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java.lang.Objectorg.apache.hadoop.io.DoubleWritable
public class DoubleWritable
Writable for Double values.
| Nested Class Summary | |
|---|---|
static class |
DoubleWritable.Comparator
A Comparator optimized for DoubleWritable. |
| Constructor Summary | |
|---|---|
DoubleWritable()
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DoubleWritable(double value)
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| Method Summary | |
|---|---|
int |
compareTo(Object o)
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boolean |
equals(Object o)
Returns true iff o is a DoubleWritable with the same value. |
double |
get()
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int |
hashCode()
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void |
readFields(DataInput in)
Deserialize the fields of this object from in. |
void |
set(double value)
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String |
toString()
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void |
write(DataOutput out)
Serialize the fields of this object to out. |
| Methods inherited from class java.lang.Object |
|---|
clone, finalize, getClass, notify, notifyAll, wait, wait, wait |
| Constructor Detail |
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public DoubleWritable()
public DoubleWritable(double value)
| Method Detail |
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public void readFields(DataInput in)
throws IOException
Writablein.
For efficiency, implementations should attempt to re-use storage in the existing object where possible.
readFields in interface Writablein - DataInput to deseriablize this object from.
IOException
public void write(DataOutput out)
throws IOException
Writableout.
write in interface Writableout - DataOuput to serialize this object into.
IOExceptionpublic void set(double value)
public double get()
public boolean equals(Object o)
o is a DoubleWritable with the same value.
equals in class Objectpublic int hashCode()
hashCode in class Objectpublic int compareTo(Object o)
compareTo in interface Comparablepublic String toString()
toString in class Object
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