コード例 #1
0
  public PartitionAttributesInfo(PartitionAttributes<?, ?> partitionAttributes) {
    this.totalNumBuckets = partitionAttributes.getTotalNumBuckets();
    this.localMaxMemory = partitionAttributes.getLocalMaxMemory();
    this.redundantCopies = partitionAttributes.getRedundantCopies();
    this.colocatedWith = partitionAttributes.getColocatedWith();
    this.recoveryDelay = partitionAttributes.getRecoveryDelay();
    this.startupRecoveryDelay = partitionAttributes.getStartupRecoveryDelay();
    PartitionResolver<?, ?> partitionResolver = partitionAttributes.getPartitionResolver();

    if (partitionResolver != null) {
      partitionResolverName = partitionResolver.getName();
    }

    List<FixedPartitionAttributes> fpaList = partitionAttributes.getFixedPartitionAttributes();

    if (fpaList != null) {
      Iterator<FixedPartitionAttributes> iters = fpaList.iterator();
      fpaInfoList = new ArrayList<FixedPartitionAttributesInfo>();

      while (iters.hasNext()) {
        FixedPartitionAttributes fpa = (FixedPartitionAttributes) iters.next();
        FixedPartitionAttributesInfo fpaInfo = new FixedPartitionAttributesInfo(fpa);
        fpaInfoList.add(fpaInfo);
      }
    }

    nonDefaultAttributes = new HashMap<String, String>();
    if (this.totalNumBuckets != RegionAttributesDefault.TOTAL_NUM_BUCKETS) {
      nonDefaultAttributes.put(
          RegionAttributesNames.TOTAL_NUM_BUCKETS, Integer.toString(this.totalNumBuckets));
    }

    if (this.localMaxMemory
        != ((PartitionAttributesImpl) partitionAttributes).getLocalMaxMemoryDefault()) {
      nonDefaultAttributes.put(
          RegionAttributesNames.LOCAL_MAX_MEMORY, Integer.toString(this.localMaxMemory));
    }

    if (this.redundantCopies != RegionAttributesDefault.REDUNDANT_COPIES) {
      nonDefaultAttributes.put(
          RegionAttributesNames.REDUNDANT_COPIES, Integer.toString(this.redundantCopies));
    }

    if (this.colocatedWith != null
        && !this.colocatedWith.equals(RegionAttributesDefault.COLOCATED_WITH)) {
      nonDefaultAttributes.put(RegionAttributesNames.COLOCATED_WITH, this.colocatedWith);
    }

    if (this.recoveryDelay != RegionAttributesDefault.RECOVERY_DELAY) {
      nonDefaultAttributes.put(
          RegionAttributesNames.RECOVERY_DELAY, Long.toString(this.recoveryDelay));
    }

    if (this.startupRecoveryDelay != RegionAttributesDefault.STARTUP_RECOVERY_DELAY) {
      nonDefaultAttributes.put(
          RegionAttributesNames.STARTUP_RECOVERY_DELAY, Long.toString(this.startupRecoveryDelay));
    }

    if (this.partitionResolverName != null
        && !this.partitionResolverName.equals(RegionAttributesDefault.PARTITION_RESOLVER)) {
      nonDefaultAttributes.put(
          RegionAttributesNames.PARTITION_RESOLVER, this.partitionResolverName);
    }
  }
  @SuppressWarnings("unchecked")
  @Override
  public void cmdExecute(Message msg, ServerConnection servConn, long start)
      throws IOException, ClassNotFoundException, InterruptedException {
    String regionFullPath = null;
    CachedRegionHelper crHelper = servConn.getCachedRegionHelper();
    regionFullPath = msg.getPart(0).getString();
    String errMessage = "";
    if (regionFullPath == null) {
      logger.warn(
          LocalizedMessage.create(
              LocalizedStrings.GetClientPartitionAttributes_THE_INPUT_REGION_PATH_IS_NULL));
      errMessage =
          LocalizedStrings.GetClientPartitionAttributes_THE_INPUT_REGION_PATH_IS_NULL
              .toLocalizedString();
      writeErrorResponse(
          msg, MessageType.GET_CLIENT_PARTITION_ATTRIBUTES_ERROR, errMessage.toString(), servConn);
      servConn.setAsTrue(RESPONDED);
    } else {
      Region region = crHelper.getRegion(regionFullPath);
      if (region == null) {
        logger.warn(
            LocalizedMessage.create(
                LocalizedStrings
                    .GetClientPartitionAttributes_REGION_NOT_FOUND_FOR_SPECIFIED_REGION_PATH,
                regionFullPath));
        errMessage =
            LocalizedStrings.GetClientPartitionAttributes_REGION_NOT_FOUND.toLocalizedString()
                + regionFullPath;
        writeErrorResponse(
            msg,
            MessageType.GET_CLIENT_PARTITION_ATTRIBUTES_ERROR,
            errMessage.toString(),
            servConn);
        servConn.setAsTrue(RESPONDED);
      } else {
        try {
          Message responseMsg = servConn.getResponseMessage();
          responseMsg.setTransactionId(msg.getTransactionId());
          responseMsg.setMessageType(MessageType.RESPONSE_CLIENT_PARTITION_ATTRIBUTES);

          PartitionedRegion prRgion = (PartitionedRegion) region;

          PartitionResolver partitionResolver = prRgion.getPartitionResolver();
          int numParts = 2; // MINUMUM PARTS
          if (partitionResolver != null) {
            numParts++;
          }
          responseMsg.setNumberOfParts(numParts);
          // PART 1
          responseMsg.addObjPart(prRgion.getTotalNumberOfBuckets());

          // PART 2
          if (partitionResolver != null) {
            responseMsg.addObjPart(partitionResolver.getClass().toString().substring(6));
          }

          // PART 3
          String leaderRegionPath = null;
          PartitionedRegion leaderRegion = null;
          String leaderRegionName = prRgion.getColocatedWith();
          if (leaderRegionName != null) {
            Cache cache = prRgion.getCache();
            while (leaderRegionName != null) {
              leaderRegion = (PartitionedRegion) cache.getRegion(leaderRegionName);
              if (leaderRegion.getColocatedWith() == null) {
                leaderRegionPath = leaderRegion.getFullPath();
                break;
              } else {
                leaderRegionName = leaderRegion.getColocatedWith();
              }
            }
          }
          responseMsg.addObjPart(leaderRegionPath);
          responseMsg.send();
          msg.flush();
        } catch (Exception e) {
          writeException(msg, e, false, servConn);
        } finally {
          servConn.setAsTrue(Command.RESPONDED);
        }
      }
    }
  }