org.apache.hadoop.io
Class DoubleWritable

java.lang.Object
  extended by org.apache.hadoop.io.DoubleWritable
All Implemented Interfaces:
Comparable<DoubleWritable>, Writable, WritableComparable<DoubleWritable>

@InterfaceAudience.Public
@InterfaceStability.Stable
public class DoubleWritable
extends Object
implements WritableComparable<DoubleWritable>

Writable for Double values.


Constructor Summary
DoubleWritable()
           
DoubleWritable(double value)
           
 
Method Summary
 int compareTo(DoubleWritable o)
           
 boolean equals(Object o)
          Returns true iff o is a DoubleWritable with the same value.
 double get()
           
 int hashCode()
           
 void readFields(DataInput in)
          Deserialize the fields of this object from in.
 void set(double value)
           
 String toString()
           
 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

DoubleWritable

public DoubleWritable()

DoubleWritable

public DoubleWritable(double value)
Method Detail

readFields

public void readFields(DataInput in)
                throws 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:
IOException

write

public void write(DataOutput out)
           throws 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:
IOException

set

public void set(double value)

get

public double get()

equals

public boolean equals(Object o)
Returns true iff o is a DoubleWritable with the same value.

Overrides:
equals in class Object

hashCode

public int hashCode()
Overrides:
hashCode in class Object

compareTo

public int compareTo(DoubleWritable o)
Specified by:
compareTo in interface Comparable<DoubleWritable>

toString

public String toString()
Overrides:
toString in class Object


Copyright © 2012 Apache Software Foundation. All Rights Reserved.