code: public boolean hasNext() throws SISessionUnavailableException, SISessionDroppedException, SIIncorrectCallException
    {
      if (TraceComponent.isAnyTracingEnabled() && CoreSPILockedMessageEnumeration.tc.isEntryEnabled())
        SibTr.entry(CoreSPILockedMessageEnumeration.tc, "hasNext", this);
            
      checkValidState("hasNext");
            
      _localConsumerPoint.checkNotClosed();
      
      boolean hasNext = false;
      
      if(!_seenSingleMessage)
      {
        hasNext = true;
      }
      
      if (TraceComponent.isAnyTracingEnabled() && CoreSPILockedMessageEnumeration.tc.isEntryEnabled())
        SibTr.exit(CoreSPILockedMessageEnumeration.tc, "hasNext", new Boolean(hasNext));    
        
      return hasNext;
    }
docs: /* (non-Javadoc)
  @see com.ibm.wsspi.sib.core.LockedMessageEnumeration#hasNext()