コード例 #1
0
 @Override
 public void write(SnapshotRecord... records) throws IOException {
   sender.sendResult(records);
 }
コード例 #2
0
  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);
  }