Instance.Handle (Jakarta EE Platform API)

Type Parameters:

T - the required bean type

All Superinterfaces:

AutoCloseable

Enclosing interface:

Instance<T>
```
public static interface Instance.Handle<T>
extends AutoCloseable
```
This interface represents a contextual reference handle.
Allows to inspect the metadata of the relevant bean before resolving its contextual reference and also to destroy the underlying contextual instance.

Author:

Matej Novotny

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`void`	`close()`	Delegates to `destroy()`.
`void`	`destroy()`	Destroy the contextual instance.
`T`	`get()`	The contextual reference is obtained lazily, i.e.
`Bean<T>`	`getBean()`

- Method Detail
  - get
```
T get()
```
    The contextual reference is obtained lazily, i.e. when first needed.
    
    Returns:
    
    the contextual reference
    
    Throws:
    
    IllegalStateException - If the producing Instance does not exist
    
    IllegalStateException - If invoked on Instance.Handle that previously successfully destroyed its underlying contextual reference
    
    See Also:
    
    Provider.get()
  - getBean
```
Bean<T> getBean()
```
    Returns:
    
    the bean metadata
  - destroy
```
void destroy()
```
    Destroy the contextual instance. It's a no-op if:
    
    called multiple times
    
    if the producing Instance does not exist
    
    if the handle does not hold a contextual reference, i.e. get() was never called
    See Also:
    
    Instance.destroy(Object)
  - close
```
void close()
```
    Delegates to destroy().
    
    Specified by:
    
    close in interface AutoCloseable