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## com.beasys.commerce.ebusiness.catalog
Class CatalogItemIterator

    java.lang.Object
      com.beasys.commerce.ebusiness.catalog.CatalogItemIterator

All Implemented Interfaces
  ViewIterator, Serializable

Direct Known Subclasses:
  CategoryItemIterator, CategoryIterator, OrphanedItemIterator, ProductItemIterator, SearchItemIterator, SiblingIterator, SubCategoryIterator

    public abstract class CatalogItemIterator

extends Object
implements ViewIterator, Serializable

The `CatalogItemIterator` is an abstract base class that all catalog iterators must extend. This class should only be used by a single thread.

See Also
  `View`, `ViewIterator`, Serialized Form

Field Summary
`static int` | `DEFAULT_VIEW_SIZE`
`protected static boolean` | `VERBOSE`

Constructor Summary
`CatalogItemIterator(String managerJndiName, CatalogRequest catalogRequest, int numItems, int viewSize)` `CatalogItemIterator` constructor that takes the total number of spanned objects and a view size.

Method Summary
`protected abstract CatalogItem` | `getCatalogItem(View view, int itemIndex)` Returns a CatalogItem within the current view.
`protected CatalogManager` | `getCatalogManager()`
`protected CatalogQueryManager` | `getCatalogQueryManager()`
`protected CatalogRequest` | `getCatalogRequest()`
`protected CategoryManager` | `getCategoryManager()`
`View` | `getCurrentView()` Returns the current view.
`protected CustomDataManager` | `getCustomDataManager()`
`protected ProductItemManager` | `getProductItemManager()`
`View` | `getViewAt(int index)` Gets the view at the specified index.
`int` | `getViewCount()` Returns the number of views spanned by this iterator.
`void` | `gotoNextView()` Moves the iterator to the next view.
`void` | `gotoPreviousView()` Moves the iterator to the previous view.
`void` | `gotoViewAt(int index)` Moves the iterator to the view at the specified index.
`boolean` | `hasNext()` Returns `true` if the iterator has more elements.
`boolean` | `hasNextView()` Returns `true` if the iterator has a next view.
`boolean` | `hasPreviousView()` Returns `true` if the iterator has a previous view.
`Object` | `next()` Returns the next element in the iteration.
`protected abstract void` | `refreshView(View view)` This function is called whenever the current view needs to be refreshed.
`int` | `size()` Returns the number of objects over which the iterator spans.

Methods inherited from class java.lang.Object
`clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait`

Field Detail

### VERBOSE

    protected static final boolean VERBOSE

See Also
  Constants Summary

### DEFAULT_VIEW_SIZE

    public static final int DEFAULT_VIEW_SIZE

See Also
  Constants Summary

Constructor Detail

### CatalogItemIterator

    public CatalogItemIterator(String managerJndiName,
                               CatalogRequest catalogRequest,
                               int numItems,
                               int viewSize)

  `CatalogItemIterator` constructor that takes the total number of spanned objects and a view size.

Method Detail

### getCatalogManager

    protected CatalogManager getCatalogManager()
                                        throws RemoteException

  Throws
    `RemoteException`

### getProductItemManager

    protected ProductItemManager getProductItemManager()
                                                throws RemoteException

  Returns
    the ProductItemManger for the CatalogManager associated with this ViewIterator.
  Throws
    `RemoteException` - on remote error.
  See Also
    `ProductItemManager`

### getCategoryManager

    protected CategoryManager getCategoryManager()
                                          throws RemoteException

  Returns
    the CategoryManager for the CatalogManager associated with this ViewIterator.
  Throws
    `RemoteException` - on remote error.
  See Also
    `CategoryManager`

### getCatalogQueryManager

    protected CatalogQueryManager getCatalogQueryManager()
                                                  throws RemoteException

  Returns
    the CatalogQueryManager for the CatalogManager associated with this ViewIterator.
  Throws
    `RemoteException` - on remote error.
  See Also
    `CatalogQueryManager`

### getCustomDataManager

    protected CustomDataManager getCustomDataManager()
                                              throws RemoteException

  Returns
    the CustomDataManager for the CatalogManager associated with this ViewIterator.
  Throws
    `RemoteException` - on remote error.
  See Also
    `CustomDataManager`

### getCatalogRequest

    protected CatalogRequest getCatalogRequest()

  Returns
    the CatalogRequest for this ViewIterator.
  Throws
    `RemoteException` - on remote error.
  See Also
    `CatalogRequest`

### refreshView

    protected abstract void refreshView(View view)
                                 throws RemoteException

  This function is called whenever the current view needs to be refreshed. All classes that extend this class must implement this function.

  Parameters
    `view` - The view to refresh.
  Throws
    `RemoteException` - on remote error.

### getCatalogItem

    protected abstract CatalogItem getCatalogItem(View view,
                                                  int itemIndex)
                                           throws NoSuchElementException

  Returns a CatalogItem within the current view. All classes that extend this class must implement this function.

  Parameters
    `view` - The current view.
    `itemIndex` - The index of the item to retrieve.
  Throws
    `NoSuchElementException` - If the item does not exist.

### size

    public final int size()

  Returns the number of objects over which the iterator spans. This number is guaranteed to only be accurate at the time of iterator creation.

  Specified by:
    `size` in interface `ViewIterator`
  Returns
    The number of spanned objects.

### hasNext

    public final boolean hasNext()

  Returns `true` if the iterator has more elements.

  Specified by:
    `hasNext` in interface `ViewIterator`
  Returns
    `true` if the iterator has more elements.

### next

    public Object next()
                throws NoSuchElementException,
                       RemoteException

  Returns the next element in the iteration.

  Specified by:
    `next` in interface `ViewIterator`
  Returns
    the next element in the iteration.
  Throws
    `RemoteException` - on remote error.
    `NoSuchElementException` - if the iteration has no more elements.

### getViewCount

    public final int getViewCount()

  Returns the number of views spanned by this iterator.

  Specified by:
    `getViewCount` in interface `ViewIterator`
  Returns
    the number of views spanned by this iterator.

### getCurrentView

    public final View getCurrentView()

  Returns the current view.

  Specified by:
    `getCurrentView` in interface `ViewIterator`
  Returns
    The current view.

### getViewAt

    public final View getViewAt(int index)
                         throws IndexOutOfBoundsException

  Gets the view at the specified index.

  Specified by:
    `getViewAt` in interface `ViewIterator`
  Parameters
    `index` - The index of the desired view.
  Returns
    The view at the specified index.
  Throws
    `IndexOutOfBoundsException` - if the index is invalid.

### hasNextView

    public final boolean hasNextView()

  Returns `true` if the iterator has a next view.

  Specified by:
    `hasNextView` in interface `ViewIterator`
  Returns
    `true` if the iterator has a next view.

### hasPreviousView

    public final boolean hasPreviousView()

  Returns `true` if the iterator has a previous view.

  Specified by:
    `hasPreviousView` in interface `ViewIterator`
  Returns
    `true` if the iterator has a previous view.

### gotoNextView

    public final void gotoNextView()
                            throws NoSuchViewException

  Moves the iterator to the next view.

  Specified by:
    `gotoNextView` in interface `ViewIterator`
  Throws
    `NoSuchViewException` - if the iterator does not have a next view.

### gotoPreviousView

    public final void gotoPreviousView()
                                throws NoSuchViewException

  Moves the iterator to the previous view.

  Specified by:
    `gotoPreviousView` in interface `ViewIterator`
  Throws
    `NoSuchViewException` - if the iterator does not have a previous view.

### gotoViewAt

    public final void gotoViewAt(int index)
                          throws NoSuchViewException

  Moves the iterator to the view at the specified index.

  Specified by:
    `gotoViewAt` in interface `ViewIterator`
  Parameters
    `index` - The index of the desired view.
  Throws
    `NoSuchViewException` - if the index is invalid.

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Copyright © 2006 BEA Systems, Inc. All Rights Reserved