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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;
import fj.data.Either;
import java.util.HashMap;
import java.util.List;
import java.util.concurrent.BlockingQueue;
import java.util.concurrent.Executors;
import java.util.concurrent.LinkedBlockingQueue;
import org.onap.dcaegen2.services.sonhms.model.Notification;
import org.onap.dcaegen2.services.sonhms.utils.ClusterUtils;
import org.onap.dcaegen2.services.sonhms.utils.ThreadUtils;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
public class MainThread implements Runnable {
private static Logger log = LoggerFactory.getLogger(MainThread.class);
private NewNotification newNotification;
private BlockingQueue<List<String>> childStatusQueue;
private DmaapNotificationsComponent dmaapNotificationsComponent;
private EventHandler eventHandler;
/**
* parameterized constructor.
*/
public MainThread(NewNotification newNotification) {
super();
this.newNotification = newNotification;
childStatusQueue = new LinkedBlockingQueue<>();
dmaapNotificationsComponent = new DmaapNotificationsComponent();
eventHandler = new EventHandler(childStatusQueue,
Executors.newFixedThreadPool(Configuration.getInstance().getMaximumClusters()),
new HashMap<>(), new ClusterUtils(), new ThreadUtils());
}
@Override
public void run() {
log.info("Starting Main Thread");
// Check for Notifications from Dmaap and Child thread
Boolean done = false;
while (!done) {
try {
if (!childStatusQueue.isEmpty()) {
List<String> childState = childStatusQueue.poll();
if (childState != null) {
eventHandler.handleChildStatusUpdate(childState);
}
}
if (newNotification.getNewNotif()) {
Either<Notification, Integer> notification = dmaapNotificationsComponent.getDmaapNotifications();
if (notification.isRight()) {
log.error("Error parsing the notification from SDNR");
} else if (notification.isLeft()) {
Boolean result = eventHandler.handleSdnrNotification(notification.left().value());
log.debug("SDNR notification handling {}", result);
}
}
} catch (Exception e) {
log.error("Exception in main Thread", e);
done = true;
}
}
}
}
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