PositionDependentRecordAtompublic abstract class PositionDependentRecordAtom extends RecordAtom implements PositionDependentRecord| A special (and dangerous) kind of Record Atom that cares about where
it lives on the disk, or who has other Atoms that care about where
this is on the disk. |
| Fields Summary |
|---|
| protected int | myLastOnDiskOffsetOur location on the disk, as of the last write out |
| Methods Summary |
|---|
| public int | getLastOnDiskOffset()Fetch our location on the disk, as of the last write out return myLastOnDiskOffset;
| | public void | setLastOnDiskOffset(int offset)Update the Record's idea of where on disk it lives, after a write out.
Use with care...
myLastOnDiskOffset = offset;
| | public abstract void | updateOtherRecordReferences(java.util.Hashtable oldToNewReferencesLookup)Offer the record the list of records that have changed their
location as part of the writeout.
Allows records to update their internal pointers to other records
locations
|
|
