RatioTapChangerHolder (powsybl 4.1.0 API)

All Known Subinterfaces:

ThreeWindingsTransformer.Leg, TwoWindingsTransformer

All Known Implementing Classes:

TwoWindingsTransformerAdapter
```
public interface RatioTapChangerHolder
```
Author:

Geoffroy Jamgotchian

Method Summary

All Methods Instance Methods Abstract Methods Default Methods
Modifier and Type	Method	Description
`default Optional<RatioTapChanger>`	`getOptionalRatioTapChanger()`	Get the optional ratio tap changer.
`RatioTapChanger`	`getRatioTapChanger()`	Get the ratio tap changer.
`default boolean`	`hasRatioTapChanger()`	Check if a phase tap changer is present
`RatioTapChangerAdder`	`newRatioTapChanger()`	Get a builder to create and associate a ratio tap changer to the transformer.

- Method Detail
  - newRatioTapChanger
```
RatioTapChangerAdder newRatioTapChanger()
```
    Get a builder to create and associate a ratio tap changer to the transformer.
  - getRatioTapChanger
```
RatioTapChanger getRatioTapChanger()
```
    Get the ratio tap changer.
    Could return null if the leg is not associated to a ratio tap changer.
  - getOptionalRatioTapChanger
```
default Optional<RatioTapChanger> getOptionalRatioTapChanger()
```
    Get the optional ratio tap changer.
  - hasRatioTapChanger
```
default boolean hasRatioTapChanger()
```
    Check if a phase tap changer is present