SynchronizedQueue (eXo PLF:: Kernel :: Component :: Cache Service 6.2.2 API)

java.lang.Object
- org.exoplatform.services.cache.concurrent.SynchronizedQueue<I>

All Implemented Interfaces:: Queue<I>

public class SynchronizedQueue<I extends Item>
extends Object
implements Queue<I>

Version:: $Revision$
Author:: Julien Viet

Constructor Summary

Constructors
Constructor Description

SynchronizedQueue(org.exoplatform.services.log.Log log)

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`void`	`add(I item)`	Add the item to the head of the list.
`void`	`assertConsistency()`
`boolean`	`remove(I item)`	Attempt to remove an item from the queue.
`int`	`size()`	Returns the queue size
`ArrayList<I>`	`trim(int size)`	Attempt to trim the queue.

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

- Constructor Detail
  - SynchronizedQueue
```
public SynchronizedQueue(org.exoplatform.services.log.Log log)
```
- Method Detail
  - size
```
public int size()
```
    Description copied from interface: Queue
    
    Returns the queue size
    
    Specified by:
    
    size in interface Queue<I extends Item>
    
    Returns:
    
    the size
  - assertConsistency
```
public void assertConsistency()
```
  - remove
```
public boolean remove(I item)
```
    Attempt to remove an item from the queue.
    
    Specified by:
    
    remove in interface Queue<I extends Item>
    
    Parameters:
    
    item - the item to remove
    
    Returns:
    
    true if the item was removed by this thread
  - add
```
public void add(I item)
```
    Add the item to the head of the list.
    
    Specified by:
    
    add in interface Queue<I extends Item>
    
    Parameters:
    
    item - the item to add
  - trim
```
public ArrayList<I> trim(int size)
```
    Attempt to trim the queue. Trim will occur if no other thread is already performing a trim and the queue size is greater than the provided size.
    
    Specified by:
    
    trim in interface Queue<I extends Item>
    
    Parameters:
    
    size - the wanted size
    
    Returns:
    
    the list of evicted items