EntityEntryExtraState (hibernate-jdk11 5.4.12.Final API)

所有已知实现类:

EntityEntryExtraStateHolder
```
public interface EntityEntryExtraState
```
Navigation methods for extra state objects attached to EntityEntry.

作者:

Emmanuel Bernard

方法概要

所有方法实例方法抽象方法
修饰符和类型	方法	说明
`void`	`addExtraState(EntityEntryExtraState extraState)`	Attach additional state to the core state of `EntityEntry`
`<T extends EntityEntryExtraState> T`	`getExtraState(Class<T> extraStateType)`	Retrieve additional state by class type or null if no extra state of that type is present.

- 方法详细资料
  - addExtraState
```
void addExtraState(EntityEntryExtraState extraState)
```
    Attach additional state to the core state of EntityEntry
    Implementations must delegate to the next state or add it as next state if last in line.
  - getExtraState
```
<T extends EntityEntryExtraState> T getExtraState(Class<T> extraStateType)
```
    Retrieve additional state by class type or null if no extra state of that type is present.
    Implementations must return self if they match or delegate discovery to the next state in line.