io.ray.streaming.runtime.transfer.channel

Class ChannelId

java.lang.Object

io.ray.streaming.runtime.transfer.channel.ChannelId

public class ChannelId
extends Object

ChannelID is used to identify a transfer channel between a upstream worker and downstream worker.

Field Summary

Fields

Modifier and Type	Field and Description
static int	ID_LENGTH

Method Summary

Modifier and Type	Method and Description
boolean	equals(Object o)
static ChannelId	from(byte[] idBytes)
static ChannelId	from(String id)
static String	genIdStr(int fromTaskId, int toTaskId, long ts) Generate channel name, which will be ID_LENGTH character
static String	genRandomIdStr() Returns a random channel id string
long	getAddress()
ByteBuffer	getBuffer()
byte[]	getBytes()
long	getNativeIdPtr()
int	hashCode()
static String	idBytesToStr(byte[] id)
static byte[]	idStrToBytes(String id)
String	toString()

Methods inherited from class java.lang.Object

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

Field Detail

ID_LENGTH

public static final int ID_LENGTH

See Also:

Constant Field Values

Method Detail

from

public static ChannelId from(String id)

Parameters:

id - hex string representation of channel id

from

public static ChannelId from(byte[] idBytes)

Parameters:

idBytes - bytes representation of channel id

genRandomIdStr

public static String genRandomIdStr()

Returns a random channel id string

genIdStr

public static String genIdStr(int fromTaskId,
                              int toTaskId,
                              long ts)

Generate channel name, which will be ID_LENGTH character

Parameters:

fromTaskId - upstream task id

toTaskId - downstream task id

Returns:

channel name

idStrToBytes

public static byte[] idStrToBytes(String id)

Parameters:

id - hex string representation of channel id

Returns:

bytes representation of channel id

idBytesToStr

public static String idBytesToStr(byte[] id)

Parameters:

id - bytes representation of channel id

Returns:

hex string representation of channel id

getBytes

public byte[] getBytes()

getBuffer

public ByteBuffer getBuffer()

getAddress

public long getAddress()

getNativeIdPtr

public long getNativeIdPtr()

toString

public String toString()

Overrides:

toString in class Object

equals

public boolean equals(Object o)

Overrides:

equals in class Object

hashCode

public int hashCode()

Overrides:

hashCode in class Object