2 * ============LICENSE_START=======================================================
3 * Copyright (C) 2024 Nordix Foundation.
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.models.acm.concepts.AutomationComposition;
28 import org.onap.policy.clamp.models.acm.concepts.LockState;
29 import org.onap.policy.clamp.models.acm.concepts.ParticipantUtils;
30 import org.onap.policy.clamp.models.acm.concepts.SubState;
31 import org.onap.policy.clamp.models.acm.messages.kafka.participant.AutomationCompositionStateChange;
32 import org.slf4j.Logger;
33 import org.slf4j.LoggerFactory;
34 import org.springframework.stereotype.Component;
37 @RequiredArgsConstructor
38 public class AcLockHandler {
40 private static final Logger LOGGER = LoggerFactory.getLogger(AcLockHandler.class);
42 private final CacheProvider cacheProvider;
43 private final ThreadHandler listener;
46 * Handle a automation composition state change message.
48 * @param stateChangeMsg the state change message
50 public void handleAutomationCompositionStateChange(AutomationCompositionStateChange stateChangeMsg) {
51 if (stateChangeMsg.getAutomationCompositionId() == null) {
55 var automationComposition = cacheProvider.getAutomationComposition(stateChangeMsg.getAutomationCompositionId());
57 if (automationComposition == null) {
58 LOGGER.debug("Automation composition {} does not use this participant",
59 stateChangeMsg.getAutomationCompositionId());
63 switch (stateChangeMsg.getLockOrderedState()) {
64 case LOCK -> handleLockState(stateChangeMsg.getMessageId(), automationComposition,
65 stateChangeMsg.getStartPhase());
66 case UNLOCK -> handleUnlockState(stateChangeMsg.getMessageId(), automationComposition,
67 stateChangeMsg.getStartPhase());
68 default -> LOGGER.error("StateChange message has no lock order {}", automationComposition.getKey());
72 private void handleLockState(UUID messageId, final AutomationComposition automationComposition,
73 Integer startPhaseMsg) {
74 automationComposition.setLockState(LockState.LOCKING);
75 var serviceTemplateFragment = cacheProvider
76 .getServiceTemplateFragmentMap().get(automationComposition.getCompositionId());
77 for (var element : automationComposition.getElements().values()) {
78 var compositionInProperties = cacheProvider
79 .getCommonProperties(automationComposition.getCompositionId(), element.getDefinition());
80 int startPhase = ParticipantUtils.findStartPhase(compositionInProperties);
81 if (startPhaseMsg.equals(startPhase)) {
82 element.setLockState(LockState.LOCKING);
83 element.setSubState(SubState.NONE);
84 var compositionElement = cacheProvider.createCompositionElementDto(
85 automationComposition.getCompositionId(), element, compositionInProperties);
86 var instanceElement = new InstanceElementDto(automationComposition.getInstanceId(), element.getId(),
87 serviceTemplateFragment, element.getProperties(), element.getOutProperties());
88 listener.lock(messageId, compositionElement, instanceElement);
93 private void handleUnlockState(UUID messageId, final AutomationComposition automationComposition,
94 Integer startPhaseMsg) {
95 automationComposition.setLockState(LockState.UNLOCKING);
96 var serviceTemplateFragment = cacheProvider
97 .getServiceTemplateFragmentMap().get(automationComposition.getCompositionId());
98 for (var element : automationComposition.getElements().values()) {
99 var compositionInProperties = cacheProvider
100 .getCommonProperties(automationComposition.getCompositionId(), element.getDefinition());
101 int startPhase = ParticipantUtils.findStartPhase(compositionInProperties);
102 if (startPhaseMsg.equals(startPhase)) {
103 element.setLockState(LockState.UNLOCKING);
104 element.setSubState(SubState.NONE);
105 var compositionElement = cacheProvider.createCompositionElementDto(
106 automationComposition.getCompositionId(), element, compositionInProperties);
107 var instanceElement = new InstanceElementDto(automationComposition.getInstanceId(), element.getId(),
108 serviceTemplateFragment, element.getProperties(), element.getOutProperties());
109 listener.unlock(messageId, compositionElement, instanceElement);