PhaseTapChangerHolder (powsybl 4.10.1 API)

All Known Subinterfaces:

ThreeWindingsTransformer.Leg, TwoWindingsTransformer

All Known Implementing Classes:

TwoWindingsTransformerAdapter
```
public interface PhaseTapChangerHolder
```
Author:

Geoffroy Jamgotchian

Method Summary

All Methods Instance Methods Abstract Methods Default Methods
Modifier and Type	Method	Description
`default Optional<PhaseTapChanger>`	`getOptionalPhaseTapChanger()`	Get the optional ratio tap changer.
`PhaseTapChanger`	`getPhaseTapChanger()`	Get the phase tap changer.
`default boolean`	`hasPhaseTapChanger()`	Check if a phase tap changer is present
`PhaseTapChangerAdder`	`newPhaseTapChanger()`	Get a builder to create and associate a phase tap changer to the transformer.

- Method Detail
  - newPhaseTapChanger
```
PhaseTapChangerAdder newPhaseTapChanger()
```
    Get a builder to create and associate a phase tap changer to the transformer.
  - getPhaseTapChanger
```
PhaseTapChanger getPhaseTapChanger()
```
    Get the phase tap changer.
    Could return null if the transfomer is not associated to a phase tap changer.
  - getOptionalPhaseTapChanger
```
default Optional<PhaseTapChanger> getOptionalPhaseTapChanger()
```
    Get the optional ratio tap changer.
  - hasPhaseTapChanger
```
default boolean hasPhaseTapChanger()
```
    Check if a phase tap changer is present