FtHandler (Helidon Project 2.6.9 API)

All Known Subinterfaces:

Bulkhead, CircuitBreaker, Retry, Timeout
```
public interface FtHandler
```
A fault tolerance handler. The following handlers do NOT implement this interface:
- Async - used to create reactive objects from blocking synchronous calls through an executor service
- Fallback - implements FtHandlerTyped instead.

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`<T> Single<T>`	`invoke(Supplier<? extends CompletionStage<T>> supplier)`	Invoke this fault tolerance handler on a supplier of a `CompletionStage`, such as a `Single`.
`<T> Multi<T>`	`invokeMulti(Supplier<? extends Flow.Publisher<T>> supplier)`	Invoke this fault tolerance handler on a supplier of a `Flow.Publisher`, such as a `Multi`.
`String`	`name()`	A name assigned to a handler for debugging, error reporting or configuration purposes.

- Method Detail
  - name
```
String name()
```
    A name assigned to a handler for debugging, error reporting or configuration purposes.
    
    Returns:
    
    a non-null name for this handler
  - invoke
```
<T> Single<T> invoke(Supplier<? extends CompletionStage<T>> supplier)
```
    Invoke this fault tolerance handler on a supplier of a CompletionStage, such as a Single.
    
    Type Parameters:
    
    T - type of future result
    
    Parameters:
    
    supplier - that provides the initial value for processing; depending on handler type, the supplier may be called multiple times
    
    Returns:
    
    a new single that can be consumed that will carry out the fault tolerance in the background, may have a different error states than the original result obtained from supplier
  - invokeMulti
```
<T> Multi<T> invokeMulti(Supplier<? extends Flow.Publisher<T>> supplier)
```
    Invoke this fault tolerance handler on a supplier of a Flow.Publisher, such as a Multi.
    
    Type Parameters:
    
    T - type of future result
    
    Parameters:
    
    supplier - that provides the initial value for processing; depending on handler type, the supplier may be called multiple times
    
    Returns:
    
    a new multi that can be consumed that will carry out the fault tolerance in the background, may have a different error states than the original result obtained from supplier