GroupChangesForMultiplePeersStrategy (Oxygen XML API)

All Superinterfaces:

SaveStrategy

All Known Implementing Classes:

DefaultSaveStrategy
```
@API(type=EXTENDABLE,
     src=PUBLIC)
public interface GroupChangesForMultiplePeersStrategy
extends SaveStrategy
```
Details required when saving a concurrently edited document. Used to write a single snapshot of the document with changes made from the last save, where the snapshot may be capturing changes made by multiple peers. It facilitates a minimum number of writes to the file server per save.

Since:

23.1.1

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`java.net.URLConnection`	`openConnection(java.net.URL documentUrl, PeerContext committer, java.util.List<PeerContext> authors)`	This method will be called whenever a peer within a concurrent editing session triggers either a save or a auto-save.

- Method Detail
  - openConnection
```
java.net.URLConnection openConnection(java.net.URL documentUrl,
                                      PeerContext committer,
                                      java.util.List<PeerContext> authors)
                               throws java.io.IOException
```
    This method will be called whenever a peer within a concurrent editing session triggers either a save or a auto-save. Called a single time for each document, allowing a minimum number of writes to the file server. It facilitates storing a revision for all peers together, writing only once per save to the file server.
    
    Parameters:
    
    documentUrl - The document URL. May be used to directly open a connection to the CMS on behalf of the committer. Note that it has the UserInfo of the committer.
    
    committer - The context of the peer that triggered either a save or a auto-save.
    
    authors - The context of peers whose changes are about to be saved onto the URL connection. Note that committer may or may not be an author.
    
    Returns:
    
    A connection where to write the new revision.
    
    Throws:
    
    java.io.IOException - If fails to open the connect.