FailureHandler (Spring Boot API)

Functional Interface:
This is a functional interface and can therefore be used as the assignment target for a lambda expression or method reference.
```
@FunctionalInterface
public interface FailureHandler
```
Strategy used to handle launch failures.
Since:
1.3.0

- Nested Class Summary
  Nested Classes
  Modifier and Type Interface Description
  static class FailureHandler.Outcome
  Various outcomes for the handler.
- Field Summary
  Fields
  Modifier and Type Field Description
  static FailureHandler NONE
  FailureHandler that always aborts.
- Method Summary
  All Methods Instance Methods Abstract Methods
  Modifier and Type Method Description
  FailureHandler.Outcome handle(Throwable failure)
  Handle a run failure.

- Field Detail
  - NONE
```
static final FailureHandler NONE
```
    FailureHandler that always aborts.
- Method Detail
  - handle
```
FailureHandler.Outcome handle(Throwable failure)
```
    Handle a run failure. Implementations may block, for example to wait until specific files are updated.
    Parameters:
    failure - the exception
    Returns:
    the outcome