com.antelmann.db
Interface Category<T>

Type Parameters:

T - denotes the type of the context object required to obtain sub-categories (the context would typically be a database, url, file, connection or alike)

All Known Subinterfaces:

MutableCategory<T>

All Known Implementing Classes:

Category.Adapter, Category.Entry, GeoLocation, MutableCategory.Adapter, MutableCategory.Entry

public interface Category<T>

represents a category that may be associated with any kind of entry and supports cascading sub-categories

Since:

07.11.2008, 14:51:42

Author:

Holger Antelmann

See Also:

Categorized, CategoryNode, JCategoryField, MutableCategory

Nested Class Summary

static class	Category.Adapter<T>
static class	Category.Entry

Method Summary

String	getCategoryName() returns the name for this category
Category<T>	getParentCategory() returns the super category that this category belongs to - or null if it is a top-level category
List<? extends Category<T>>	getSubCategories(T context) retrieves a list of sub-categories for this category

Method Detail

getCategoryName

String getCategoryName()

returns the name for this category

getParentCategory

Category<T> getParentCategory()

returns the super category that this category belongs to - or null if it is a top-level category

getSubCategories

List<? extends Category<T>> getSubCategories(T context)
                                             throws IOException

retrieves a list of sub-categories for this category

Parameters:

context - the object (typically a database, a file, a URL, etc.) that provides the information required to derive the children from.

Returns:

a list of Category objects that have this instance as a parent

Throws:

IOException - if the categories could not be retrieved