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

Interface TabletMap

@Beta
public interface TabletMap

Holds all currently known tablet metadata.

Method Summary

Modifier and Type	Method and Description
void	addTablet(CqlIdentifier keyspace, CqlIdentifier table, Tablet tablet) Adds a single tablet to the map.
ConcurrentMap<KeyspaceTableNamePair,ConcurrentSkipListSet<Tablet>>	getMapping() Returns mapping from tables to the sets of their tablets.
Tablet	getTablet(CqlIdentifier keyspace, CqlIdentifier table, long token) Returns Tablet instance
void	removeByKeyspace(CqlIdentifier keyspace) Removes all mappings for a given keyspace.
void	removeByNode(Node node) Removes all tablets that contain given node in its replica list.
void	removeByTable(CqlIdentifier table) Removes all mappings for a given table.

Method Detail

getMapping

ConcurrentMap<KeyspaceTableNamePair,ConcurrentSkipListSet<Tablet>> getMapping()

Returns mapping from tables to the sets of their tablets.

Returns:

the Map keyed by (keyspace,table) pairs with Set of tablets as value type.

addTablet

void addTablet(CqlIdentifier keyspace,
               CqlIdentifier table,
               Tablet tablet)

Adds a single tablet to the map. Handles removal of overlapping tablets.

Parameters:

keyspace - target keyspace

table - target table

tablet - tablet instance to add

getTablet

Tablet getTablet(CqlIdentifier keyspace,
                 CqlIdentifier table,
                 long token)

Returns Tablet instance

Parameters:

keyspace - tablet's keyspace

table - tablet's table

token - target token

Returns:

Tablet responsible for provided token or null if no such tablet is present.

removeByNode

void removeByNode(Node node)

Removes all tablets that contain given node in its replica list.

Parameters:

node - node serving as filter criterion

removeByKeyspace

void removeByKeyspace(CqlIdentifier keyspace)

Removes all mappings for a given keyspace.

Parameters:

keyspace - keyspace to remove

removeByTable

void removeByTable(CqlIdentifier table)

Removes all mappings for a given table.

Parameters:

table - table to remove