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/*******************************************************************************
* ============LICENSE_START=======================================================
* son-handler
* ================================================================================
* Copyright (C) 2019 Wipro Limited.
* ==============================================================================
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
* ============LICENSE_END=========================================================
*
*******************************************************************************/
package org.onap.dcaegen2.services.sonhms.dmaap;
import com.att.nsa.cambria.client.CambriaConsumer;
import org.onap.dcaegen2.services.sonhms.Configuration;
import org.onap.dcaegen2.services.sonhms.NewNotification;
import org.onap.dcaegen2.services.sonhms.dao.DmaapNotificationsRepository;
import org.onap.dcaegen2.services.sonhms.entity.DmaapNotifications;
import org.onap.dcaegen2.services.sonhms.utils.DmaapUtils;
import java.util.Map;
import java.util.concurrent.Executors;
import java.util.concurrent.ScheduledExecutorService;
import java.util.concurrent.TimeUnit;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Component;
@Component
public class DmaapClient {
@Autowired
private DmaapNotificationsRepository dmaapNotificationsRepository;
private Configuration configuration;
private static Logger log = LoggerFactory.getLogger(DmaapClient.class);
@Autowired
private NewNotification newNotification;
private DmaapUtils dmaapUtils;
public class NotificationCallback {
DmaapClient dmaapClient;
public NotificationCallback(DmaapClient dmaapClient) {
this.dmaapClient = dmaapClient;
}
public void activateCallBack(String msg) {
handleNotification(msg);
}
private void handleNotification(String msg) {
DmaapNotifications dmaapNotification = new DmaapNotifications();
dmaapNotification.setNotification(msg);
if (log.isDebugEnabled()) {
log.debug(dmaapNotification.toString());
}
dmaapNotificationsRepository.save(dmaapNotification);
newNotification.setNewNotif(true);
}
}
/**
* init dmaap client.
*/
public void initClient() {
log.debug("initializing client");
configuration = Configuration.getInstance();
if (log.isDebugEnabled()) {
log.debug(configuration.toString());
}
startClient();
}
/**
* start dmaap client.
*/
@SuppressWarnings("unchecked")
private synchronized void startClient() {
Map<String,Object> streamSubscribes= Configuration.getInstance().getStreamsSubscribes();
String sdnrTopicUrl =((Map<String,String>)((Map<String,Object>)streamSubscribes.get("nbr_list_change_topic")).get("dmaap_info")).get("topic_url");
String[] sdnrTopicSplit=sdnrTopicUrl.split("\\/");
String sdnrTopic=sdnrTopicSplit[sdnrTopicSplit.length-1];
ScheduledExecutorService executorPool;
CambriaConsumer cambriaConsumer = null;
cambriaConsumer = dmaapUtils.buildConsumer(configuration, sdnrTopic );
/*
* cambriaConsumer = new ConsumerBuilder()
* .authenticatedBy(configuration.getPcimsApiKey(),
* configuration.getPcimsSecretKey()) .knownAs(configuration.getCg(),
* configuration.getCid()).onTopic(configuration.getSdnrTopic())
* .usingHosts(configuration.getServers()).withSocketTimeout(configuration.
* getPollingTimeout() * 1000) .build();
*/
// create notification consumers for SNDR and policy
NotificationConsumer notificationConsumer = new NotificationConsumer(cambriaConsumer,
new NotificationCallback(this));
// start notification consumer threads
executorPool = Executors.newScheduledThreadPool(10);
executorPool.scheduleAtFixedRate(notificationConsumer, 0, configuration.getPollingInterval(), TimeUnit.SECONDS);
}
}
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