com.datastax.oss.driver.api.core.metadata

Interface Tablet

All Superinterfaces:

Comparable<Tablet>

@Beta
public interface Tablet
extends Comparable<Tablet>

Represents a tablet as described in tablets-routing-v1 protocol extension with some additional fields for ease of use.

Method Summary

Modifier and Type	Method and Description
long	getFirstToken() Returns left endpoint of an interval.
long	getLastToken() Returns right endpoint of an interval.
Set<Node>	getReplicaNodes()
int	getShardForNode(Node node) Looks up the shard number for specific replica Node.

Methods inherited from interface java.lang.Comparable

compareTo

Method Detail

getFirstToken

long getFirstToken()

Returns left endpoint of an interval. This interval is left-open, meaning the tablet does not own the token equal to the first token.

Returns:

long value representing first token.

getLastToken

long getLastToken()

Returns right endpoint of an interval. This interval is right-closed, which means that last token is owned by this tablet.

Returns:

long value representing last token.

getReplicaNodes

Set<Node> getReplicaNodes()

getShardForNode

int getShardForNode(Node node)

Looks up the shard number for specific replica Node.

Parameters:

node - one of the replica nodes of this tablet.

Returns:

Shard number for the replica or -1 if no such Node found.