Important Commands & DataBeans present in Catalog Subsystem

Commands--
StoreCatalogDisplayCmdImpl-
This command sets the view task that will display the Catalogs available to browse in the current Store.

TopCategoriesDisplayImpl-
This command sets the view task that will display the root Categories in a specified Catalog.

CategoryDisplayCmdImpl-
retrieves the configured display page for the specified category in the specified catalog.

ErrorMissingAttributeCmd-
This error task command is set when a Product to Item resolution fails due to missing product attributes.

ErrorProductAttributeCmd-
This error task command is set when a Product to Item resolution fails due to incorrect product attributes

ProductDisplayCmdImpl-
This command retrieves the configured Display Page for the specified CatalogEntry which will in turn be launched in order to
display information about the CatalogEntry.This command first ensures that the CatalogEntry specified by the
ProductId can be displayed in the current store, if published, and is not marked for delete.

ResolveSkuCmd-Certain catalog entries may need further processing before being added to an order.
An example is resolving a product into an item through SKU resolution, performed by the ResolveSkuCmd task command.


DataBeans--
StoreDataBean--extends StoreAccessBean ->salesCatalogs()
CatalogDataBean-extends CachedCatalogAccessBean ->getTopCategories()
CategoryDataBean-extends CachedCatalogAccessBean ->getSubCategories()
CatalogEntryDataBean-extends CachedCatalogEntryAccessBean
ProductDataBean-extends CachedProductAccessBean