2 * ============LICENSE_START=======================================================
3 * Copyright (C) 2019 Nordix Foundation.
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.models.sim.pdp.comm;
23 import java.util.List;
24 import java.util.Timer;
25 import java.util.TimerTask;
26 import org.onap.policy.common.endpoints.event.comm.TopicSink;
27 import org.onap.policy.common.endpoints.event.comm.client.TopicSinkClient;
28 import org.onap.policy.models.pdp.concepts.PdpStatus;
29 import org.onap.policy.models.sim.pdp.handler.PdpMessageHandler;
30 import org.slf4j.Logger;
31 import org.slf4j.LoggerFactory;
34 * This class is used to send pdp status messages to pap using TopicSinkClient.
36 * @author Ajith Sreekumar (ajith.sreekumar@est.tech)
38 public class PdpStatusPublisher extends TimerTask {
40 private static final Logger LOGGER = LoggerFactory.getLogger(PdpStatusPublisher.class);
42 private TopicSinkClient topicSinkClient;
44 private long interval;
47 * Constructor for instantiating PdpStatusPublisher.
49 * @param topicSinks the topic sinks
50 * @param interval time interval to send pdp status
52 public PdpStatusPublisher(final List<TopicSink> topicSinks, final long interval) {
53 this.topicSinkClient = new TopicSinkClient(topicSinks.get(0));
54 this.interval = interval;
55 timer = new Timer(false);
56 timer.scheduleAtFixedRate(this, 0, interval);
61 final PdpStatus pdpStatus = new PdpMessageHandler().createPdpStatusFromContext();
62 topicSinkClient.send(pdpStatus);
63 LOGGER.debug("Sent heartbeat to PAP - {}", pdpStatus);
67 * Terminates the current timer.
69 public void terminate() {
75 * Get the current time interval used by the timer task.
77 * @return interval the current time interval
79 public long getInterval() {
84 * Method to send pdp status message to pap on demand.
86 * @param pdpStatus the pdp status
88 public void send(final PdpStatus pdpStatus) {
89 topicSinkClient.send(pdpStatus);
90 LOGGER.debug("Sent pdp status message to PAP - {}", pdpStatus);