Example usage for org.apache.hadoop.mapreduce RecordReader subclass-usage

List of usage examples for org.apache.hadoop.mapreduce RecordReader subclass-usage

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Introduction

In this page you can find the example usage for org.apache.hadoop.mapreduce RecordReader subclass-usage.

Usage

From source file com.scaleoutsoftware.soss.hserver.ReplayingRecordReader.java

/**
 * This record reader is used for splits that have already been recorded (meaning that the corresponding output of the
 * mappers is already saved to the StateServer). This record reader prefetches several key-value pairs, so they are readily
 * available for the mapper.
 *
 * @param <K> key type

From source file com.splicemachine.compactions.CompactionRecordReader.java

/**
 * Created by jyuan on 3/24/16.
 */
public class CompactionRecordReader extends RecordReader<Integer, Iterator> {

    private Integer currentKey;

From source file com.splicemachine.mrio.api.core.SMRecordReaderImpl.java

public class SMRecordReaderImpl extends RecordReader<RowLocation, ExecRow> {
    protected static final Logger LOG = Logger.getLogger(SMRecordReaderImpl.class);
    protected Table htable;
    protected HRegion hregion;
    protected Configuration config;
    protected RegionScanner mrs;

From source file com.splicemachine.mrio.api.mapreduce.SMWrappedRecordReader.java

/**
 * 
 * Wrapper Class to Support Hive MR2 while deferring to Splice Machine's core MR format.
 * 
 *
 */

From source file com.splicemachine.orc.input.OrcMapreduceRecordReader.java

/**
 *
 *
 */
public class OrcMapreduceRecordReader extends RecordReader<NullWritable, Row> {
    OrcRecordReader orcRecordReader;

From source file com.sreejithpillai.excel.mapreduce.ExcelRecordReader.java

/**
 * Reads excel spread sheet , where keys are offset in file and value is the row
 * containing all column as a string.
 */
public class ExcelRecordReader extends RecordReader<LongWritable, Text> {

From source file com.telefonica.iot.tidoop.apiext.hadoop.ckan.CKANRecordReader.java

/**
 * Custom RecordReader for CKAN data.
 * 
 * @author frb
 */
public class CKANRecordReader extends RecordReader<LongWritable, Text> { // FIXME: Json or CKANRecord instead of Text?

From source file com.texeltek.accumulocloudbaseshim.RecordReaderShim.java

public class RecordReaderShim extends RecordReader<Key, Value> {
    private final RecordReader<cloudbase.core.data.Key, cloudbase.core.data.Value> impl;

    public RecordReaderShim(RecordReader<cloudbase.core.data.Key, cloudbase.core.data.Value> impl) {
        this.impl = impl;
    }

From source file com.thinkaurelius.titan.hadoop.formats.titan_054.hbase.CachedTitanHBaseRecordReader.java

/**
 * A copy of the TitanHBaseRecordReader that supports cached Titan connections.
 * <p/>
 * This code is a copy of TitanHBaseRecordReader in Titan 0.5.4 with an added graph cache.
 * The class variables in TitanHBaseRecordReader were declared as private so we could not simply
 * extend the class and modify the record reader.

From source file com.toddbodnar.simpleHadoop.tableRecordReader.java

/**
 *
 * @author toddbodnar
 */
public class tableRecordReader extends RecordReader<Object, Text> {