int computeMemoryDelta(int oldSize, int newSize) {
      switch (this) {
        case CREATE:
          return newSize;
        case DESTROY:
          return -oldSize;
        case UPDATE:
          return newSize - oldSize;
        case EVICT:
          return -oldSize;
        case FAULT_IN:
          return newSize;
        default:
          throw new AssertionError("unhandled sizeOp: " + this);
      }
    }
return the set of recipients for adjunct operations
geode-core/src/main/java/org/apache/geode/internal/cache/BucketRegion.java