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

Introduction

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

Prototype

public FloatWritable(float value)

Source Link

Usage

From source file:org.huahinframework.core.io.RecordTest.java

License:Apache License

@Test
public void testGroupingFloatWritable() {
    Record record = new Record();
    FloatWritable o = new FloatWritable(10.0F);
    record.addGrouping("Object", o);
    assertEquals(record.getGroupingFloatWritable("Object"), o);
    assertEquals(record.getGroupingFloatWritable("Object2"), null);

    try {// www . j a v  a2  s.  c o  m
        record.getGroupingInteger("Object");
        fail("fail ClassCastException");
    } catch (Exception e) {
        assertTrue(e instanceof ClassCastException);
    }
}

From source file:org.huahinframework.core.io.RecordTest.java

License:Apache License

@Test
public void testValueFloatWritable() {
    Record record = new Record();
    FloatWritable o = new FloatWritable(10.0F);
    record.addValue("Object", o);
    assertEquals(record.getValueFloatWritable("Object"), o);
    assertEquals(record.getValueFloatWritable("Object2"), null);

    try {// w  ww  . ja  v  a  2  s  .c  o m
        record.getValueIntWritable("Object");
        fail("fail ClassCastException");
    } catch (Exception e) {
        assertTrue(e instanceof ClassCastException);
    }
}

From source file:org.huahinframework.core.util.ObjectUtil.java

License:Apache License

/**
 * Convert the HadoopObject from Java primitive.
 * @param object Java primitive object/* ww  w  . j  a v  a 2  s  .c om*/
 * @return HadoopObject
 */
public static HadoopObject primitive2Hadoop(Object object) {
    if (object == null) {
        return new HadoopObject(NULL, NullWritable.get());
    }

    if (object instanceof Byte) {
        return new HadoopObject(BYTE, new ByteWritable((Byte) object));
    } else if (object instanceof Integer) {
        return new HadoopObject(INTEGER, new IntWritable((Integer) object));
    } else if (object instanceof Long) {
        return new HadoopObject(LONG, new LongWritable((Long) object));
    } else if (object instanceof Double) {
        return new HadoopObject(DOUBLE, new DoubleWritable((Double) object));
    } else if (object instanceof Float) {
        return new HadoopObject(FLOAT, new FloatWritable((Float) object));
    } else if (object instanceof Boolean) {
        return new HadoopObject(BOOLEAN, new BooleanWritable((Boolean) object));
    } else if (object instanceof String) {
        return new HadoopObject(STRING, new Text((String) object));
    } else if (object.getClass().isArray()) {
        return arrayPrimitive2Hadoop(object);
    } else if (object instanceof Collection<?>) {
        Collection<?> collection = (Collection<?>) object;
        return arrayPrimitive2Hadoop(collection.toArray());
    } else if (object instanceof Map<?, ?>) {
        Map<?, ?> map = (Map<?, ?>) object;
        if (map.size() == 0) {
            throw new ClassCastException("object not found");
        }

        MapWritable mapWritable = new MapWritable();
        for (Entry<?, ?> entry : map.entrySet()) {
            mapWritable.put(primitive2Hadoop(entry.getKey()).getObject(),
                    primitive2Hadoop(entry.getValue()).getObject());
        }

        return new HadoopObject(MAP, mapWritable);
    }

    throw new ClassCastException("cast object not found");
}

From source file:org.huahinframework.core.util.ObjectUtilTest.java

License:Apache License

@Test
public void testPrimitive2HadoopIOFloat() {
    float o = 123;
    HadoopObject ho = ObjectUtil.primitive2Hadoop(o);
    assertEquals(ObjectUtil.FLOAT, ho.getType());
    assertEquals(new FloatWritable(o), ho.getObject());
}

From source file:org.huahinframework.core.util.ObjectUtilTest.java

License:Apache License

@Test
public void testHadoopIO2PrimitiveFloat() {
    float o = 123;
    PrimitiveObject no = ObjectUtil.hadoop2Primitive(new FloatWritable(o));
    assertEquals(ObjectUtil.FLOAT, no.getType());
    assertEquals(o, no.getObject());//from  www  .j ava 2s .co m
}

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

License:Apache License

@Override
public FloatWritable getAggregatedValue() {
    return new FloatWritable(max);
}

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

License:Apache License

@Override
public FloatWritable getAggregatedValue() {
    return new FloatWritable(min);
}

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

License:Apache License

@Override
public FloatWritable getAggregatedValue() {
    return new FloatWritable(result);
}

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

License:Apache License

@Override
public FloatWritable getAggregatedValue() {
    return new FloatWritable(product);
}

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

License:Apache License

@Override
public FloatWritable getAggregatedValue() {
    return new FloatWritable(sum);
}