Github user kchilton2 commented on a diff in the pull request:

    https://github.com/apache/incubator-rya/pull/121#discussion_r92825647
  
    --- Diff: 
extras/rya.pcj.fluo/pcj.fluo.app/src/main/java/org/apache/rya/indexing/pcj/fluo/app/export/rya/KafkaResultExporter.java
 ---
    @@ -0,0 +1,72 @@
    +/*
    + * Licensed to the Apache Software Foundation (ASF) under one
    + * or more contributor license agreements.  See the NOTICE file
    + * distributed with this work for additional information
    + * regarding copyright ownership.  The ASF licenses this file
    + * to you 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.
    + */
    +package org.apache.rya.indexing.pcj.fluo.app.export.rya;
    +
    +import static com.google.common.base.Preconditions.checkNotNull;
    +
    +import org.apache.fluo.api.client.TransactionBase;
    +import org.apache.kafka.clients.producer.KafkaProducer;
    +import org.apache.kafka.clients.producer.ProducerRecord;
    +import 
org.apache.rya.indexing.pcj.fluo.app.export.IncrementalResultExporter;
    +import org.apache.rya.indexing.pcj.fluo.app.query.FluoQueryColumns;
    +import org.apache.rya.indexing.pcj.storage.accumulo.VisibilityBindingSet;
    +
    +/**
    + * Incrementally exports SPARQL query results to Accumulo PCJ tables as 
they are defined by Rya.
    + */
    +public class KafkaResultExporter implements IncrementalResultExporter {
    +    private final KafkaProducer<String, VisibilityBindingSet> producer;
    +
    +    /**
    +     * Constructor
    +     * 
    +     * @param producer
    +     *            created by {@link KafkaResultExporterFactory}
    +     */
    +    public KafkaResultExporter(KafkaProducer<String, VisibilityBindingSet> 
producer) {
    +        super();
    +        checkNotNull(producer, "Producer is required.");
    +        this.producer = producer;
    +    }
    +
    +    /**
    +     * Send the results to the topic using the queryID as the topicname
    +     */
    +    @Override
    +    public void export(final TransactionBase fluoTx, final String queryId, 
final VisibilityBindingSet result) throws ResultExportException {
    +        checkNotNull(fluoTx);
    +        checkNotNull(queryId);
    +        checkNotNull(result);
    +        try {
    +        final String pcjId = fluoTx.gets(queryId, 
FluoQueryColumns.RYA_PCJ_ID);
    --- End diff --
    
    White space


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