public class DoubleWritable extends Object implements WritableComparable
| Modifier and Type | Class and Description |
|---|---|
static class |
DoubleWritable.Comparator
A Comparator optimized for DoubleWritable.
|
| Constructor and Description |
|---|
DoubleWritable() |
DoubleWritable(double value) |
| Modifier and Type | Method and Description |
|---|---|
int |
compareTo(Object o) |
boolean |
equals(Object o)
Returns true iff
o is a DoubleWritable with the same value. |
double |
get() |
WritableType |
getType() |
int |
hashCode() |
void |
readFields(DataInput in)
Deserialize the fields of this object from
in. |
void |
set(double value) |
double |
toDouble()
Convert Writable to double.
|
float |
toFloat()
Convert Writable to float.
|
int |
toInt()
Convert Writable to int.
|
long |
toLong()
Convert Writable to long.
|
String |
toString() |
void |
write(DataOutput out)
Serialize the fields of this object to
out. |
void |
writeType(DataOutput out)
Write the type (a single short value) to the DataOutput.
|
public DoubleWritable()
public DoubleWritable(double value)
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.IOExceptionpublic void writeType(DataOutput out) throws IOException
WritableWritableFactory for details.writeType in interface Writableout - DataOutput to write toIOException - For errors during writingpublic 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.public int compareTo(Object o)
compareTo in interface Comparablepublic double toDouble()
Writablepublic float toFloat()
Writablepublic int toInt()
Writablepublic long toLong()
Writablepublic WritableType getType()
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