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/*******************************************************************************
 *  ============LICENSE_START=======================================================
 *  org.onap.dmaap
 *  ================================================================================
 *  Copyright © 2017 AT&T Intellectual Property. All rights reserved.
 *  ================================================================================
 *  Modifications Copyright © 2021 Orange.
 *  ================================================================================
 *  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=========================================================
 *
 *  ECOMP is a trademark and service mark of AT&T Intellectual Property.
 *
 *******************************************************************************/

package org.onap.dmaap.mr.dme.client;

import org.onap.dmaap.mr.client.MRClientFactory;
import org.onap.dmaap.mr.client.MRConsumer;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import javax.ws.rs.core.MultivaluedMap;
import java.util.List;
import java.util.Map;

public class SimpleExampleConsumer {

    private static final Logger logger = LoggerFactory.getLogger(SimpleExampleConsumer.class);

    private SimpleExampleConsumer() {
    }

    public static void main(String[] args) {

        long count = 0;
        long nextReport = 5000;
        String key;

        final long startMs = System.currentTimeMillis();

        try {

            final MRConsumer cc = MRClientFactory.createConsumer("D:\\SG\\consumer.properties");
            while (true) {
                for (String msg : cc.fetch()) {
                    logger.debug("Message Received: " + msg);
                }
                // Header for DME2 Call.
                MultivaluedMap<String, Object> headersMap = MRClientFactory.getHTTPHeadersMap();
                for (Map.Entry<String, List<Object>> entry : headersMap.entrySet()) {
                    key = entry.getKey();
                    logger.debug("Header Key " + key);
                    logger.debug("Header Value " + headersMap.get(key));
                }
                // Header for HTTP Call.

                Map<String, String> dme2headersMap = MRClientFactory.DME2HeadersMap;
                for (Map.Entry<String, String> entry : dme2headersMap.entrySet()) {
                    key = entry.getKey();
                    logger.debug("Header Key " + key);
                    logger.debug("Header Value " + dme2headersMap.get(key));
                }

                if (count > nextReport) {
                    nextReport += 5000;

                    final long endMs = System.currentTimeMillis();
                    final long elapsedMs = endMs - startMs;
                    final double elapsedSec = elapsedMs / 1000.0;
                    final double eps = count / elapsedSec;
                }
            }
        } catch (Exception x) {
            logger.error("Exception in SimpleExampleConsumer", x);
        }
    }
}