CountDownCompleter (ONOS Java API (2.5.0))

java.lang.Object
- org.onlab.util.CountDownCompleter<T>

Type Parameters:

T - object type
```
public final class CountDownCompleter<T>
extends Object
```
A synchronization utility that defers invocation of a consumer callback until a set number of actions tracked by a long counter complete.
Each completion is recorded by invoking the countDown method. When the total number of completions is equal to the preset counter value, this instance is marked as completed and the callback invoked by supplying the object held by this instance.

Constructor Summary

Constructors
Constructor Description

CountDownCompleter(T object, long count, Consumer<T> onCompleteCallback)
Constructor.

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`void`	`countDown()`	Records a single completion.
`boolean`	`isComplete()`	Returns if this instance has completed.
`T`	`object()`	Returns the object.

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

- Constructor Detail
  - CountDownCompleter
```
public CountDownCompleter(T object,
                          long count,
                          Consumer<T> onCompleteCallback)
```
    Constructor.
    
    Parameters:
    
    object - object
    
    count - total number of times countDown must be invoked for this completer to complete
    
    onCompleteCallback - callback to invoke when completer is completed
- Method Detail
  - object
```
public T object()
```
    Returns the object.
    
    Returns:
    
    object
  - countDown
```
public void countDown()
```
    Records a single completion.
    If this instance has already completed, this method has no effect
  - isComplete
```
public boolean isComplete()
```
    Returns if this instance has completed.
    
    Returns:
    
    true if completed