TimelineServerView (druid-server 29.0.1 API)

All Superinterfaces:

ServerView

All Known Implementing Classes:

BrokerServerView
```
public interface TimelineServerView
extends ServerView
```

Nested Class Summary

Nested Classes
Modifier and Type Interface Description

static interface TimelineServerView.TimelineCallback
- Nested classes/interfaces inherited from interface org.apache.druid.client.ServerView
  ServerView.BaseSegmentCallback, ServerView.CallbackAction, ServerView.SegmentCallback, ServerView.ServerRemovedCallback

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`List<ImmutableDruidServer>`	`getDruidServers()`	Returns a list of `ImmutableDruidServer`
`<T> org.apache.druid.query.QueryRunner<T>`	`getQueryRunner(DruidServer server)`
`Optional<? extends org.apache.druid.timeline.TimelineLookup<String,ServerSelector>>`	`getTimeline(org.apache.druid.query.planning.DataSourceAnalysis analysis)`	Returns the timeline for a datasource, if it exists.
`void`	`registerTimelineCallback(Executor exec, TimelineServerView.TimelineCallback callback)`	Register a callback for state changes in the timeline managed by this TimelineServerView.

Methods inherited from interface org.apache.druid.client.ServerView
registerSegmentCallback, registerServerRemovedCallback

- Method Detail
  - getTimeline
```
Optional<? extends org.apache.druid.timeline.TimelineLookup<String,ServerSelector>> getTimeline(org.apache.druid.query.planning.DataSourceAnalysis analysis)
```
    Returns the timeline for a datasource, if it exists. The analysis object passed in must represent a scan-based datasource of a single table.
    
    Parameters:
    
    analysis - data source analysis information
    
    Returns:
    
    timeline, if it exists
    
    Throws:
    
    IllegalStateException - if 'analysis' does not represent a scan-based datasource of a single table
  - getDruidServers
```
List<ImmutableDruidServer> getDruidServers()
```
    Returns a list of ImmutableDruidServer
  - getQueryRunner
```
<T> org.apache.druid.query.QueryRunner<T> getQueryRunner(DruidServer server)
```
  - registerTimelineCallback
```
void registerTimelineCallback(Executor exec,
                              TimelineServerView.TimelineCallback callback)
```
    Register a callback for state changes in the timeline managed by this TimelineServerView. The callback will be called after the relevant change is made to this TimelineServerView's timeline.
    
    Parameters:
    
    exec - executor in which to run the callback
    
    callback - the callback