Package org.apache.hadoop.io

Class VLongWritable

java.lang.Object

org.apache.hadoop.io.VLongWritable

All Implemented Interfaces:

java.lang.Comparable<VLongWritable>, Writable, WritableComparable<VLongWritable>

@Public
@Stable
public class VLongWritable
extends java.lang.Object
implements WritableComparable<VLongWritable>

A WritableComparable for longs in a variable-length format. Such values take between one and five bytes. Smaller values take fewer bytes.

See Also:

WritableUtils.readVLong(DataInput)

Constructor Summary

Constructors

Constructor	Description
VLongWritable()
VLongWritable(long value)

Method Summary

Modifier and Type	Method	Description
int	compareTo(VLongWritable o)	Compares two VLongWritables.
boolean	equals(java.lang.Object o)	Returns true iff o is a VLongWritable with the same value.
long	get()
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.
java.lang.String	toString()
void	write(java.io.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

VLongWritable

public VLongWritable()

VLongWritable

public VLongWritable(long value)

Method Detail

set

public void set(long value)

Set the value of this LongWritable.

Parameters:

value - input value.

get

public long get()

Returns:

Return the value of this LongWritable.

readFields

public void readFields(java.io.DataInput in)
                throws java.io.IOException

Description copied from interface: Writable

Deserialize the fields of this object from in.

For efficiency, implementations should attempt to re-use storage in the existing object where possible.

Specified by:

readFields in interface Writable

Parameters:

in - DataInput to deseriablize this object from.

Throws:

java.io.IOException - any other problem for readFields.

write

public void write(java.io.DataOutput out)
           throws java.io.IOException

Description copied from interface: Writable

Serialize the fields of this object to out.

Specified by:

write in interface Writable

Parameters:

out - DataOuput to serialize this object into.

Throws:

java.io.IOException - any other problem for write.

equals

public boolean equals(java.lang.Object o)

Returns true iff o is a VLongWritable with the same value.

Overrides:

equals in class java.lang.Object

hashCode

public int hashCode()

Overrides:

hashCode in class java.lang.Object

compareTo

public int compareTo(VLongWritable o)

Compares two VLongWritables.

Specified by:

compareTo in interface java.lang.Comparable<VLongWritable>

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object