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

Introduction

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

Usage

From source file org.apache.tinkerpop.gremlin.hadoop.structure.io.gryo.GryoRecordReader.java

/**
 * @author Marko A. Rodriguez (http://markorodriguez.com)
 */
public final class GryoRecordReader extends RecordReader<NullWritable, VertexWritable> {

    private FSDataInputStream inputStream;

From source file org.apache.tinkerpop.gremlin.hadoop.structure.io.script.ScriptRecordReader.java

/**
 * @author Daniel Kuppitz (http://gremlin.guru)
 * @author Marko A. Rodriguez (http://markorodriguez.com)
 */
public final class ScriptRecordReader extends RecordReader<NullWritable, VertexWritable> {

From source file org.apache.trevni.avro.mapreduce.AvroTrevniRecordReaderBase.java

/**
 * Abstract base class for <code>RecordReader</code>s that read Trevni container files.
 *
 * @param <K> The type of key the record reader should generate.
 * @param <V> The type of value the record reader should generate.
 * @param <T> The type of the entries within the Trevni container file being read.

From source file org.archive.hadoop.mapreduce.LineDereferencingRecordReader.java

/**
 * RecordReader which reads pointers to actual files from an internal 
 * LineRecordReader, producing a LineRecordReader for the files pointed to by
 * the actual input.
 * 
 * @author brad

From source file org.archive.wayback.hadoop.LineDereferencingRecordReader.java

/**
 * RecordReader which reads pointers to actual files from an internal 
 * LineRecordReader, producing a LineRecordReader for the files pointed to by
 * the actual input.
 * 
 * @author brad

From source file org.bdgenomics.adam.io.FastqRecordReader.java

/**
 * A record reader for the interleaved FASTQ format.
 *
 * Reads over an input file and parses interleaved FASTQ read pairs into
 * a single Text output. This is then fed into the FastqConverter, which
 * converts the single Text instance into two AlignmentRecords.

From source file org.bgi.flexlab.gaea.data.mapreduce.input.adaptor.AdaptorRecordReader.java

public class AdaptorRecordReader extends RecordReader<Text, Text> {
    protected static final Log LOG = LogFactory.getLog(AdaptorRecordReader.class.getName());
    protected CompressionCodecFactory compressionCodecs = null;
    private long start;
    protected long pos;
    protected long end;

From source file org.bgi.flexlab.gaea.data.mapreduce.input.bam.GaeaBamRecordReader.java

public class GaeaBamRecordReader extends RecordReader<LongWritable, SamRecordWritable> {
    private final LongWritable key = new LongWritable();
    private final SamRecordWritable record = new SamRecordWritable();

    private ValidationStringency stringency;

From source file org.bgi.flexlab.gaea.data.mapreduce.input.cram.GaeaCombineCramFileRecordReader.java

public class GaeaCombineCramFileRecordReader extends RecordReader<LongWritable, SAMRecordWritable> {
    protected GaeaCramRecordReader currentReader = null;
    protected CombineFileSplit split;
    protected int fileIndex;
    protected TaskAttemptContext context;

From source file org.bgi.flexlab.gaea.data.mapreduce.input.cram.GaeaCramRecordReader.java

public class GaeaCramRecordReader extends RecordReader<LongWritable, SAMRecordWritable> {
    public final static String INPUTFORMAT_REFERENCE = "inputformat.reference";
    public final static String CRAM_FILE_SPLITABLE = "cram.file.splitable";

    protected final LongWritable key = new LongWritable();
    protected final SAMRecordWritable record = new SAMRecordWritable();