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

Introduction

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

Prototype

public float get()

Source Link

Document

Return the value of this FloatWritable.

Usage

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

License:Apache License

@Override
public void aggregate(FloatWritable value) {
    sum += value.get();
}

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

License:Apache License

@Override
public void setAggregatedValue(FloatWritable value) {
    sum = value.get();
}

From source file:org.shadowmask.engine.hive.udf.UDFHiding.java

License:Apache License

/**
 * Float version/* w  ww . j  av a  2 s  . co m*/
 */
public FloatWritable evaluate(FloatWritable data, FloatWritable value) {
    if (value == null) {
        return null;
    }
    FloatWritable result = new FloatWritable(value.get());
    return result;
}

From source file:org.shadowmask.engine.hive.udf.UDFHidingTest.java

License:Apache License

@Test
public void testUDFHiding() {
    UDFHiding udfHiding = new UDFHiding();

    ByteWritable dataByte = new ByteWritable((byte) 34);
    ByteWritable valueByte = new ByteWritable((byte) 46);
    ByteWritable result1 = udfHiding.evaluate(dataByte, valueByte);
    assertEquals(valueByte.get(), result1.get());

    DoubleWritable dataDouble = new DoubleWritable(34.45);
    DoubleWritable valueDouble = new DoubleWritable(4.6);
    DoubleWritable result2 = udfHiding.evaluate(dataDouble, valueDouble);
    assertEquals(valueDouble.get(), result2.get(), Double.MIN_VALUE);

    FloatWritable dataFloat = new FloatWritable(34.45f);
    FloatWritable valueFloat = new FloatWritable(4.6f);
    FloatWritable result3 = udfHiding.evaluate(dataFloat, valueFloat);
    assertEquals(valueFloat.get(), result3.get(), Float.MIN_VALUE);

    IntWritable dataInt = new IntWritable(33456);
    IntWritable valueInt = new IntWritable(-4546);
    IntWritable result4 = udfHiding.evaluate(dataInt, valueInt);
    assertEquals(valueInt.get(), result4.get());

    LongWritable dataLong = new LongWritable(334563L);
    LongWritable valueLong = new LongWritable(-45465555L);
    LongWritable result5 = udfHiding.evaluate(dataLong, valueLong);
    assertEquals(valueLong.get(), result5.get());

    ShortWritable dataShort = new ShortWritable((short) 33);
    ShortWritable valueShort = new ShortWritable((short) -4548);
    ShortWritable result6 = udfHiding.evaluate(dataShort, valueShort);
    assertEquals(valueShort.get(), result6.get());

    Text dataText = new Text("hello");
    Text valueText = new Text("intel");
    Text result7 = udfHiding.evaluate(dataText, valueText);
    assertEquals(valueText.toString(), result7.toString());
}

From source file:org.shaf.core.util.IOUtilsTest.java

License:Apache License

/**
 * Test writing of {@code float} value./*  w  ww .j av a2 s.  com*/
 */
@Test
public void testWriteFloat() {
    byte[] buf = null;

    float value = 123.456f;
    try (ByteArrayOutputStream baos = new ByteArrayOutputStream();
            DataOutputStream out = new DataOutputStream(baos);) {
        IOUtils.writeObject(value, out);
        buf = baos.toByteArray();
    } catch (IOException exc) {
        fail(exc.getMessage());
    }

    try (ByteArrayInputStream bais = new ByteArrayInputStream(buf);
            DataInputStream in = new DataInputStream(bais);) {
        FloatWritable probe = new FloatWritable();
        probe.readFields(in);
        assertEquals(value, probe.get(), 0.0001);
    } catch (IOException exc) {
        fail(exc.getMessage());
    }
}

From source file:tlfetl.card.TLFDWHValue.java

@Override
public void readFields(DataInput di) throws IOException {
    FloatWritable writableAmount = new FloatWritable();
    IntWritable writableCount = new IntWritable();
    writableAmount.readFields(di);//ww  w  .j a va  2s  .  co  m
    writableCount.readFields(di);
    amount = writableAmount.get();
    count = writableCount.get();
}