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/*-
* ============LICENSE_START=======================================================
* org.onap.dcaegen2.collectors.restconf
* ================================================================================
* Copyright (C) 2018-2019 Huawei. All rights reserved.
* ================================================================================
* 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.dcae.common;
import org.json.JSONException;
import org.json.JSONObject;
import org.onap.dcae.RestConfCollector;
import org.onap.dcae.common.publishing.EventPublisher;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import java.util.Arrays;
import java.util.HashMap;
import java.util.Map;
public class EventProcessor implements Runnable {
private static final Logger log = LoggerFactory.getLogger(EventProcessor.class);
private Map<String, String[]> streamidHash = new HashMap<>();
public EventData ev;
private EventPublisher eventPublisher;
public EventProcessor(EventPublisher eventPublisher, Map<String, String[]> streamidHash) {
this.eventPublisher = eventPublisher;
this.streamidHash.putAll(streamidHash);
}
@Override
public void run() {
try {
while (true) {
ev = RestConfCollector.fProcessingInputQueue.take();
// As long as the producer is running we remove elements from
// the queue.
log.info("QueueSize:" + RestConfCollector.fProcessingInputQueue.size() + "\tEventProcessor\tRemoving element: " +
ev.getEventObj());
/*@TODO: Right now all event publish to single domain and consume by VES collector. Later maybe send to specific domain */
String[] streamIdList = streamidHash.get("notification");
log.info("streamIdList:" + Arrays.toString(streamIdList));
if (streamIdList.length == 0) {
log.error("No StreamID defined for publish - Message dropped" + ev.getEventObj());
} else {
sendEventsToStreams(streamIdList, ev);
}
log.info("Event published" + ev.getEventObj());
}
} catch (Exception e) {
log.error("EventProcessor InterruptedException" + e.getMessage());
Thread.currentThread().interrupt();
}
}
private void sendEventsToStreams(String[] streamIdList, EventData ev) {
for (String aStreamIdList : streamIdList) {
log.info("Invoking publisher for streamId:" + aStreamIdList);
if (!ev.getConn().getEvent_ruleId().equals("")) {
JSONObject customHeader = new JSONObject();
customHeader.put("rule-id", ev.getConn().getEvent_ruleId());
eventPublisher.sendEvent(overrideEvent(customHeader, ev.getEventObj()), aStreamIdList);
} else {
eventPublisher.sendEvent(ev.getEventObj(), aStreamIdList);
}
}
}
private static JSONObject overrideEvent(JSONObject json1, JSONObject json2) {
JSONObject mergedJSON;
try {
mergedJSON = new JSONObject(json1, JSONObject.getNames(json1));
for (String key : JSONObject.getNames(json2)) {
mergedJSON.put(key, json2.get(key));
}
} catch (JSONException e) {
throw new RuntimeException("JSON Exception" + e);
}
log.info("Merged json " + mergedJSON);
return mergedJSON;
}
}
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