RunRules (druid-server 29.0.1 API)

java.lang.Object
- org.apache.druid.server.coordinator.duty.RunRules

All Implemented Interfaces:

CoordinatorDuty
```
public class RunRules
extends Object
implements CoordinatorDuty
```
Duty to run retention rules for all used non-overshadowed segments. Overshadowed segments are marked unused by MarkOvershadowedSegmentsAsUnused duty and are eventually unloaded from all servers by UnloadUnusedSegments.
The params returned from run() must have these fields initialized:
- DruidCoordinatorRuntimeParams.getBroadcastDatasources()
These fields are used by the downstream coordinator duty, BalanceSegments.

Constructor Summary

Constructors
Constructor Description

RunRules(SegmentDeleteHandler deleteHandler)

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`DruidCoordinatorRuntimeParams`	`run(DruidCoordinatorRuntimeParams params)`	Implementations of this method run various activities performed by the coordinator.

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Constructor Detail
  - RunRules
```
public RunRules(SegmentDeleteHandler deleteHandler)
```
- Method Detail
  - run
```
public DruidCoordinatorRuntimeParams run(DruidCoordinatorRuntimeParams params)
```
    Description copied from interface: CoordinatorDuty
    
    Implementations of this method run various activities performed by the coordinator. Input params can be used and modified. The returned DruidCoordinatorRuntimeParams is passed to the next duty.
    
    Specified by:
    
    run in interface CoordinatorDuty
    
    Returns:
    
    same as input or a modified value to be used by next duty. Null return values will prevent subsequent CoordinatorDuty objects (see the order in the lists passed into the constructor of DruidCoordinator.DutiesRunnable) from running until the next cycle.