BlockCache.Loader (Apache Accumulo Core 2.0.1 API)

Enclosing interface:: BlockCache

public static interface BlockCache.Loader

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`Map<String,BlockCache.Loader>`	`getDependencies()`	The cache blocks that this loader depends on.
`byte[]`	`load(int maxSize, Map<String,byte[]> dependencies)`	Loads a block.

- Method Detail
  - getDependencies
```
Map<String,BlockCache.Loader> getDependencies()
```
    The cache blocks that this loader depends on. If a loader has no dependencies, then it should return an empty map. All dependencies must be loaded before calling load(int, Map).
  - load
```
byte[] load(int maxSize,
            Map<String,byte[]> dependencies)
```
    Loads a block. Anything returned by getDependencies() should be loaded and passed.
    
    Parameters:
    
    maxSize - This is the maximum block size that will be cached.
    
    Returns:
    
    The loaded block or null if loading the block would exceed maxSize.