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/*-
* ============LICENSE_START=======================================================
* Simulator
* ================================================================================
* Copyright (C) 2021 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.avcnmanager.kafka.stream;
import org.apache.kafka.streams.KafkaStreams;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Component;
import javax.annotation.PostConstruct;
@Component
public class AVCNKafkaStream {
private static final Logger LOGGER = LoggerFactory.getLogger(AVCNKafkaStream.class);
private final KafkaStreams streams;
@Autowired
AVCNKafkaStream(KafkaStreams streams) {
this.streams = streams;
streams.setUncaughtExceptionHandler(this::handleExceptionInStreams);
}
@PostConstruct
void startKafkaStream() {
streams.start();
}
private void handleExceptionInStreams(Thread thread,Throwable throwable) {
LOGGER.warn("Exception occurred int kafka stream: " + thread);
LOGGER.debug(throwable.getMessage());
if(!streams.state().isRunning()) {
LOGGER.error("Kafka stream stop running, state: " + streams.state());
streams.close();
System.exit(1);
}
}
}
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