2 * ============LICENSE_START=======================================================
3 * Copyright (C) 2019 AT&T Intellectual Property. All rights reserved.
4 * ================================================================================
5 * Licensed under the Apache License, Version 2.0 (the "License");
6 * you may not use this file except in compliance with the License.
7 * You may obtain a copy of the License at
9 * http://www.apache.org/licenses/LICENSE-2.0
11 * Unless required by applicable law or agreed to in writing, software
12 * distributed under the License is distributed on an "AS IS" BASIS,
13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14 * See the License for the specific language governing permissions and
15 * limitations under the License.
17 * SPDX-License-Identifier: Apache-2.0
18 * ============LICENSE_END=========================================================
21 package org.onap.policy.pdpx.main.comm;
23 import java.util.HashSet;
25 import org.onap.policy.common.endpoints.event.comm.client.TopicSinkClient;
26 import org.onap.policy.models.pdp.concepts.PdpStatus;
27 import org.onap.policy.models.pdp.concepts.PdpUpdate;
28 import org.onap.policy.models.tosca.authorative.concepts.ToscaPolicy;
29 import org.onap.policy.pdpx.main.rest.XacmlPdpApplicationManager;
30 import org.slf4j.Logger;
31 import org.slf4j.LoggerFactory;
33 public class XacmlPdpUpdatePublisher {
35 private static final Logger LOGGER = LoggerFactory.getLogger(XacmlPdpUpdatePublisher.class);
37 private XacmlPdpUpdatePublisher() {
38 throw new IllegalStateException("Please do not create private instance of XacmlPdpUpdatePublisher");
42 * Handle the PDP Update message.
44 * @param message Incoming message
45 * @param client TopicSinkClient
47 public static void handlePdpUpdate(PdpUpdate message, TopicSinkClient client) {
49 if (!message.getPolicies().isEmpty() || message.getPolicies() != null) {
51 Set<ToscaPolicy> incomingPolicies =
52 new HashSet<>(message.getPolicies());
53 Set<ToscaPolicy> deployedPolicies =
54 new HashSet<>(XacmlPdpApplicationManager.getToscaPolicies().keySet());
57 // if incoming policies do not contain the deployed policy then remove it from PDP
58 for (ToscaPolicy policy : deployedPolicies) {
59 if (!incomingPolicies.contains(policy)) {
60 XacmlPdpApplicationManager.removeUndeployedPolicy(policy);
65 // if deployed policies do not contain the incoming policy load it
66 for (ToscaPolicy policy : incomingPolicies) {
67 if (!deployedPolicies.contains(policy)) {
68 XacmlPdpApplicationManager.loadDeployedPolicy(policy);
73 XacmlPdpMessage updatePdpMessage = new XacmlPdpMessage();
74 PdpStatus statusMessage = updatePdpMessage.formatPdpUpdateMessage(message, XacmlPdpHearbeatPublisher.pdpState);
75 sendPdpUpdate(statusMessage, client);
78 private static void sendPdpUpdate(PdpStatus status, TopicSinkClient client) {
79 // Send PdpStatus Change to PAP
80 if (!client.send(status)) {
81 LOGGER.error("failed to send to topic sink {}", client.getTopic());