/**
* Method declaration
*
* @param compact
* @throws SQLException
*/
void close(boolean compact) throws SQLException {
if (Trace.TRACE) {
Trace.trace();
}
if (bReadOnly) {
return;
}
// no more scripting
closeScript();
// create '.script.new' (for this the cache may be still required)
writeScript(compact);
// flush the cache (important: after writing the script)
if (cCache != null) {
cCache.flush();
}
closeAllTextCaches(compact);
// create '.backup.new' using the '.data'
backup();
// we have the new files
pProperties.setProperty("modified", "yes-new-files");
pProperties.save();
// old files can be removed and new files renamed
renameNewToCurrent(sFileScript);
renameNewToCurrent(sFileBackup);
// now its done completely
pProperties.setProperty("modified", "no");
pProperties.setProperty("version", jdbcDriver.VERSION);
pProperties.setProperty("hsqldb.compatible_version", "1.7.0");
pProperties.save();
pProperties.close();
if (compact) {
// stop the runner thread of this process (just for security)
stop();
// delete the .data so then a new file is created
(new File(sFileCache)).delete();
(new File(sFileBackup)).delete();
// tony_lai@users 20020820
// The database re-open and close has been moved to
// Database#close(int closemode) for saving memory usage.
}
}
/**
* Method declaration
*
* @throws SQLException
*/
void shutdown() throws SQLException {
tRunner = null;
if (cCache != null) {
cCache.closeFile();
cCache = null;
}
shutdownAllTextCaches();
closeScript();
pProperties.close();
}
/**
* Method declaration
*
* @throws SQLException
*/
public void save() throws SQLException {
close();
if (Trace.TRACE) {
Trace.trace();
}
try {
super.save();
// after saving, open the file again
load();
} catch (Exception e) {
throw Trace.error(Trace.FILE_IO_ERROR, fileName + ".properties " + e);
}
}
/**
* check by trying to delete the properties file this will not work if some application has the
* file open this is why the properties file is kept open when running ;-) todo: check if this
* works in all operating systems
*
* @return true if file is open
* @exception java.sql.SQLException
*/
protected boolean isFileOpen() throws java.sql.SQLException {
close();
if (Trace.TRACE) {
Trace.trace();
}
if ((new File(fileName + ".properties")).delete() == false) {
return true;
}
// the file was deleted, so recreate it now
save();
return false;
}
public void load() throws SQLException {
close();
if (Trace.TRACE) {
Trace.trace();
}
try {
File f = new File(fileName + ".properties");
// the file is closed only when the database is closed
propsFileStream = new FileInputStream(f);
stringProps.load(propsFileStream);
} catch (Exception e) {
throw Trace.error(Trace.FILE_IO_ERROR, fileName + ".properties " + e);
}
}