/**
* Factory method for ResultsPruners (used to load ConfigurationManager properties.
*
* @param props
* @throws FileNotFoundException
*/
public static ResultsPruner getPruner(Context context, Properties props)
throws FileNotFoundException {
ResultsPruner rp = new ResultsPruner(context);
Pattern retentionPattern = Pattern.compile("checker\\.retention\\.(.*)");
for (Enumeration<String> en = (Enumeration<String>) props.propertyNames();
en.hasMoreElements(); ) {
String name = en.nextElement();
Matcher matcher = retentionPattern.matcher(name);
if (!matcher.matches()) {
continue;
}
String resultCode = matcher.group(1);
long duration;
try {
duration = Utils.parseDuration(props.getProperty(name));
} catch (ParseException e) {
throw new IllegalStateException("Problem parsing duration: " + e.getMessage(), e);
}
ChecksumResultCode code = ChecksumResultCode.valueOf(resultCode);
if (code == null) {
throw new IllegalStateException("Checksum result code not found: " + resultCode);
}
if ("default".equals(resultCode)) {
rp.setDefaultDuration(duration);
} else {
rp.addInterested(code, duration);
}
}
return rp;
}
/**
* Prunes the results retaining results as configured by the interests registered with this
* object.
*
* @return number of results removed.
*/
public int prune() throws SQLException {
ChecksumResultCode[] codes = ChecksumResultCode.values();
for (ChecksumResultCode code : codes) {
if (!interests.containsKey(code)) {
interests.put(code, defaultDuration);
}
}
int result = checksumHistoryService.prune(context, interests);
return result;
}
