RTimerTree (Solr 9.0.0 core API)

java.lang.Object
- org.apache.solr.util.RTimer
- - org.apache.solr.util.RTimerTree

```
public class RTimerTree
extends RTimer
```
A recursive timer.
RTimerTree's are started automatically when instantiated; sub-timers are also started automatically when created.

Nested Class Summary
- Nested classes/interfaces inherited from class org.apache.solr.util.RTimer
  RTimer.TimerImpl

Field Summary

Fields
Modifier and Type Field Description

protected SimpleOrderedMap<RTimerTree> children
- Fields inherited from class org.apache.solr.util.RTimer
  PAUSED, STARTED, state, STOPPED

Constructor Summary

Constructors
Constructor Description

RTimerTree()

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`NamedList<Object>`	`asNamedList()`
`SimpleOrderedMap<RTimerTree>`	`getChildren()`	Manipulating this map may have undefined results.
`protected RTimerTree`	`newTimer()`
`double`	`stop()`	Recursively stop timer and sub timers
`RTimerTree`	`sub(String desc)`	Returns a subtimer given its name.
`String`	`toString()`

Methods inherited from class org.apache.solr.util.RTimer
getTime, newTimerImpl, pause, resume

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

- Field Detail
  - children
```
protected SimpleOrderedMap<RTimerTree> children
```
- Constructor Detail
  - RTimerTree
```
public RTimerTree()
```
- Method Detail
  - stop
```
public double stop()
```
    Recursively stop timer and sub timers
    
    Overrides:
    
    stop in class RTimer
  - newTimer
```
protected RTimerTree newTimer()
```
  - sub
```
public RTimerTree sub(String desc)
```
    Returns a subtimer given its name. If the subtimer did not exist a new subtimer will be started and returned, otherwise an existing subtimer will be returned as-is.
  - toString
```
public String toString()
```
    Overrides:
    
    toString in class Object
  - asNamedList
```
public NamedList<Object> asNamedList()
```
  - getChildren
```
public SimpleOrderedMap<RTimerTree> getChildren()
```
    Manipulating this map may have undefined results.