Package org.verapdf.core

Class MapBackedDirectory<K,V>

java.lang.Object

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

Type Parameters:

K - A key or lookup type

V - A value type

All Implemented Interfaces:

Directory<K,V>

Direct Known Subclasses:

MapBackedRegistry

public class MapBackedDirectory<K,V>
extends Object
implements Directory<K,V>

A Map backed Directory implementation.

Author:

Carl Wilson

Field Summary

Fields

Modifier and Type	Field	Description
protected Map<K,V>	map

Constructor Summary

Constructors

Constructor	Description
MapBackedDirectory()	Creates an empty directory backed by an empty Map
MapBackedDirectory(Map<K,V> map)

Method Summary

Modifier and Type	Method	Description
boolean	equals(Object obj)	{ @inheritDoc }
V	getItem(K key)	{ @inheritDoc }
List<V>	getItems()	{ @inheritDoc }
Set<K>	getKeys()	{ @inheritDoc }
int	hashCode()	{ @inheritDoc }
boolean	isEmpty()	{ @inheritDoc }
int	size()	{ @inheritDoc }

Methods inherited from class java.lang.Object

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

Field Detail

map

protected final Map<K,V> map

Constructor Detail

MapBackedDirectory

public MapBackedDirectory()

Creates an empty directory backed by an empty Map

MapBackedDirectory

public MapBackedDirectory(Map<K,V> map)

Parameters:

map -

Method Detail

getItem

public V getItem(K key)

{ @inheritDoc }

Specified by:

getItem in interface Directory<K,V>

Parameters:

key - the key used to lookup a particular item

Returns:

the value instance associated with the key

getItems

public List<V> getItems()

{ @inheritDoc }

Specified by:

getItems in interface Directory<K,V>

Returns:

the Collection of values contained in the directory

getKeys

public Set<K> getKeys()

{ @inheritDoc }

Specified by:

getKeys in interface Directory<K,V>

Returns:

the Set of keys contained in the directory

size

public int size()

{ @inheritDoc }

Specified by:

size in interface Directory<K,V>

Returns:

the number of items held in the directory

isEmpty

public boolean isEmpty()

{ @inheritDoc }

Specified by:

isEmpty in interface Directory<K,V>

Returns:

true if the directory contains no items, false if not.

hashCode

public int hashCode()

{ @inheritDoc }

Overrides:

hashCode in class Object

equals

public boolean equals(Object obj)

{ @inheritDoc }

Overrides:

equals in class Object