StagingArea

```
public class StagingArea

                    
```
This is class encapsulates Map that maps ImageCacheKeys to EncodedImages pointing to PooledByteBuffers. It is used by SimpleImageCache to store values that are being written to disk cache, so that they can be returned by parallel cache get operations.

Method Summary

Modifier and Type	Method	Description
`static StagingArea`	`getInstance()`
`synchronized void`	`put(CacheKey key, EncodedImage encodedImage)`	Stores key-value in this StagingArea.
`void`	`clearAll()`	Removes all items from the StagingArea.
`boolean`	`remove(CacheKey key)`	Removes item from the StagingArea.
`synchronized boolean`	`remove(CacheKey key, EncodedImage encodedImage)`	Removes key-value from the StagingArea.
`synchronized EncodedImage`	`get(CacheKey key)`
`synchronized boolean`	`containsKey(CacheKey key)`	Determine if an valid entry for the key exists in the staging area.

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

- Method Detail
  - getInstance
```
 static StagingArea getInstance()
```
  - put
```
 synchronized void put(CacheKey key, EncodedImage encodedImage)
```
    Stores key-value in this StagingArea. This call overrides previous value of stored reference if
    
    Parameters:
    
    encodedImage - EncodedImage to be associated with key
  - clearAll
```
 void clearAll()
```
    Removes all items from the StagingArea.
  - remove
```
 boolean remove(CacheKey key)
```
    Removes item from the StagingArea.
  - remove
```
 synchronized boolean remove(CacheKey key, EncodedImage encodedImage)
```
    Removes key-value from the StagingArea. Both key and value must match.
    
    Parameters:
    
    encodedImage - value corresponding to key
  - get
```
@Nullable() synchronized EncodedImage get(CacheKey key)
```
  - containsKey
```
 synchronized boolean containsKey(CacheKey key)
```
    Determine if an valid entry for the key exists in the staging area.