Package org.apache.hadoop.io

Class BooleanWritable

java.lang.Object

org.apache.hadoop.io.BooleanWritable

All Implemented Interfaces:

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

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

A WritableComparable for booleans.

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static class	BooleanWritable.Comparator	A Comparator optimized for BooleanWritable.

Constructor Summary

Constructors

Constructor	Description
BooleanWritable()
BooleanWritable(boolean value)

Method Summary

Modifier and Type	Method	Description
int	compareTo(BooleanWritable o)
boolean	equals(java.lang.Object o)
boolean	get()	Returns the value of the BooleanWritable.
int	hashCode()
void	readFields(java.io.DataInput in)	Deserialize the fields of this object from in.
void	set(boolean value)	Set the value of the BooleanWritable.
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

BooleanWritable

public BooleanWritable()

BooleanWritable

public BooleanWritable(boolean value)

Parameters:

value - value.

Method Detail

set

public void set(boolean value)

Set the value of the BooleanWritable.

Parameters:

value - value.

get

public boolean get()

Returns the value of the BooleanWritable.

Returns:

the value of the BooleanWritable.

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)

Overrides:

equals in class java.lang.Object

hashCode

public int hashCode()

Overrides:

hashCode in class java.lang.Object

compareTo

public int compareTo(BooleanWritable o)

Specified by:

compareTo in interface java.lang.Comparable<BooleanWritable>

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object