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.Timer;
24 import java.util.TimerTask;
25 import org.onap.policy.common.endpoints.event.comm.client.TopicSinkClient;
26 import org.onap.policy.models.pdp.concepts.PdpStateChange;
27 import org.onap.policy.models.pdp.enums.PdpState;
28 import org.slf4j.Logger;
29 import org.slf4j.LoggerFactory;
31 public class XacmlPdpHearbeatPublisher extends TimerTask {
33 private static final Logger LOGGER = LoggerFactory.getLogger(XacmlPdpHearbeatPublisher.class);
36 private XacmlPdpMessage heartbeatMessage;
37 private Object message;
38 private static TopicSinkClient topicSinkClient;
39 private static volatile boolean alive = false;
40 public static PdpState pdpState;
44 * Constructor for instantiating XacmlPdpPublisher.
46 * @param message of the PDP
47 * @param topicSinkClient used to send heartbeat message
49 public XacmlPdpHearbeatPublisher(TopicSinkClient topicSinkClient, PdpStateChange message) {
50 this.message = message;
51 this.pdpState = message.getState();
52 this.topicSinkClient = topicSinkClient;
53 this.heartbeatMessage = new XacmlPdpMessage();
54 timer = new Timer(false);
55 timer.scheduleAtFixedRate(this, 0, 60000); // time interval temp hard coded now but will be parameterized
61 topicSinkClient.send(heartbeatMessage.formatHeartbeatMessage((PdpStateChange) message));
62 LOGGER.info("Sending Xacml PDP heartbeat to the PAP");
66 * Method to terminate the heartbeat.
68 public void terminate() {
74 public void updateInternalState(PdpState state) {
75 ((PdpStateChange) this.message).setState(state);
76 this.pdpState = state;
79 public static boolean isAlive() {
83 public void setAlive(boolean alive) {