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/*******************************************************************************
* ============LICENSE_START=======================================================
* slice-analysis-ms
* ================================================================================
* Copyright (C) 2020 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.slice.analysis.ms.dmaap;
import com.att.nsa.cambria.client.CambriaConsumer;
import java.util.Map;
import java.util.concurrent.Executors;
import java.util.concurrent.ScheduledExecutorService;
import java.util.concurrent.TimeUnit;
import javax.annotation.PostConstruct;
import org.onap.slice.analysis.ms.models.Configuration;
import org.onap.slice.analysis.ms.utils.DmaapUtils;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.stereotype.Component;
/**
* This class initializes and starts the dmaap client
* to listen on application required dmaap events
*/
@Component
public class DmaapClient {
private Configuration configuration;
private static Logger log = LoggerFactory.getLogger(DmaapClient.class);
private DmaapUtils dmaapUtils;
/**
* init dmaap client.
*/
@PostConstruct
public void initClient() {
log.debug("initializing client");
dmaapUtils = new DmaapUtils();
configuration = Configuration.getInstance();
if (log.isDebugEnabled()) {
log.debug(configuration.toString());
}
startClient();
}
/**
* start dmaap client.
*/
@SuppressWarnings("unchecked")
public synchronized void startClient() {
Map<String, Object> streamSubscribes = configuration.getStreamsSubscribes();
String pmTopicUrl = ((Map<String, String>) ((Map<String, Object>) streamSubscribes
.get("performance_management_topic")).get("dmaap_info")).get("topic_url");
String[] pmTopicSplit = pmTopicUrl.split("\\/");
String pmTopic = pmTopicSplit[pmTopicSplit.length - 1];
log.debug("pm topic : {}", pmTopic);
String policyResponseTopicUrl = ((Map<String, String>) ((Map<String, Object>) streamSubscribes
.get("dcae_cl_response_topic")).get("dmaap_info")).get("topic_url");
String[] policyResponseTopicUrlSplit = policyResponseTopicUrl.split("\\/");
String policyResponseTopic = policyResponseTopicUrlSplit[policyResponseTopicUrlSplit.length - 1];
log.debug("policyResponse Topic : {}", policyResponseTopic);
String intelligentSlicingTopicUrl = ((Map<String, String>) ((Map<String, Object>) streamSubscribes
.get("intelligent_slicing_topic")).get("dmaap_info")).get("topic_url");
String[] intelligentSlicingTopicSplit = intelligentSlicingTopicUrl.split("\\/");
String intelligentSlicingTopic = intelligentSlicingTopicSplit[intelligentSlicingTopicSplit.length - 1];
log.debug("intelligent slicing topic : {}", pmTopic);
CambriaConsumer pmNotifCambriaConsumer = dmaapUtils.buildConsumer(configuration, pmTopic);
CambriaConsumer policyResponseCambriaConsumer = dmaapUtils.buildConsumer(configuration, policyResponseTopic);
CambriaConsumer intelligentSlicingCambriaConsumer = dmaapUtils.buildConsumer(configuration, intelligentSlicingTopic);
ScheduledExecutorService executorPool;
// create notification consumers for PM
NotificationConsumer pmNotificationConsumer = new NotificationConsumer(pmNotifCambriaConsumer,
new PmNotificationCallback());
// start pm notification consumer threads
executorPool = Executors.newScheduledThreadPool(10);
executorPool.scheduleAtFixedRate(pmNotificationConsumer, 0, configuration.getPollingInterval(),
TimeUnit.SECONDS);
// create notification consumers for Policy
NotificationConsumer policyNotificationConsumer = new NotificationConsumer(policyResponseCambriaConsumer,
new PolicyNotificationCallback());
// start policy notification consumer threads
executorPool = Executors.newScheduledThreadPool(10);
executorPool.scheduleAtFixedRate(policyNotificationConsumer, 0, configuration.getPollingInterval(),
TimeUnit.SECONDS);
// create notification consumers for ML MS
NotificationConsumer intelligentSlicingConsumer = new NotificationConsumer(intelligentSlicingCambriaConsumer,
new IntelligentSlicingCallback());
// start intelligent Slicing notification consumer threads
executorPool = Executors.newScheduledThreadPool(10);
executorPool.scheduleAtFixedRate(intelligentSlicingConsumer, 0, configuration.getPollingInterval(),
TimeUnit.SECONDS);
}
}
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