IDMapping SourceCode GPL - https://github.com/iboxdb/db4o-gpl

All Known Subinterfaces:

DefragmentServices

All Known Implementing Classes:

DefragmentServicesImpl
```
public interface IDMapping
```
A mapping from db4o file source IDs/addresses to target IDs/addresses, used for defragmenting.

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`void`	`mapIDs(int oldID, int newID, boolean isClassID)`
`int`	`strictMappedID(int oldID)`

- Method Detail
  - strictMappedID
```
int strictMappedID(int oldID)
            throws MappingNotFoundException
```
    Returns:
    
    a mapping for the given id. if it does refer to a system handler or the empty reference (0), returns the given id.
    
    Throws:
    
    MappingNotFoundException - if the given id does not refer to a system handler or the empty reference (0) and if no mapping is found
  - mapIDs
```
void mapIDs(int oldID,
            int newID,
            boolean isClassID)
```