public class LongWritable extends java.lang.Object implements WritableComparable
Modifier and Type | Class and Description |
---|---|
static class |
LongWritable.Comparator
A Comparator optimized for LongWritable.
|
static class |
LongWritable.DecreasingComparator
A decreasing Comparator optimized for LongWritable.
|
Constructor and Description |
---|
LongWritable() |
LongWritable(long value) |
Modifier and Type | Method and Description |
---|---|
int |
compareTo(java.lang.Object o)
Compares two LongWritables.
|
boolean |
equals(java.lang.Object o)
Returns true iff
o is a LongWritable with the same value. |
long |
get()
Return the value of this LongWritable.
|
int |
hashCode() |
void |
readFields(java.io.DataInput in)
Deserialize the fields of this object from
in . |
void |
set(long value)
Set the value of this LongWritable.
|
double |
toDouble()
Convert Writable to double.
|
float |
toFloat()
Convert Writable to float.
|
int |
toInt()
Convert Writable to int.
|
long |
toLong()
Convert Writable to long.
|
java.lang.String |
toString() |
void |
write(java.io.DataOutput out)
Serialize the fields of this object to
out . |
public void set(long value)
public long get()
public void readFields(java.io.DataInput in) throws java.io.IOException
Writable
in
.
For efficiency, implementations should attempt to re-use storage in the existing object where possible.
readFields
in interface Writable
in
- DataInput
to deseriablize this object from.java.io.IOException
public void write(java.io.DataOutput out) throws java.io.IOException
Writable
out
.public boolean equals(java.lang.Object o)
o
is a LongWritable with the same value.equals
in class java.lang.Object
public int hashCode()
hashCode
in class java.lang.Object
public int compareTo(java.lang.Object o)
compareTo
in interface java.lang.Comparable
public java.lang.String toString()
toString
in class java.lang.Object
public double toDouble()
Writable
public float toFloat()
Writable
public int toInt()
Writable