/**
* This method checks to see if it is time to run the garbage collection thread based on the
* settings in the gateway.properties file. If it is, then it spins off a thread to do garbage
* collection of the aggregator tables.
*/
public static void runGarbageCollection() {
// see if we need to run the collector...
// ----------------------------------------
if (bRunCollector()) {
String sStaleDuration = "";
int iStaleDuration = 0;
try {
sStaleDuration =
PropertyAccessor.getProperty(GATEWAY_PROPERTY_FILE, GARBAGE_COLLECT_STALE_DURATION);
iStaleDuration = Integer.parseInt(sStaleDuration);
} catch (Exception e) {
String sErrorMessage =
"Failed to read and parse property: "
+ GARBAGE_COLLECT_STALE_DURATION
+ " from PropertyFile: "
+ GATEWAY_PROPERTY_FILE
+ ".propertues. No "
+ "garbage collection will be done on the aggregator tables.";
log.error(sErrorMessage);
return;
}
if ((sStaleDuration == null) || (sStaleDuration.length() <= 0)) {
String sErrorMessage =
"Failed to read and parse property: "
+ GARBAGE_COLLECT_STALE_DURATION
+ " from PropertyFile: "
+ GATEWAY_PROPERTY_FILE
+ ".propertues. No "
+ "garbage collection will be done on the aggregator tables.";
log.error(sErrorMessage);
return;
}
Calendar oCal = Calendar.getInstance();
oCal.add(Calendar.SECOND, (-1) * iStaleDuration);
log.debug("Running aggregator garbage collection thread now.");
GarbageCollectorThread oCollectorThread = new GarbageCollectorThread(oCal.getTime());
oCollectorThread.run();
dtLastRun = new Date();
}
}
/**
* This method checks to see if we should run the collector based on the time settings in the
* gateway.properties file. If we should run it, then true is returnd. Otherwise false is
* returned.
*
* @return TRUE if we should run the garbage collector.
*/
private static boolean bRunCollector() {
String sTimeDuration = "";
int iTimeDuration = 0;
try {
sTimeDuration =
PropertyAccessor.getProperty(GATEWAY_PROPERTY_FILE, GARBAGE_COLLECT_TIME_DURATION);
iTimeDuration = Integer.parseInt(sTimeDuration);
} catch (Exception e) {
String sErrorMessage =
"Failed to read and parse property: "
+ GARBAGE_COLLECT_TIME_DURATION
+ " from PropertyFile: "
+ GATEWAY_PROPERTY_FILE
+ ".propertues. No "
+ "garbage collection will be done on the aggregator tables.";
log.error(sErrorMessage);
return false;
}
if ((sTimeDuration == null) || (sTimeDuration.length() <= 0)) {
String sErrorMessage =
"Failed to read and parse property: "
+ GARBAGE_COLLECT_TIME_DURATION
+ " from PropertyFile: "
+ GATEWAY_PROPERTY_FILE
+ ".propertues. No "
+ "garbage collection will be done on the aggregator tables.";
log.error(sErrorMessage);
return false;
}
Calendar oCal = Calendar.getInstance();
oCal.add(Calendar.SECOND, (-1) * iTimeDuration);
if (oCal.getTime().getTime() > dtLastRun.getTime()) {
return true;
}
return false;
}