2 * ============LICENSE_START======================================================================
3 * Copyright (C) 2023 Nordix Foundation. All rights reserved.
4 * Copyright (C) 2024 OpenInfra Foundation Europe. All rights reserved.
5 * ===============================================================================================
6 * Licensed under the Apache License, Version 2.0 (the "License");
7 * you may not use this file except in compliance with the License.
8 * You may obtain a copy of the License at
10 * http://www.apache.org/licenses/LICENSE-2.0
12 * Unless required by applicable law or agreed to in writing, software
13 * distributed under the License is distributed on an "AS IS" BASIS,
14 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
15 * See the License for the specific language governing permissions and
16 * limitations under the License.
17 * ============LICENSE_END========================================================================
20 package com.oransc.rappmanager.models.statemachine;
22 import com.oransc.rappmanager.models.rapp.RappEvent;
23 import com.oransc.rappmanager.models.rappinstance.RappInstance;
24 import com.oransc.rappmanager.models.rappinstance.RappInstanceState;
25 import java.util.HashMap;
27 import java.util.UUID;
28 import lombok.RequiredArgsConstructor;
29 import org.slf4j.Logger;
30 import org.slf4j.LoggerFactory;
31 import org.springframework.messaging.support.MessageBuilder;
32 import org.springframework.statemachine.StateMachine;
33 import org.springframework.statemachine.config.StateMachineFactory;
34 import org.springframework.stereotype.Service;
35 import reactor.core.publisher.Mono;
38 @RequiredArgsConstructor
39 public class RappInstanceStateMachine {
41 Logger logger = LoggerFactory.getLogger(RappInstanceStateMachine.class);
43 private final StateMachineFactory<RappInstanceState, RappEvent> stateMachineFactory;
44 Map<UUID, StateMachine<RappInstanceState, RappEvent>> stateMachineMap = new HashMap<>();
46 public void onboardRappInstance(UUID rappInstanceId) {
47 StateMachine<RappInstanceState, RappEvent> stateMachine = stateMachineFactory.getStateMachine(rappInstanceId);
48 stateMachineMap.put(rappInstanceId, stateMachine);
49 stateMachine.startReactively().subscribe();
52 public void sendRappInstanceEvent(RappInstance rappInstance, RappEvent rappEvent) {
53 logger.info("Sending rapp instance event {} for {}", rappEvent.name(), rappInstance.getRappInstanceId());
54 logger.debug("State machine map is {}", stateMachineMap);
55 stateMachineMap.get(rappInstance.getRappInstanceId()).getExtendedState().getVariables()
56 .put("sme", rappInstance.isSMEEnabled());
57 stateMachineMap.get(rappInstance.getRappInstanceId()).getExtendedState().getVariables()
58 .put("dme", rappInstance.isDMEEnabled());
59 stateMachineMap.get(rappInstance.getRappInstanceId())
60 .sendEvent(Mono.just(MessageBuilder.withPayload(rappEvent).build())).subscribe();
63 public RappInstanceState getRappInstanceState(UUID rappInstanceId) {
64 return stateMachineMap.get(rappInstanceId).getState().getId();
67 public void deleteRappInstance(RappInstance rappInstance) {
68 stateMachineMap.get(rappInstance.getRappInstanceId()).stopReactively().subscribe();
69 stateMachineMap.remove(rappInstance.getRappInstanceId());