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.enums.PdpState;
27 import org.slf4j.Logger;
28 import org.slf4j.LoggerFactory;
30 public class XacmlPdpHeartbeatPublisher extends TimerTask {
32 private static final Logger LOGGER = LoggerFactory.getLogger(XacmlPdpHeartbeatPublisher.class);
34 private TopicSinkClient topicSinkClient;
36 private XacmlPdpMessage heartbeatMessage;
37 private PdpState pdpState;
39 private static volatile boolean alive = false;
42 * Constructor for instantiating XacmlPdpHeartbeatPublisher.
44 * @param state of the PDP
45 * @param topicSinkClient used to send heartbeat message
47 public XacmlPdpHeartbeatPublisher(TopicSinkClient topicSinkClient, PdpState state) {
48 this.topicSinkClient = topicSinkClient;
49 this.heartbeatMessage = new XacmlPdpMessage();
50 this.pdpState = state;
51 timer = new Timer(false);
52 timer.scheduleAtFixedRate(this, 0, 60000); // time interval temp hard coded now but will be parameterized
58 topicSinkClient.send(heartbeatMessage.formatStatusMessage(pdpState));
59 LOGGER.info("Sending Xacml PDP heartbeat to the PAP");
63 * Method to terminate the heartbeat.
65 public void terminate() {
71 public void updateInternalState(PdpState state) {
72 this.pdpState = state;
75 public static boolean isAlive() {
79 public void setAlive(boolean alive) {