PojoFsm (OpenCloud Sentinel Annotations)

```
@Documented
@Retention(RUNTIME)
public @interface PojoFsm
```
Annotation for properties related to an FSM used by a pojo feature.

Required Element Summary

Required Elements
Modifier and Type Required Element Description

java.lang.Class<?> fsmClass

java.lang.Class<?> fsmCodecClass

java.lang.String specification

Optional Element Summary

Optional Elements
Modifier and Type	Optional Element	Description
`boolean`	`sessionLifetime`	Should the state of this FSM, as used by the pojo feature, exist for the lifetime of the session.
`boolean`	`stateless`	if true, the encoded state of the FSM will never be registered, avoiding save and load overhead

- Element Detail
  - specification
```
java.lang.String specification
```
- - fsmClass
```
java.lang.Class<?> fsmClass
```
- - fsmCodecClass
```
java.lang.Class<?> fsmCodecClass
```
- - sessionLifetime
```
boolean sessionLifetime
```
    Should the state of this FSM, as used by the pojo feature, exist for the lifetime of the session. Multiple instances of such a pojo feature will, therefore, see the same FSM instance during the session.
    
    Returns:
    
    true, if the FSM should exist from the point the FSM is created until the session ends. false, if the FSM will exist from the point the FSM is created until the next FSM instance is created.
    
    Default:
    
    true
- - stateless
```
boolean stateless
```
    if true, the encoded state of the FSM will never be registered, avoiding save and load overhead
    
    Returns:
    
    true, if there is no persistent data required for the FSM false, if FSM data should be stored between transactions
    
    Default:
    
    false