@Override
public void write(SnapshotRecord... records) throws IOException {
sender.sendResult(records);
}
public void execute(FunctionContext functionContext) {
logger.debug("Starting expiration");
long destroyedEntriesCount = 0;
ResultSender<Serializable> resultSender = functionContext.getResultSender();
try {
if (functionContext instanceof RegionFunctionContext) {
RegionFunctionContext context = (RegionFunctionContext) functionContext;
Serializable arguments = context.getArguments();
if (arguments instanceof ExpirationFunctionArguments) {
ExpirationFunctionArguments expirationFunctionArguments =
(ExpirationFunctionArguments) arguments;
long packetDelay = expirationFunctionArguments.getPacketDelay();
long packetSize = expirationFunctionArguments.getPacketSize();
logger.debug(
"Expiration configured with packetSize = "
+ packetSize
+ ", packetDelay = "
+ packetDelay);
Region<Object, Object> region = PartitionRegionHelper.getLocalDataForContext(context);
Set<Entry<Object, Object>> entrySet = region.entrySet();
int numberOfEntries = entrySet.size();
logger.debug("There are " + numberOfEntries + " entries to check");
logger.debug("Starting the check");
long packetCounter = 1;
for (Entry<Object, Object> entry : entrySet) {
if ((packetDelay > 0) && ((packetCounter % packetSize) == 0)) {
logger.debug("Checking the " + packetCounter + " of " + numberOfEntries + " entry.");
Thread.sleep(packetDelay);
}
if (entry instanceof Region.Entry) {
Region.Entry<Object, Object> regionEntry = (Region.Entry<Object, Object>) entry;
if ((policy != null) && policy.isExpired(regionEntry)) {
Object key = entry.getKey();
logger.trace("Destroing the entry with key " + key);
region.destroy(key);
destroyedEntriesCount++;
}
}
packetCounter++;
}
logger.debug(
"The check is finished. " + destroyedEntriesCount + " entries have been destroyed.");
} else {
throw new IllegalArgumentException(
"The specified arguments are of type \""
+ arguments.getClass().getName()
+ "\". Should be of type \""
+ ExpirationFunctionArguments.class.getName()
+ "\"");
}
}
} catch (Throwable t) {
logger.error("Throwable during the expiration processing", t);
resultSender.sendException(t);
}
resultSender.lastResult(destroyedEntriesCount);
}