/** Closes the source file and deletes it if it is not read-only. */
void purge() throws HsqlException {
if (rFile == null) {
return;
}
try {
if (readOnly) {
close();
} else {
rFile.close();
rFile = null;
FileUtil.delete(sName);
}
} catch (Exception e) {
throw Trace.error(
Trace.FILE_IO_ERROR, Trace.TextCache_purging_file_error, new Object[] {sName, e});
}
}
/**
* Writes newly created rows to disk. In the current implentation, such rows have already been
* saved, so this method just removes a source file that has no rows.
*/
void close() throws HsqlException {
if (rFile == null) {
return;
}
try {
saveAll();
boolean empty = (rFile.length() <= NL.length());
rFile.close();
rFile = null;
if (empty && !readOnly) {
FileUtil.delete(sName);
}
} catch (Exception e) {
throw Trace.error(
Trace.FILE_IO_ERROR, Trace.TextCache_closing_file_error, new Object[] {sName, e});
}
}
