2 * ============LICENSE_START=======================================================
3 * Copyright (C) 2024-2025 OpenInfra Foundation Europe. All rights reserved.
4 * Modifications Copyright (C) 2021 AT&T Intellectual Property. 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.
18 * SPDX-License-Identifier: Apache-2.0
19 * ============LICENSE_END=========================================================
22 package org.onap.policy.clamp.acm.participant.intermediary.handler;
24 import java.util.UUID;
25 import lombok.RequiredArgsConstructor;
26 import org.onap.policy.clamp.acm.participant.intermediary.api.InstanceElementDto;
27 import org.onap.policy.clamp.acm.participant.intermediary.handler.cache.CacheProvider;
28 import org.onap.policy.clamp.models.acm.concepts.AutomationComposition;
29 import org.onap.policy.clamp.models.acm.concepts.LockState;
30 import org.onap.policy.clamp.models.acm.concepts.ParticipantUtils;
31 import org.onap.policy.clamp.models.acm.concepts.SubState;
32 import org.onap.policy.clamp.models.acm.messages.kafka.participant.AutomationCompositionStateChange;
33 import org.slf4j.Logger;
34 import org.slf4j.LoggerFactory;
35 import org.springframework.stereotype.Component;
38 @RequiredArgsConstructor
39 public class AcLockHandler {
41 private static final Logger LOGGER = LoggerFactory.getLogger(AcLockHandler.class);
43 private final CacheProvider cacheProvider;
44 private final ThreadHandler listener;
47 * Handle a automation composition state change message.
49 * @param stateChangeMsg the state change message
51 public void handleAutomationCompositionStateChange(AutomationCompositionStateChange stateChangeMsg) {
52 if (stateChangeMsg.getAutomationCompositionId() == null) {
56 var automationComposition = cacheProvider.getAutomationComposition(stateChangeMsg.getAutomationCompositionId());
58 if (automationComposition == null) {
59 LOGGER.debug("Automation composition {} does not use this participant",
60 stateChangeMsg.getAutomationCompositionId());
64 switch (stateChangeMsg.getLockOrderedState()) {
65 case LOCK -> handleLockState(stateChangeMsg.getMessageId(), automationComposition,
66 stateChangeMsg.getStartPhase());
67 case UNLOCK -> handleUnlockState(stateChangeMsg.getMessageId(), automationComposition,
68 stateChangeMsg.getStartPhase());
69 default -> LOGGER.error("StateChange message has no lock order {}", automationComposition.getKey());
73 private void handleLockState(UUID messageId, final AutomationComposition automationComposition,
74 Integer startPhaseMsg) {
75 automationComposition.setLockState(LockState.LOCKING);
76 for (var element : automationComposition.getElements().values()) {
77 var compositionInProperties = cacheProvider
78 .getCommonProperties(automationComposition.getCompositionId(), element.getDefinition());
79 int startPhase = ParticipantUtils.findStartPhase(compositionInProperties);
80 if (startPhaseMsg.equals(startPhase)) {
81 element.setLockState(LockState.LOCKING);
82 element.setSubState(SubState.NONE);
83 var compositionElement = cacheProvider.createCompositionElementDto(
84 automationComposition.getCompositionId(), element);
85 var instanceElement = new InstanceElementDto(automationComposition.getInstanceId(), element.getId(),
86 element.getProperties(), element.getOutProperties());
87 listener.lock(messageId, compositionElement, instanceElement);
92 private void handleUnlockState(UUID messageId, final AutomationComposition automationComposition,
93 Integer startPhaseMsg) {
94 automationComposition.setLockState(LockState.UNLOCKING);
95 for (var element : automationComposition.getElements().values()) {
96 var compositionInProperties = cacheProvider
97 .getCommonProperties(automationComposition.getCompositionId(), element.getDefinition());
98 int startPhase = ParticipantUtils.findStartPhase(compositionInProperties);
99 if (startPhaseMsg.equals(startPhase)) {
100 element.setLockState(LockState.UNLOCKING);
101 element.setSubState(SubState.NONE);
102 var compositionElement = cacheProvider.createCompositionElementDto(
103 automationComposition.getCompositionId(), element);
104 var instanceElement = new InstanceElementDto(automationComposition.getInstanceId(), element.getId(),
105 element.getProperties(), element.getOutProperties());
106 listener.unlock(messageId, compositionElement, instanceElement);