Package org.mapsforge.poi.storage

Class AbstractPoiCategoryManager

java.lang.Object

org.mapsforge.poi.storage.AbstractPoiCategoryManager

All Implemented Interfaces:

PoiCategoryManager

public abstract class AbstractPoiCategoryManager
extends java.lang.Object
implements PoiCategoryManager

Abstract implementation for the PoiCategoryManager interface. This implementation provides functionality for getting categories by their ID / name.

Field Summary

Fields

Modifier and Type	Field	Description
protected java.util.Map<java.lang.Integer,PoiCategory>	categoryMap	Maps category IDs to categories.
protected PoiCategory	rootCategory	The hierarchies root category.
protected static java.lang.String	SELECT_STATEMENT

Constructor Summary

Constructors

Constructor	Description
AbstractPoiCategoryManager()

Method Summary

Modifier and Type	Method	Description
PoiCategory	getPoiCategoryByID(int id)	Returns a category given by its ID or throws an exception if this category does not exist.
PoiCategory	getPoiCategoryByTitle(java.lang.String title)	Returns a category given by unique title or throws an exception if this category does not exist.
PoiCategory	getRootCategory()	Returns the category tree's root.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

SELECT_STATEMENT

protected static final java.lang.String SELECT_STATEMENT

See Also:

Constant Field Values

rootCategory

protected PoiCategory rootCategory

The hierarchies root category.

categoryMap

protected java.util.Map<java.lang.Integer,PoiCategory> categoryMap

Maps category IDs to categories.

Constructor Detail

AbstractPoiCategoryManager

public AbstractPoiCategoryManager()

Method Detail

getPoiCategoryByID

public PoiCategory getPoiCategoryByID(int id)
                               throws UnknownPoiCategoryException

Returns a category given by its ID or throws an exception if this category does not exist.

Specified by:

getPoiCategoryByID in interface PoiCategoryManager

Parameters:

id - The category's ID.

Returns:

The category having this ID or null.

Throws:

UnknownPoiCategoryException - if the category has not been added to the PoiCategoryManager.

getPoiCategoryByTitle

public PoiCategory getPoiCategoryByTitle(java.lang.String title)
                                  throws UnknownPoiCategoryException

Returns a category given by unique title or throws an exception if this category does not exist.

Specified by:

getPoiCategoryByTitle in interface PoiCategoryManager

Parameters:

title - The category's title

Returns:

The category c with c.title.equalsIgnoreCase(title).

Throws:

UnknownPoiCategoryException - if the category has not been added to the PoiCategoryManager.

getRootCategory

public PoiCategory getRootCategory()
                            throws UnknownPoiCategoryException

Returns the category tree's root.

Specified by:

getRootCategory in interface PoiCategoryManager

Returns:

The tree's root category or null if the tree is empty.

Throws:

UnknownPoiCategoryException - if the category has not been added to the PoiCategoryManager.