ObjectUnderFileSystem.ObjectListingChunk (Alluxio Core - Common Utilities 300 API)

Enclosing class:: ObjectUnderFileSystem

public static interface ObjectUnderFileSystem.ObjectListingChunk

A chunk of listing results.

Method Summary

All Methods Instance Methods Abstract Methods Default Methods
Modifier and Type	Method	Description
`java.lang.String[]`	`getCommonPrefixes()`	Use common prefixes to infer pseudo-directories in object store.
`ObjectUnderFileSystem.ObjectListingChunk`	`getNextChunk()`	Gets next chunk of object listings.
`ObjectUnderFileSystem.ObjectStatus[]`	`getObjectStatuses()`	Returns objects in a pseudo-directory which may be a file or a directory.
`default java.lang.Boolean`	`hasNextChunk()`	Gets if there is more chunks to fetch WITHOUT actually fetching the next chunk.

- Method Detail
  - getObjectStatuses
```
ObjectUnderFileSystem.ObjectStatus[] getObjectStatuses()
```
    Returns objects in a pseudo-directory which may be a file or a directory.
    
    Returns:
    
    a list of object statuses
  - getCommonPrefixes
```
java.lang.String[] getCommonPrefixes()
```
    Use common prefixes to infer pseudo-directories in object store.
    
    Returns:
    
    a list of common prefixes
  - getNextChunk
```
@Nullable
ObjectUnderFileSystem.ObjectListingChunk getNextChunk()
                                               throws java.io.IOException
```
    Gets next chunk of object listings.
    
    Returns:
    
    null if listing did not find anything or is done, otherwise return new ObjectUnderFileSystem.ObjectListingChunk for the next chunk
    
    Throws:
    
    java.io.IOException
  - hasNextChunk
```
@Nullable
default java.lang.Boolean hasNextChunk()
```
    Gets if there is more chunks to fetch WITHOUT actually fetching the next chunk.
    
    Returns:
    
    true if there is, no if there isn't, NULL if it cannot tell