QOSFCFSQueue (venice API)

java.lang.Object
- com.linkedin.alpini.base.queuing.QOSFCFSQueue<T>

Type Parameters:

T -

All Implemented Interfaces:

SimpleQueue<T>
```
public class QOSFCFSQueue<T extends QOSBasedRequestRunnable>
extends java.lang.Object
implements SimpleQueue<T>
```
Simple wrapper over a ConcurrentLinkedQueue to expose FCFS Queue operations.

- Constructor Summary
  
  Constructors
  Constructor Description
  
  QOSFCFSQueue()
- Method Summary
  
  All Methods Instance Methods Concrete Methods
  Modifier and Type Method Description
  
  boolean add(T e)
  
  boolean isEmpty()
  Checks if queue is empty.
  
  T poll()
  
  int size()
  - Methods inherited from class java.lang.Object
    clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Constructor Detail
  - QOSFCFSQueue
```
public QOSFCFSQueue()
```
- Method Detail
  - add
```
public boolean add(@Nonnull
                   T e)
```
    Specified by:
    
    add in interface SimpleQueue<T extends QOSBasedRequestRunnable>
    
    See Also:
    
    Queue.add(Object)
  - poll
```
public T poll()
```
    Specified by:
    
    poll in interface SimpleQueue<T extends QOSBasedRequestRunnable>
    
    See Also:
    
    Queue.poll()
  - size
```
public int size()
```
    Specified by:
    
    size in interface SimpleQueue<T extends QOSBasedRequestRunnable>
    
    See Also:
    
    Collection.size()
  - isEmpty
```
public boolean isEmpty()
```
    Description copied from interface: SimpleQueue
    
    Checks if queue is empty.
    
    Specified by:
    
    isEmpty in interface SimpleQueue<T extends QOSBasedRequestRunnable>
    
    Returns:
    
    true if Queue contains no elements, false otherwise.