public class UDFToDouble extends UDF
Constructor and Description |
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UDFToDouble() |
Modifier and Type | Method and Description |
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DoubleWritable |
evaluate(BooleanWritable i)
Convert from boolean to a double.
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DoubleWritable |
evaluate(FloatWritable i)
Convert from float to a double.
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DoubleWritable |
evaluate(IntWritable i)
Convert from integer to a double.
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DoubleWritable |
evaluate(LongWritable i)
Convert from long to a double.
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DoubleWritable |
evaluate(NullWritable i)
Convert from void to a double.
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DoubleWritable |
evaluate(Text i)
Convert from string to a double.
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getRequiredFiles, getRequiredJars, getResolver, setResolver
public DoubleWritable evaluate(NullWritable i)
i
- The void value to convertpublic DoubleWritable evaluate(BooleanWritable i)
i
- The boolean value to convertpublic DoubleWritable evaluate(IntWritable i)
i
- The integer value to convertpublic DoubleWritable evaluate(LongWritable i)
i
- The long value to convertpublic DoubleWritable evaluate(FloatWritable i)
i
- The float value to convertpublic DoubleWritable evaluate(Text i)
i
- The string value to convertCopyright © 2012 The Apache Software Foundation