Guard (Ibis AdapterFramework core 8.0-20231205.224353 API)

java.lang.Object
- nl.nn.adapterframework.util.Guard

```
public class Guard
extends Object
```
A Guard is the counterpart of the Semaphore that waits till all resources have been released.

Since:

4.9

Author:

Gerrit van Brakel

Constructor Summary

Constructors
Constructor Description

Guard()

Guard(int numberOfResourcesToWaitFor)

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`void`	`addResource()`
`boolean`	`isReleased()`
`void`	`releaseResource()`	decrements internal counter, possibly awakening the thread waiting for release wait()ing in acquire()
`void`	`waitForAllResources()`	Wait for the counter to get zero.
`void`	`waitForAllResources(long timeout)`	Wait for the counter to get zero.

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Constructor Detail
  - Guard
```
public Guard()
```
  - Guard
```
public Guard(int numberOfResourcesToWaitFor)
```
- Method Detail
  - waitForAllResources
```
public void waitForAllResources()
                         throws InterruptedException
```
    Wait for the counter to get zero.
    
    Throws:
    
    InterruptedException - passed from this.wait().
  - waitForAllResources
```
public void waitForAllResources(long timeout)
                         throws InterruptedException,
                                TimeoutException
```
    Wait for the counter to get zero.
    
    Throws:
    
    InterruptedException - passed from this.wait().
    
    TimeoutException - if the time specified has passed, but the counter did not reach zero.
  - addResource
```
public void addResource()
```
  - releaseResource
```
public void releaseResource()
```
    decrements internal counter, possibly awakening the thread waiting for release wait()ing in acquire()
  - isReleased
```
public boolean isReleased()
```