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/*-
* ============LICENSE_START=======================================================
* org.onap.dcaegen2.collectors.ves
* ================================================================================
* Copyright (C) 2017 AT&T Intellectual Property. All rights reserved.
* Copyright (C) 2018 Nokia. 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.commonFunction;
import com.att.nsa.cambria.client.CambriaBatchingPublisher;
import com.att.nsa.clock.SaClock;
import com.att.nsa.logging.LoggingContext;
import com.att.nsa.logging.log4j.EcompFields;
import com.google.common.annotations.VisibleForTesting;
import java.io.IOException;
import org.json.JSONObject;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
public class EventPublisherHash {
private static final String VES_UNIQUE_ID = "VESuniqueId";
private static final Logger log = LoggerFactory.getLogger(EventPublisherHash.class);
private static volatile EventPublisherHash instance = new EventPublisherHash(DmaapPublishers.create());
private final DmaapPublishers dmaapPublishers;
/**
* Returns event publisher
*
* @return event publisher
*/
public static EventPublisherHash getInstance() {
return instance;
}
@VisibleForTesting
EventPublisherHash(DmaapPublishers dmaapPublishers) {
this.dmaapPublishers = dmaapPublishers;
}
public void sendEvent(JSONObject event, String streamid) {
log.debug("EventPublisher.sendEvent: instance for publish is ready");
clearVesUniqueId(event);
try {
sendEventUsingCachedPublisher(streamid, event);
} catch (IOException | IllegalArgumentException e) {
log.error("Unable to publish event: {} streamid: {}. Exception: {}", event, streamid, e);
dmaapPublishers.closeByStreamId(streamid);
}
}
private void clearVesUniqueId(JSONObject event) {
if (event.has(VES_UNIQUE_ID)) {
String uuid = event.get(VES_UNIQUE_ID).toString();
LoggingContext localLC = VESLogger.getLoggingContextForThread(uuid);
localLC.put(EcompFields.kBeginTimestampMs, SaClock.now());
log.debug("Removing VESuniqueid object from event");
event.remove(VES_UNIQUE_ID);
}
}
private void sendEventUsingCachedPublisher(String streamid, JSONObject event) throws IOException {
int pendingMsgs = dmaapPublishers.getByStreamId(streamid).send("MyPartitionKey", event.toString());
// this.wait(2000);
if (pendingMsgs > 100) {
log.info("Pending Message Count=" + pendingMsgs);
}
log.info("pub.send invoked - no error");
//CommonStartup.oplog.info(String.format("URL:%sTOPIC:%sEvent Published:%s", ueburl, topic, event));
CommonStartup.oplog.info(String.format("StreamID:%s Event Published:%s ", streamid, event));
}
@VisibleForTesting
public CambriaBatchingPublisher getDmaapPublisher(String streamId) {
return dmaapPublishers.getByStreamId(streamId);
}
}
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