Package org.verapdf.core

Class MapBackedRegistry<K,V>

java.lang.Object

org.verapdf.core.MapBackedDirectory<K,V>

org.verapdf.core.MapBackedRegistry<K,V>

Type Parameters:

K - A key or lookup type

V - A value type

All Implemented Interfaces:

Directory<K,V>, Registry<K,V>

public class MapBackedRegistry<K,V>
extends MapBackedDirectory<K,V>
implements Registry<K,V>

A Map backed Registry implementation.

Author:

Carl Wilson

Field Summary

Fields inherited from class org.verapdf.core.MapBackedDirectory

map

Constructor Summary

Constructors

Constructor	Description
MapBackedRegistry()	Creates an empty registry instance, initialised with an empty map
MapBackedRegistry(Map<K,V> map)	Creates a registry instance initialise using the passed map

Method Summary

Modifier and Type	Method	Description
V	putdateItem(K key, V value)	{ @inheritDoc }
void	putdateItems(Map<K,V> itemMap)	{ @inheritDoc }
V	registerItem(K key, V value)	{ @inheritDoc }
void	registerItems(Map<K,V> itemMap)	{ @inheritDoc }
V	removeItem(K key)	{ @inheritDoc }
void	removeItems(Set<K> keys)	{ @inheritDoc }
V	updateItem(K key, V value)	{ @inheritDoc }
void	updateItems(Map<K,V> itemMap)	{ @inheritDoc }

Methods inherited from class org.verapdf.core.MapBackedDirectory

equals, getItem, getItems, getKeys, hashCode, isEmpty, size

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.verapdf.core.Directory

getItem, getItems, getKeys, isEmpty, size

Constructor Detail

MapBackedRegistry

public MapBackedRegistry()

Creates an empty registry instance, initialised with an empty map

MapBackedRegistry

public MapBackedRegistry(Map<K,V> map)

Creates a registry instance initialise using the passed map

Parameters:

map - a Map instance used to initialise the registry.

Method Detail

registerItem

public V registerItem(K key,
                      V value)

{ @inheritDoc }

Specified by:

registerItem in interface Registry<K,V>

Parameters:

key - the lookup key for the value to add

value - the value to add

Returns:

the added value

registerItems

public void registerItems(Map<K,V> itemMap)

{ @inheritDoc }

Specified by:

registerItems in interface Registry<K,V>

removeItem

public V removeItem(K key)

{ @inheritDoc }

Specified by:

removeItem in interface Registry<K,V>

Parameters:

key - the lookup key for the value to unregister.

Returns:

the removed value or null if no value was associated with the key

removeItems

public void removeItems(Set<K> keys)

{ @inheritDoc }

Specified by:

removeItems in interface Registry<K,V>

Parameters:

keys - the Set of lookup keys to remove.

putdateItem

public V putdateItem(K key,
                     V value)

{ @inheritDoc }

Specified by:

putdateItem in interface Registry<K,V>

Parameters:

key - the lookup key of the value to putdate.

value - the value to be used for the putdate.

Returns:

the old value of the item

putdateItems

public void putdateItems(Map<K,V> itemMap)

{ @inheritDoc }

Specified by:

putdateItems in interface Registry<K,V>

Parameters:

itemMap - a Map of keys & values to add.

updateItem

public V updateItem(K key,
                    V value)

{ @inheritDoc }

Specified by:

updateItem in interface Registry<K,V>

Parameters:

key - the lookup key of the value to update

value - the value used in the update

Returns:

the old value of the item

updateItems

public void updateItems(Map<K,V> itemMap)

{ @inheritDoc }

Specified by:

updateItems in interface Registry<K,V>