Example usage for org.apache.hadoop.io DoubleWritable get

Introduction

In this page you can find the example usage for org.apache.hadoop.io DoubleWritable get.

Prototype

public double get()

Source Link

Usage

From source file:org.mrgeo.pdf.TriangularDistributionPdfCurve.java

License:Apache License

private void _computeCurve(Path[] pdfFiles, Configuration conf) throws IOException {
    SequenceFile.Reader r = null;
    _likelihoods = new double[(int) _bin];
    int index = 0;
    try {//from  ww w  .j  ava  2s  .  c  om
        // Loop through each of the output files from the reduce to process all of
        // the PDF histogram bins
        for (Path pdfFile : pdfFiles) {
            // ignore all the non-part files
            if (!pdfFile.getName().startsWith("part")) {
                continue;
            }
            r = new SequenceFile.Reader(pdfFile.getFileSystem(conf), pdfFile, conf);
            DoubleWritable key = new DoubleWritable();
            DoubleWritable value = new DoubleWritable();
            while (r.next(key, value)) {
                _likelihoods[index] = value.get();
                index++;
            }
        }
    } finally {
        IOUtils.closeStream(r);
    }
}

From source file:org.openflamingo.mapreduce.aggregator.DoubleMaxAggregator.java

License:Apache License

@Override
public void aggregate(DoubleWritable value) {
    double val = value.get();
    if (val > max) {
        max = val;
    }//from   ww w.j av a2s  .  c  o  m
}

From source file:org.openflamingo.mapreduce.aggregator.DoubleMaxAggregator.java

License:Apache License

@Override
public void setAggregatedValue(DoubleWritable value) {
    max = value.get();
}

From source file:org.openflamingo.mapreduce.aggregator.DoubleMinAggregator.java

License:Apache License

@Override
public void aggregate(DoubleWritable value) {
    double val = value.get();
    if (val < min) {
        min = val;
    }/*from w w w .  j  a va  2 s  . c  o  m*/
}

From source file:org.openflamingo.mapreduce.aggregator.DoubleMinAggregator.java

License:Apache License

@Override
public void setAggregatedValue(DoubleWritable value) {
    min = value.get();
}

From source file:org.openflamingo.mapreduce.aggregator.DoubleOverwriteAggregator.java

License:Apache License

@Override
public void aggregate(DoubleWritable value) {
    result = value.get();
}

From source file:org.openflamingo.mapreduce.aggregator.DoubleOverwriteAggregator.java

License:Apache License

@Override
public void setAggregatedValue(DoubleWritable value) {
    result = value.get();
}

From source file:org.openflamingo.mapreduce.aggregator.DoubleProductAggregator.java

License:Apache License

@Override
public void aggregate(DoubleWritable value) {
    product *= value.get();
}

From source file:org.openflamingo.mapreduce.aggregator.DoubleProductAggregator.java

License:Apache License

@Override
public void setAggregatedValue(DoubleWritable value) {
    product = value.get();
}

From source file:org.pentaho.hadoop.mapreduce.converter.converters.DoubleWritableToDoubleConverter.java

License:Apache License

@Override
public Double convert(ValueMetaInterface meta, DoubleWritable obj) throws TypeConversionException {
    return new Double(obj.get());
}