Ejemplo n.º 1
0
  protected Object performRemove(CacheEntry e, InvocationContext ctx) {
    final Object removedValue = e.getValue();
    notify(ctx, removedValue, e.getMetadata(), true);

    e.setRemoved(true);
    e.setValid(false);
    e.setChanged(true);

    if (valueMatcher != ValueMatcher.MATCH_EXPECTED_OR_NEW) {
      return isConditional() ? true : removedValue;
    } else {
      // Return the expected value when retrying
      return isConditional() ? true : value;
    }
  }
    protected void notifyCommitEntry(
        boolean created,
        boolean removed,
        boolean expired,
        CacheEntry entry,
        InvocationContext ctx,
        FlagAffectedCommand command,
        Object previousValue,
        Metadata previousMetadata) {
      boolean isWriteOnly =
          (command instanceof WriteCommand) && ((WriteCommand) command).isWriteOnly();
      if (removed) {
        if (command instanceof RemoveCommand) {
          ((RemoveCommand) command).notify(ctx, previousValue, previousMetadata, false);
        } else {
          if (expired) {
            notifier.notifyCacheEntryExpired(entry.getKey(), previousValue, previousMetadata, ctx);
          } else {
            notifier.notifyCacheEntryRemoved(
                entry.getKey(), previousValue, previousMetadata, false, ctx, command);
          }

          // A write-only command only writes and so can't 100% guarantee
          // to be able to retrieve previous value when removed, so only
          // send remove event when the command is read-write.
          if (!isWriteOnly)
            functionalNotifier.notifyOnRemove(
                EntryViews.readOnly(entry.getKey(), previousValue, previousMetadata));

          functionalNotifier.notifyOnWrite(() -> EntryViews.noValue(entry.getKey()));
        }
      } else {
        // Notify entry event after container has been updated
        if (created) {
          notifier.notifyCacheEntryCreated(
              entry.getKey(), entry.getValue(), entry.getMetadata(), false, ctx, command);

          // A write-only command only writes and so can't 100% guarantee
          // that an entry has been created, so only send create event
          // when the command is read-write.
          if (!isWriteOnly) functionalNotifier.notifyOnCreate(EntryViews.readOnly(entry));

          functionalNotifier.notifyOnWrite(() -> EntryViews.readOnly(entry));
        } else {
          notifier.notifyCacheEntryModified(
              entry.getKey(),
              entry.getValue(),
              entry.getMetadata(),
              previousValue,
              previousMetadata,
              false,
              ctx,
              command);

          // A write-only command only writes and so can't 100% guarantee
          // that an entry has been created, so only send modify when the
          // command is read-write.
          if (!isWriteOnly)
            functionalNotifier.notifyOnModify(
                EntryViews.readOnly(entry.getKey(), previousValue, previousMetadata),
                EntryViews.readOnly(entry));

          functionalNotifier.notifyOnWrite(() -> EntryViews.readOnly(entry));
        }
      }
    }