```
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.

All Methods Static Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`static DruidCluster.Builder`	`builder()`
`List<ServerHolder>`	`getAllServers()`
`Set<ServerHolder>`	`getBrokers()`
`Map<String,NavigableSet<ServerHolder>>`	`getHistoricals()`
`NavigableSet<ServerHolder>`	`getHistoricalsByTier(String tier)`
`Set<ServerHolder>`	`getRealtimes()`
`Iterable<String>`	`getTierNames()`
`boolean`	`isEmpty()`

public Set<ServerHolder> getRealtimes()

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

public Iterable<String> getTierNames()

public NavigableSet<ServerHolder> getHistoricalsByTier(String tier)

public List<ServerHolder> getAllServers()

public static DruidCluster.Builder builder()

Class DruidCluster