/** Returns the record number for the last record read. */
int getCurrentRecordNumber() throws DatabaseException {
if (view.btreeRecNumDb) {
/* BTREE-RECNO access. */
if (otherThang == null) {
otherThang = new DatabaseEntry();
}
DbCompat.getCurrentRecordNumber(cursor.getCursor(), otherThang, getLockMode(false));
return DbCompat.getRecordNumber(otherThang);
} else {
/* QUEUE or RECNO database. */
return DbCompat.getRecordNumber(keyThang);
}
}
/** Returns the record number at the given slot position. */
private int getRecordNumber(int i) {
if (coll.view.btreeRecNumDb) {
DataCursor cursor = null;
try {
cursor = new DataCursor(coll.view, false);
if (moveCursor(i, cursor)) {
return cursor.getCurrentRecordNumber();
} else {
throw new IllegalStateException();
}
} catch (DatabaseException e) {
throw StoredContainer.convertException(e);
} finally {
closeCursor(cursor);
}
} else {
DatabaseEntry entry = new DatabaseEntry(keys[i]);
return DbCompat.getRecordNumber(entry);
}
}
/** Increments the record number key at the given slot. */
private void bumpRecordNumber(int i) {
DatabaseEntry entry = new DatabaseEntry(keys[i]);
DbCompat.setRecordNumber(entry, DbCompat.getRecordNumber(entry) + 1);
keys[i] = entry.getData();
}
/**
* Utility method for use by bindings to translate a entry buffer to an record number integer.
*
* @param entry the entry buffer.
* @return the record number.
*/
public static long entryToRecordNumber(DatabaseEntry entry) {
return DbCompat.getRecordNumber(entry) & 0xFFFFFFFFL;
}
