printDebug(2,"end addDueIns(), number of refillTasks is "+total);
if (logger.isDebugEnabled()) { logger.debug("end addDueIns(), number of refillTasks is " + total); }
  private void addPreviousRefills() {    printDebug("      : addPreviousRefills()");    int total=0;    Iterator inventories = changedSet_.iterator();    Inventory inv;    InventoryPG invpg;    while (inventories.hasNext()) {      inv = (Inventory)inventories.next();      invpg = (InventoryPG)inv.getInventoryPG();      // maintainInventory Task is the parent of all the refills for this inventory      Task maintainInventory = inventoryPlugin_.findOrMakeMILTask(inv);      // should never be null but may want to add a check AHF      total += invpg.addPreviousRefillsToInventory(maintainInventory);      invpg.determineInventoryLevels();      //  	    invpg.printInventoryLevels(inv, clusterId_);    }    printDebug(2,"end addDueIns(), number of refillTasks is "+total);  }