org.xmlBlaster.engine.msgstore
Interface I_ChangeCallback

All Known Implementing Classes:

MsgUnitWrapper

public interface I_ChangeCallback

Method Summary

I_MapEntry

changeEntry(I_MapEntry entry) Callback invoked by I_Map.change inside the synchronization point.

Method Detail

changeEntry

I_MapEntry changeEntry(I_MapEntry entry)
                       throws XmlBlasterException

Callback invoked by I_Map.change inside the synchronization point.

Parameters:

entry - the entry to modify.

Returns:

I_MapEntry the modified entry, if null we return immediately (returning the given entry)

Throws:

XmlBlasterException - if something has gone wrong and the change must be rolled back.