org.apache.flink.runtime.blob

Class BlobKey

java.lang.Object

org.apache.flink.runtime.blob.BlobKey

All Implemented Interfaces:

Comparable<BlobKey>, IOReadableWritable

public final class BlobKey
extends Object
implements IOReadableWritable, Comparable<BlobKey>

A BLOB key uniquely identifies a BLOB.

Constructor Summary

Constructors

Constructor and Description
BlobKey() Constructs a new BLOB key.

Method Summary

Methods

Modifier and Type	Method and Description
void	addToMessageDigest(MessageDigest md) Adds the BLOB key to the given MessageDigest.
int	compareTo(BlobKey o)
boolean	equals(Object obj)
int	hashCode()
void	read(DataInputView in)
String	toString()
void	write(DataOutputView out)

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Constructor Detail

BlobKey

public BlobKey()

Constructs a new BLOB key.

Method Detail

write

public void write(DataOutputView out)
           throws IOException

Specified by:

write in interface IOReadableWritable

Throws:

IOException

read

public void read(DataInputView in)
          throws IOException

Specified by:

read in interface IOReadableWritable

Throws:

IOException

equals

public boolean equals(Object obj)

Overrides:

equals in class Object

hashCode

public int hashCode()

Overrides:

hashCode in class Object

toString

public String toString()

Overrides:

toString in class Object

compareTo

public int compareTo(BlobKey o)

Specified by:

compareTo in interface Comparable<BlobKey>

addToMessageDigest

public void addToMessageDigest(MessageDigest md)

Adds the BLOB key to the given MessageDigest.

Parameters:

md - the message digest to add the BLOB key to