Package com.yahoo.search.dispatch.searchcluster

Class Node

java.lang.Object

com.yahoo.search.dispatch.searchcluster.Node

public class Node
extends Object

A node in a search cluster. This class is multithread safe.

Author:

bratseth, ollivir

Constructor Summary

Constructors

Constructor	Description
Node(int key, String hostname, int group)

Method Summary

Modifier and Type	Method	Description
long	createPingSequenceId()	Give a monotonically increasing sequence number.
boolean	equals(Object o)
long	getLastReceivedPongId()
int	group()	Returns the id of the group this node belongs to
int	hashCode()
String	hostname()
boolean	isLastReceivedPong(long pingId)	Checks if this pong is received in line and accepted, or out of band and should be ignored..
Boolean	isWorking()	Returns whether this node is currently responding to requests, or null if status is not known
int	key()	Returns the unique and stable distribution key of this node
int	pathIndex()
void	setActiveDocuments(long activeDocuments)	Updates the active documents on this node
void	setBlockingWrites(boolean isBlockingWrites)
void	setWorking(boolean working)
String	toString()

Methods inherited from class java.lang.Object

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

Constructor Detail

Node

public Node(int key,
            String hostname,
            int group)

Method Detail

createPingSequenceId

public long createPingSequenceId()

Give a monotonically increasing sequence number.

isLastReceivedPong

public boolean isLastReceivedPong(long pingId)

Checks if this pong is received in line and accepted, or out of band and should be ignored..

getLastReceivedPongId

public long getLastReceivedPongId()

key

public int key()

Returns the unique and stable distribution key of this node

pathIndex

public int pathIndex()

hostname

public String hostname()

group

public int group()

Returns the id of the group this node belongs to

setWorking

public void setWorking(boolean working)

isWorking

public Boolean isWorking()

Returns whether this node is currently responding to requests, or null if status is not known

setActiveDocuments

public void setActiveDocuments(long activeDocuments)

Updates the active documents on this node

setBlockingWrites

public void setBlockingWrites(boolean isBlockingWrites)

hashCode

public int hashCode()

Overrides:

hashCode in class Object

equals

public boolean equals(Object o)

Overrides:

equals in class Object

toString

public String toString()

Overrides:

toString in class Object