DocumentRevisionProvider (XWiki Platform - Old Core 14.4 API)

```
@Role
public interface DocumentRevisionProvider
```
Provide generic way of requesting a specific revision of a document from several sources (database, installed XAR extension, etc.).
The revision syntax is <provider hint>:<revision>, default provide being database (the version of the document in the history).

Since:

9.4RC1

Version:

$Id: 77d57cd41337e7cbe5d0de2985ef11404d92373e $

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`XWikiDocument`	`getRevision(XWikiDocument document, String revision)`	Load the document in the provided revision.
`XWikiDocument`	`getRevision(DocumentReference reference, String revision)`	Load the document in the provided revision.

- Method Detail
  - getRevision
```
XWikiDocument getRevision(DocumentReference reference,
                          String revision)
                   throws XWikiException
```
    Load the document in the provided revision.
    
    Parameters:
    
    reference - the reference of the document
    
    revision - the revision of the document
    
    Returns:
    
    the XWikiDocument instance or null if none existing
    
    Throws:
    
    XWikiException - when failing to load the document revision
  - getRevision
```
XWikiDocument getRevision(XWikiDocument document,
                          String revision)
                   throws XWikiException
```
    Load the document in the provided revision.
    
    Parameters:
    
    document - the current document
    
    revision - the revision of the document
    
    Returns:
    
    the XWikiDocument instance or null if none existing
    
    Throws:
    
    XWikiException - when failing to load the document revision