code: public final boolean isSpilling()
      {
          boolean spilling = false;
          // defect 208011 - all streams except STORE_NEVER can spill, not just store
          if (AbstractItem.STORE_NEVER != getTuple().getStorageStrategy())
          {
              // Defect 463642
              // Revert to using spill limits previously removed in SIB0112d.ms.2
              spilling = getListStatistics().isSpilling();
          }
          return spilling;
      }
docs: /* (non-Javadoc)
  @see com.ibm.ws.sib.msgstore.ReferenceCollection#isSpilling()