2 * ===============================LICENSE_START======================================
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4 * ================================================================================
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5 * Copyright © 2017 AT&T Intellectual Property. All rights reserved.
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6 * ================================================================================
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7 * Licensed under the Apache License, Version 2.0 (the "License");
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8 * you may not use this file except in compliance with the License.
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9 * You may obtain a copy of the License at
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11 * http://www.apache.org/licenses/LICENSE-2.0
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13 * Unless required by applicable law or agreed to in writing, software
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14 * distributed under the License is distributed on an "AS IS" BASIS,
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15 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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16 * See the License for the specific language governing permissions and
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17 * limitations under the License.
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18 * ============================LICENSE_END===========================================
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21 package org.openecomp.dcae.apod.analytics.cdap.plugins.batch.sink.dmaap;
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23 import org.apache.hadoop.io.NullWritable;
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24 import org.apache.hadoop.mapreduce.RecordWriter;
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25 import org.apache.hadoop.mapreduce.TaskAttemptContext;
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26 import org.openecomp.dcae.apod.analytics.dmaap.service.publisher.DMaaPMRPublisher;
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27 import org.slf4j.Logger;
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28 import org.slf4j.LoggerFactory;
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30 import java.io.IOException;
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31 import java.util.Arrays;
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34 * A simple implementation of {@link RecordWriter} which writes messages to DMaaP MR topic
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36 * @author Rajiv Singla . Creation Date: 1/27/2017.
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38 public class DMaaPMRRecordWriter extends RecordWriter<String, NullWritable> {
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40 private static final Logger LOG = LoggerFactory.getLogger(DMaaPMRRecordWriter.class);
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42 private final DMaaPMRPublisher dMaaPMRPublisher;
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44 public DMaaPMRRecordWriter(DMaaPMRPublisher dMaaPMRPublisher) {
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45 this.dMaaPMRPublisher = dMaaPMRPublisher;
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49 public void write(String message, NullWritable value) throws IOException, InterruptedException {
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50 LOG.debug("Writing message to DMaaP MR Topic: {}", message);
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51 dMaaPMRPublisher.publish(Arrays.asList(message));
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55 public void close(TaskAttemptContext context) throws IOException, InterruptedException {
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56 dMaaPMRPublisher.flush();
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