2 * ============LICENSE_START=======================================================
3 * Copyright (C) 2019-2021 Nordix Foundation.
4 * Modifications Copyright (C) 2021 AT&T Intellectual Property. All rights reserved.
5 * Modifications Copyright (C) 2023 Bell Canada. All rights reserved.
6 * ================================================================================
7 * Licensed under the Apache License, Version 2.0 (the "License");
8 * you may not use this file except in compliance with the License.
9 * You may obtain a copy of the License at
11 * http://www.apache.org/licenses/LICENSE-2.0
13 * Unless required by applicable law or agreed to in writing, software
14 * distributed under the License is distributed on an "AS IS" BASIS,
15 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
16 * See the License for the specific language governing permissions and
17 * limitations under the License.
19 * SPDX-License-Identifier: Apache-2.0
20 * ============LICENSE_END=========================================================
23 package org.onap.policy.apex.services.onappf.handler;
25 import java.util.ArrayList;
26 import java.util.List;
27 import org.onap.policy.apex.services.onappf.ApexStarterConstants;
28 import org.onap.policy.apex.services.onappf.parameters.PdpStatusParameters;
29 import org.onap.policy.apex.services.onappf.parameters.ToscaPolicyTypeIdentifierParameters;
30 import org.onap.policy.common.utils.services.Registry;
31 import org.onap.policy.models.pdp.concepts.PdpResponseDetails;
32 import org.onap.policy.models.pdp.concepts.PdpStatus;
33 import org.onap.policy.models.pdp.enums.PdpHealthStatus;
34 import org.onap.policy.models.pdp.enums.PdpResponseStatus;
35 import org.onap.policy.models.pdp.enums.PdpState;
36 import org.onap.policy.models.tosca.authorative.concepts.ToscaConceptIdentifier;
37 import org.onap.policy.models.tosca.authorative.concepts.ToscaPolicy;
41 * This class supports the handling of pdp messages.
43 * @author Ajith Sreekumar (ajith.sreekumar@est.tech)
45 public class PdpMessageHandler {
48 * Method to create PdpStatus message from the parameters which will be saved to the context.
50 * @param instanceId instance id of apex pdp
51 * @param pdpStatusParameters pdp status parameters read from the configuration file
53 * @return pdpStatus the pdp status message
55 public PdpStatus createPdpStatusFromParameters(final String instanceId,
56 final PdpStatusParameters pdpStatusParameters) {
57 final var pdpStatus = new PdpStatus();
58 pdpStatus.setPdpGroup(pdpStatusParameters.getPdpGroup());
59 pdpStatus.setPdpType(pdpStatusParameters.getPdpType());
60 pdpStatus.setState(PdpState.PASSIVE);
61 pdpStatus.setHealthy(PdpHealthStatus.HEALTHY);
62 pdpStatus.setDescription(pdpStatusParameters.getDescription());
63 pdpStatus.setName(instanceId);
68 * Method to get supported policy types from the parameters.
70 * @param pdpStatusParameters pdp status parameters
71 * @return supportedPolicyTypes list of PolicyTypeIdent
73 public List<ToscaConceptIdentifier> getSupportedPolicyTypesFromParameters(
74 final PdpStatusParameters pdpStatusParameters) {
75 final List<ToscaConceptIdentifier> supportedPolicyTypes =
76 new ArrayList<>(pdpStatusParameters.getSupportedPolicyTypes().size());
77 for (final ToscaPolicyTypeIdentifierParameters policyTypeIdentParameters : pdpStatusParameters
78 .getSupportedPolicyTypes()) {
79 supportedPolicyTypes.add(new ToscaConceptIdentifier(policyTypeIdentParameters.getName(),
80 policyTypeIdentParameters.getVersion()));
82 return supportedPolicyTypes;
86 * Method to create PdpStatus message from the context, which is to be sent by apex-pdp to pap.
88 * @return PdpStatus the pdp status message
90 public PdpStatus createPdpStatusFromContext() {
91 final var pdpStatusContext = Registry.get(ApexStarterConstants.REG_PDP_STATUS_OBJECT, PdpStatus.class);
92 final var pdpStatus = new PdpStatus();
93 pdpStatus.setName(pdpStatusContext.getName());
94 pdpStatus.setPdpType(pdpStatusContext.getPdpType());
95 pdpStatus.setState(pdpStatusContext.getState());
96 pdpStatus.setHealthy(pdpStatusContext.getHealthy());
97 pdpStatus.setDescription(pdpStatusContext.getDescription());
98 pdpStatus.setPolicies(pdpStatusContext.getPolicies());
99 pdpStatus.setPdpGroup(pdpStatusContext.getPdpGroup());
100 pdpStatus.setPdpSubgroup(pdpStatusContext.getPdpSubgroup());
105 * Method to get a final pdp status when the apex started is shutting down.
107 * @return PdpStatus the pdp status message
109 public PdpStatus getTerminatedPdpStatus() {
110 final var pdpStatusInContext = Registry.get(ApexStarterConstants.REG_PDP_STATUS_OBJECT, PdpStatus.class);
111 pdpStatusInContext.setState(PdpState.TERMINATED);
112 pdpStatusInContext.setDescription("Apex pdp shutting down.");
113 return createPdpStatusFromContext();
117 * Method create PdpResponseDetails which will be sent as part of pdp status to PAP.
119 * @param requestId request id of the PdpUpdate message from pap
120 * @param status response status to be sent back
121 * @param responseMessage response message to be sent back
123 * @return PdpResponseDetails
125 public PdpResponseDetails createPdpResonseDetails(final String requestId, final PdpResponseStatus status,
126 final String responseMessage) {
127 final var pdpResponseDetails = new PdpResponseDetails();
128 pdpResponseDetails.setResponseTo(requestId);
129 pdpResponseDetails.setResponseStatus(status);
130 pdpResponseDetails.setResponseMessage(responseMessage);
131 return pdpResponseDetails;
135 * Method to retrieve list of ToscaPolicyIdentifier from the list of ToscaPolicy.
137 * @param policies list of ToscaPolicy
139 * @return policyTypeIdentifiers
141 public List<ToscaConceptIdentifier> getToscaPolicyIdentifiers(final List<ToscaPolicy> policies) {
142 final List<ToscaConceptIdentifier> policyIdentifiers = new ArrayList<>(policies.size());
143 for (final ToscaPolicy policy : policies) {
144 if (null != policy.getName() && null != policy.getVersion()) {
145 policyIdentifiers.add(new ToscaConceptIdentifier(policy.getName(), policy.getVersion()));
148 return policyIdentifiers;