Package org.apache.druid.server.coordinator

Class DruidCluster

java.lang.Object

org.apache.druid.server.coordinator.DruidCluster

public class DruidCluster
extends Object

Contains a representation of the current state of the cluster by tier. Each tier is mapped to the list of servers for that tier sorted by available space.

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static class	DruidCluster.Builder

Field Summary

Fields

Modifier and Type	Field	Description
static final DruidCluster	EMPTY

Method Summary

Modifier and Type	Method	Description
static DruidCluster.Builder	builder()
List<ServerHolder>	getAllManagedServers()
Set<ServerHolder>	getBrokers()
Map<String,NavigableSet<ServerHolder>>	getHistoricals()	Return all historicals.
Map<String,NavigableSet<ServerHolder>>	getManagedHistoricals()	Returns all managed historicals.
NavigableSet<ServerHolder>	getManagedHistoricalsByTier(String tier)
Set<ServerHolder>	getRealtimes()
Iterable<String>	getTierNames()
boolean	isEmpty()

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Details

EMPTY

public static final DruidCluster EMPTY

Method Details

getRealtimes

public Set<ServerHolder> getRealtimes()

getHistoricals

public Map<String,NavigableSet<ServerHolder>> getHistoricals()

Return all historicals.

getManagedHistoricals

public Map<String,NavigableSet<ServerHolder>> getManagedHistoricals()

Returns all managed historicals. Managed historicals are historicals which can participate in segment assignment, drop or balancing.

getBrokers

public Set<ServerHolder> getBrokers()

getTierNames

public Iterable<String> getTierNames()

getManagedHistoricalsByTier

public NavigableSet<ServerHolder> getManagedHistoricalsByTier(String tier)

getAllManagedServers

public List<ServerHolder> getAllManagedServers()

isEmpty

public boolean isEmpty()

builder

public static DruidCluster.Builder builder()