@Override
public void startObject(long oid, int prevSchemaVersion) {
if (posIndex == null) {
if (schemaIndexEntry == null) {
schemaIndexEntry = schemaIndex.getSchema(def);
}
posIndex = schemaIndexEntry.getObjectIndexLatestSchemaVersion();
}
PagedPosIndex prevIndex = schemaIndexEntry.getObjectIndexVersion(prevSchemaVersion);
currentPage = out.getPage();
currentOffs = out.getOffset();
// first remove possible previous position
final LongLongIndex.LLEntry objPos = oidIndex.findOidGetLong(oid);
if (objPos != null) {
long pos = objPos.getValue(); // long with 32=page + 32=offs
// prevPos.getValue() returns > 0, so the loop is performed at least once.
do {
// remove and report to FSM if applicable
// TODO
// In cache, use separate list for evolved objects to be written (Map<PC/OID,
// OriginalClassDef)
// Do not put those objects in dirty-list
// When checking for dirty (external) return whether contained in dirty-list.
// When...???
long nextPos = prevIndex.removePosLongAndCheck(pos);
// all secondary pages are marked.
nextPos |= PagedPosIndex.MARK_SECONDARY;
pos = nextPos;
} while (pos != PagedPosIndex.MARK_SECONDARY);
}
// Update pos index
oidIndex.insertLong(oid, currentPage, (int) currentOffs);
}
@Override
public void notifyOverflowWrite(int newPage) {
// Update pos index
posIndex.addPos(currentPage, currentOffs, newPage);
currentPage = newPage;
currentOffs = PagedPosIndex.MARK_SECONDARY;
}
@Override
public void finishObject() {
posIndex.addPos(currentPage, currentOffs, 0);
}