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;
27 import org.onap.policy.common.endpoints.event.comm.TopicSink;
28 import org.onap.policy.common.endpoints.event.comm.client.TopicSinkClient;
29 import org.onap.policy.models.pdp.concepts.PdpStatus;
30 import org.onap.policy.models.sim.pdp.handler.PdpMessageHandler;
31 import org.slf4j.Logger;
32 import org.slf4j.LoggerFactory;
35 * This class is used to send pdp status messages to pap using TopicSinkClient.
37 * @author Ajith Sreekumar (ajith.sreekumar@est.tech)
39 public class PdpStatusPublisher extends TimerTask {
41 private static final Logger LOGGER = LoggerFactory.getLogger(PdpStatusPublisher.class);
43 private TopicSinkClient topicSinkClient;
45 private long interval;
48 * Constructor for instantiating PdpStatusPublisher.
50 * @param topicSinks the topic sinks
51 * @param interval time interval to send pdp status
53 public PdpStatusPublisher(final List<TopicSink> topicSinks, final long interval) {
54 this.topicSinkClient = new TopicSinkClient(topicSinks.get(0));
55 this.interval = interval;
56 timer = new Timer(false);
57 timer.scheduleAtFixedRate(this, 0, interval);
62 final PdpStatus pdpStatus = new PdpMessageHandler().createPdpStatusFromContext();
63 topicSinkClient.send(pdpStatus);
64 LOGGER.debug("Sent heartbeat to PAP - {}", pdpStatus);
68 * Terminates the current timer.
70 public void terminate() {
76 * Get the current time interval used by the timer task.
78 * @return interval the current time interval
80 public long getInterval() {
85 * Method to send pdp status message to pap on demand.
87 * @param pdpStatus the pdp status
89 public void send(final PdpStatus pdpStatus) {
90 topicSinkClient.send(pdpStatus);
91 LOGGER.debug("Sent pdp status message to PAP - {}", pdpStatus);