DruidCluster (druid-server 0.19.0 API)

```
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.

Constructors
Constructor and Description
`DruidCluster()`

All Methods Instance Methods Concrete Methods
Modifier and Type	Method and Description
`void`	`add(ServerHolder serverHolder)`
`Collection<ServerHolder>`	`getAllServers()`
`Set<ServerHolder>`	`getBrokers()`
`Map<String,NavigableSet<ServerHolder>>`	`getHistoricals()`
`NavigableSet<ServerHolder>`	`getHistoricalsByTier(String tier)`
`Set<ServerHolder>`	`getRealtimes()`
`Iterable<NavigableSet<ServerHolder>>`	`getSortedHistoricalsByTier()`
`Iterable<String>`	`getTierNames()`
`boolean`	`hasBrokers()`
`boolean`	`hasHistoricals()`
`boolean`	`hasRealtimes()`
`boolean`	`hasTier(String tier)`
`boolean`	`isEmpty()`

public void add(ServerHolder serverHolder)

public Set<ServerHolder> getRealtimes()

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

public Iterable<String> getTierNames()

public NavigableSet<ServerHolder> getHistoricalsByTier(String tier)

public Collection<ServerHolder> getAllServers()

public Iterable<NavigableSet<ServerHolder>> getSortedHistoricalsByTier()

Class DruidCluster