipantUpdatePublisher.java
+++ b/runtime-controlloop/src/main/java/org/onap/policy/clamp/controlloop/runtime/supervision/comm/ParticipantUpdatePublisher.java
@@ -49,9 +49,9 @@ import org.springframework.stereotype.Component;
 public class ParticipantUpdatePublisher extends AbstractParticipantPublisher<ParticipantUpdate> {
 
     private static final Logger LOGGER = LoggerFactory.getLogger(ParticipantUpdatePublisher.class);
-    private static final String CONTROL_LOOP_ELEMENT = "ControlLoopElement";
-    private final PolicyModelsProvider modelsProvider;
+    private static final String CONTROL_LOOP_ELEMENT = "org.onap.policy.clamp.controlloop.ControlLoopElement";
     private static final Coder CODER = new StandardCoder();
+    private final PolicyModelsProvider modelsProvider;
 
     /**
      * Send ParticipantUpdate to Participant.
@@ -60,7 +60,7 @@ public class ParticipantUpdatePublisher extends AbstractParticipantPublisher<Par
      * @param participantType the participant Type
      */
     public void send(ToscaConceptIdentifier participantId, ToscaConceptIdentifier participantType,
-                     boolean commissionFlag) {
+            boolean commissionFlag) {
         var message = new ParticipantUpdate();
         message.setParticipantId(participantId);
         message.setParticipantType(participantType);
diff --git a/runtime-controlloop/src/test/java/org/onap/policy/clamp/controlloop/runtime/supervision/comm/SupervisionMessagesTest.java b/runtime-controlloop/src/test/java/org/onap/policy/clamp/controlloop/runtime/supervision/comm/SupervisionMessagesTest.java
index 73ec4e482..f1a272835 100644
--- a/runtime-controlloop/src/test/java/org/onap/policy/clamp/controlloop/runtime/supervision/comm/SupervisionMessagesTest.java
+++ b/runtime-controlloop/src/test/java/org/onap/policy/clamp/controlloop/runtime/supervision/comm/SupervisionMessagesTest.java
@@ -77,7 +77,7 @@ class SupervisionMessagesTest extends CommonRestController {
     private static final YamlJsonTranslator yamlTranslator = new YamlJsonTranslator();
     private static final String TOSCA_TEMPLATE_YAML =
             "src/test/resources/rest/servicetemplates/pmsh_multiple_cl_tosca.yaml";
-    private static final String CONTROL_LOOP_ELEMENT = "ControlLoopElement";
+    private static final String CONTROL_LOOP_ELEMENT = "org.onap.policy.clamp.controlloop.ControlLoopElement";
     private static final Coder CODER = new StandardCoder();
 
     /**