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/**
* ============LICENSE_START=======================================================
* org.onap.aai
* ================================================================================
* Copyright © 2017-2018 AT&T Intellectual Property. All rights reserved.
* Copyright © 2017-2018 Amdocs
* ================================================================================
* 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.crud.service;
import java.util.Objects;
import java.util.TimerTask;
import org.onap.aai.cl.api.Logger;
import org.onap.aai.cl.eelf.LoggerFactory;
import org.onap.aai.event.api.EventConsumer;
import org.onap.crud.logging.CrudServiceMsgs;
public class CrudAsyncResponseConsumer extends TimerTask {
private static Logger logger = LoggerFactory.getInstance().getLogger(CrudAsyncResponseConsumer
.class.getName());
private final EventConsumer asyncResponseConsumer;
private final GraphEventUpdater graphEventUpdater;
public CrudAsyncResponseConsumer(EventConsumer asyncResponseConsumer, GraphEventUpdater graphEventUpdater) {
Objects.requireNonNull(asyncResponseConsumer);
Objects.requireNonNull(graphEventUpdater);
this.asyncResponseConsumer = asyncResponseConsumer;
this.graphEventUpdater = graphEventUpdater;
logger.info(CrudServiceMsgs.ASYNC_RESPONSE_CONSUMER_INFO,
"CrudAsyncResponseConsumer initialized SUCCESSFULLY! with event consumer "
+ asyncResponseConsumer.getClass().getName());
}
@Override
public void run() {
logger.info(CrudServiceMsgs.ASYNC_RESPONSE_CONSUMER_INFO, "Listening for graph events");
try {
Iterable<String> events = asyncResponseConsumer.consume();
processEvents(events);
asyncResponseConsumer.commitOffsets();
} catch (Exception e) {
logger.error(CrudServiceMsgs.ASYNC_RESPONSE_CONSUMER_ERROR, e, e.getMessage());
}
}
private void processEvents(Iterable<String> events) {
if (areEventsAvailable(events)) {
for (String event : events) {
graphEventUpdater.update(event);
}
logger.info(CrudServiceMsgs.ASYNC_RESPONSE_CONSUMER_INFO, "No events recieved");
} else {
logger.info(CrudServiceMsgs.ASYNC_RESPONSE_CONSUMER_INFO, "No events recieved");
}
}
private boolean areEventsAvailable(Iterable<String> events) {
return !(events == null || !events.iterator().hasNext());
}
}
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