FutureBarrier (Jadex Active Component Platform 4.0.215 API)

java.lang.Object
- jadex.commons.future.FutureBarrier<E>

```
public class FutureBarrier<E>
extends java.lang.Object
```
A future barrier allows for waiting for a variable number of futures. Calling waitFor will wait until all futures are done.

Field Summary

Fields
Modifier and Type Field Description

protected java.util.List<IFuture<E>> futures
The list of futures.

Constructor Summary

Constructors
Constructor Description

FutureBarrier()

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`void`	`addFuture(IFuture<E> fut)`	Add a future to the barrier.
`int`	`getCount()`	Get the number of futures.
`E`	`getResult(int index)`	Get the nth result.
`IFuture<java.lang.Void>`	`waitFor()`	Wait for all added futures being finished.
`IFuture<java.lang.Void>`	`waitForIgnoreFailures(ICommand<java.lang.Exception> failurehandler)`	Wait for all added futures being finished.
`IFuture<java.util.Collection<E>>`	`waitForResults()`	Wait for all added futures being finished and collect the results.
`IFuture<java.util.Collection<E>>`	`waitForResultsIgnoreFailures(ICommand<java.lang.Exception> failurehandler)`	Wait for all added futures being finished and collect the results.

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

- Field Detail
  - futures
```
protected java.util.List<IFuture<E>> futures
```
    The list of futures.
- Constructor Detail
  - FutureBarrier
```
public FutureBarrier()
```
- Method Detail
  - addFuture
```
public void addFuture(IFuture<E> fut)
```
    Add a future to the barrier.
    
    Parameters:
    
    fut - The future.
  - waitFor
```
public IFuture<java.lang.Void> waitFor()
```
    Wait for all added futures being finished.
  - waitForIgnoreFailures
```
public IFuture<java.lang.Void> waitForIgnoreFailures(ICommand<java.lang.Exception> failurehandler)
```
    Wait for all added futures being finished. Ignore failures and call optional failure handler, if any.
  - waitForResults
```
public IFuture<java.util.Collection<E>> waitForResults()
```
    Wait for all added futures being finished and collect the results.
  - waitForResultsIgnoreFailures
```
public IFuture<java.util.Collection<E>> waitForResultsIgnoreFailures(ICommand<java.lang.Exception> failurehandler)
```
    Wait for all added futures being finished and collect the results. Ignore failures and call optional failure handler, if any.
  - getResult
```
public E getResult(int index)
```
    Get the nth result. Must be called after the barrier is due.
    
    Parameters:
    
    index - The index.
  - getCount
```
public int getCount()
```
    Get the number of futures. May be called before the barrier is done.