1 files changed, 94 insertions, 0 deletions
diff --git a/dcae-analytics-cdap-plugins/src/main/java/org/onap/dcae/apod/analytics/cdap/plugins/batch/sink/dmaap/DMaaPMROutputFormat.java b/dcae-analytics-cdap-plugins/src/main/java/org/onap/dcae/apod/analytics/cdap/plugins/batch/sink/dmaap/DMaaPMROutputFormat.java
new file mode 100644
index 0000000..d627fb0
--- /dev/null
+++ b/dcae-analytics-cdap-plugins/src/main/java/org/onap/dcae/apod/analytics/cdap/plugins/batch/sink/dmaap/DMaaPMROutputFormat.java
@@ -0,0 +1,94 @@
+/*
+ * ===============================LICENSE_START======================================
+ *  dcae-analytics
+ * ================================================================================
+ *    Copyright © 2017 AT&T Intellectual Property. 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.apod.analytics.cdap.plugins.batch.sink.dmaap;
+
+import org.apache.hadoop.conf.Configuration;
+import org.apache.hadoop.io.NullWritable;
+import org.apache.hadoop.mapreduce.JobContext;
+import org.apache.hadoop.mapreduce.OutputCommitter;
+import org.apache.hadoop.mapreduce.OutputFormat;
+import org.apache.hadoop.mapreduce.RecordWriter;
+import org.apache.hadoop.mapreduce.TaskAttemptContext;
+import org.onap.dcae.apod.analytics.cdap.plugins.utils.DMaaPSinkConfigMapper;
+import org.onap.dcae.apod.analytics.dmaap.DMaaPMRFactory;
+import org.onap.dcae.apod.analytics.dmaap.domain.config.DMaaPMRPublisherConfig;
+import org.onap.dcae.apod.analytics.dmaap.service.publisher.DMaaPMRPublisher;
+
+import java.io.IOException;
+
+/**
+ * DMaaP MR Output format used by DMaaP MR Sink Plugin to create a MR Publisher and pass to custom {@link
+ * DMaaPMRRecordWriter}
+ * <p>
+ * @author Rajiv Singla . Creation Date: 1/27/2017.
+ */
+public class DMaaPMROutputFormat extends OutputFormat<String, NullWritable> {
+
+    @Override
+    public RecordWriter<String, NullWritable> getRecordWriter(TaskAttemptContext context) throws IOException,
+            InterruptedException {
+        final Configuration configuration = context.getConfiguration();
+        final DMaaPMRPublisherConfig publisherConfig = DMaaPSinkConfigMapper.map(configuration);
+        final DMaaPMRPublisher publisher = DMaaPMRFactory.create().createPublisher(publisherConfig);
+        return new DMaaPMRRecordWriter(publisher);
+    }
+
+    @Override
+    public void checkOutputSpecs(JobContext context) throws IOException, InterruptedException {
+        // do nothing
+    }
+
+    @Override
+    public OutputCommitter getOutputCommitter(TaskAttemptContext context) throws IOException, InterruptedException {
+        return new NoOpOutputCommitter();
+    }
+
+    /**
+     * A dummy implementation for {@link OutputCommitter} that does nothing.
+     */
+    protected static class NoOpOutputCommitter extends OutputCommitter {
+
+        @Override
+        public void setupJob(JobContext jobContext) throws IOException {
+            // no op
+        }
+
+        @Override
+        public void setupTask(TaskAttemptContext taskContext) throws IOException {
+            // no op
+        }
+
+        @Override
+        public boolean needsTaskCommit(TaskAttemptContext taskContext) throws IOException {
+            return false;
+        }
+
+        @Override
+        public void commitTask(TaskAttemptContext taskContext) throws IOException {
+            // no op
+        }
+
+        @Override
+        public void abortTask(TaskAttemptContext taskContext) throws IOException {
+            // no op
+        }
+    }
+}