Guard

All Superinterfaces:

java.lang.AutoCloseable

All Known Implementing Classes:

BiGuard, CloseableOnceGuard, MultiGuard

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 Guard
extends java.lang.AutoCloseable
```

Field Summary

Fields
Modifier and Type Field Description

static Guard EMPTY_GUARD

Method Summary

All Methods Static Methods Instance Methods Abstract Methods Default Methods
Modifier and Type	Method	Description
`void`	`close()`	Releases this guard.
`default Guard`	`closeableOnce()`
`static Guard`	`closeableOnce(Guard guard)`
`static Guard`	`multi(Guard... guards)`	Returns a guard that is a composition of multiple guards.

- Field Detail
  - EMPTY_GUARD
```
static final Guard EMPTY_GUARD
```
- Method Detail
  - close
```
void close()
```
    Releases this guard. Does not throw.
    
    Specified by:
    
    close in interface java.lang.AutoCloseable
  - closeableOnce
```
default Guard closeableOnce()
```
  - closeableOnce
```
static Guard closeableOnce(Guard guard)
```
  - multi
```
static Guard multi(Guard... guards)
```
    Returns a guard that is a composition of multiple guards. Its close() method closes the guards in reverse order.
    
    Parameters:
    
    guards - guards that should be released (in reverse order) when the returned guards is released.